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Winter Storm Warning


URGENT - WINTER WEATHER MESSAGE
National Weather Service Bismarck ND
127 PM CDT Tue Apr 1 2025

NDZ037-047-048-050-051-020230-
/O.CON.KBIS.WS.W.0002.000000T0000Z-250403T0000Z/
Stutsman-Logan-La Moure-McIntosh-Dickey-
Including the cities of Lamoure, Ashley, Oakes, Kulm, Edgeley,
Wishek, Ellendale, Napoleon, Gackle, and Jamestown
127 PM CDT Tue Apr 1 2025

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM CDT WEDNESDAY...

* WHAT...Heavy snow expected. Total snow accumulations between 5 and
  11 inches. Winds gusting as high as 40 mph.

* WHERE...Dickey, LaMoure, Logan, McIntosh, and Stutsman Counties.

* WHEN...Until 7 PM CDT Wednesday.

* IMPACTS...Travel could be very difficult. Areas of blowing snow
  could significantly reduce visibility. The hazardous conditions
  could impact the morning and evening commutes today and Wednesday.

* ADDITIONAL DETAILS...There is a low chance for freezing rain
  tonight through Wednesday, which could lead to a glaze of ice.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. The latest road conditions can
be obtained by calling 5 1 1.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Aberdeen SD
1047 AM CDT Tue Apr 1 2025

SDZ005-007-008-011-021-020200-
/O.CON.KABR.WS.W.0002.000000T0000Z-250403T0000Z/
McPherson-Marshall-Roberts-Day-Grant-
Including the cities of Sisseton, Britton, Eureka, Milbank, and
Webster
1047 AM CDT Tue Apr 1 2025

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM CDT WEDNESDAY...

* WHAT...Heavy mixed precipitation. Additional snow accumulations
  between 2 and 7 inches. Ice accumulations around three tenths of
  an inch, with the lower ice amounts over western Marshall and Day
  Counties. Winds gusting as high as 40 mph, highest during the day
  today.

* WHERE...McPherson, Day, Grant, Marshall, and Roberts Counties.

* WHEN...Until 7 PM CDT Wednesday.

* IMPACTS...Roads, and especially bridges and overpasses, will
  likely become slick and hazardous. Power outages and tree damage
  are likely due to the ice. Travel could be nearly impossible.
  Areas of blowing snow could significantly reduce visibility. The
  hazardous conditions could impact the Tuesday evening and
  Wednesday morning commutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. The latest road conditions can
be obtained by calling 5 1 1.

Persons should consider delaying all travel. Motorists should use
extreme caution if travel is absolutely necessary.

&&

$$


Winter Weather Advisory


URGENT - WINTER WEATHER MESSAGE
National Weather Service Aberdeen SD
Issued by National Weather Service Goodland KS
416 PM CDT Tue Apr 1 2025

SDZ010-017>019-022-021215-
/O.CON.KABR.WW.Y.0007.000000T0000Z-250403T0000Z/
Edmunds-Faulk-Spink-Clark-Hamlin-
Including the cities of Hayti, Redfield, Ipswich, Clark, and
Faulkton
416 PM CDT Tue Apr 1 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT
WEDNESDAY...

* WHAT...Mixed precipitation expected. Total snow accumulations of 1
  to 4 inches and ice accumulations up to one tenth of an inch.
  Winds gusting as high as 35 mph.

* WHERE...Edmunds, Faulk, Clark, Hamlin, and Spink Counties.

* WHEN...Until 7 PM CDT Wednesday.

* IMPACTS...Plan on slippery road conditions. Patchy blowing snow in
  falling snow could significantly reduce visibility. The hazardous
  conditions could impact the Tuesday morning through Wednesday
  morning commutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road
conditions can be obtained by calling 5 1 1.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
250 PM MDT Tue Apr 1 2025

MTZ138-WYZ199-022100-
/O.CON.KBYZ.WW.Y.0023.250402T0000Z-250402T2100Z/
Southern Big Horn-Sheridan Foothills-
Including the locations of Sheridan, Ranchester, Big Horn,
Clearmont, Lodge Grass, Pryor, Wyola, and Dayton
250 PM MDT Tue Apr 1 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 3 PM MDT WEDNESDAY...

* WHAT...Snow expected. Total snow accumulations between 1 and 4
  inches, greatest near the mountains. Winds gusting as high as 35
  mph.

* WHERE...In Montana, Southern Big Horn. In Wyoming, Sheridan
  Foothills.

* WHEN...From 6 PM this evening to 3 PM MDT Wednesday.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions could impact the commutes this evening and Wednesday
  morning.

* ADDITIONAL DETAILS...The greatest snow accumulations will occur on
  grassy surfaces.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. For the latest road
conditions, call 5 1 1.

&&

$$

Additional graphics for this hazard can be found at
http://www.weather.gov/billings

Arends

URGENT - WINTER WEATHER MESSAGE
National Weather Service Rapid City SD
103 PM MDT Tue Apr 1 2025

SDZ024-021015-
/O.CON.KUNR.WW.Y.0013.250402T0000Z-250402T2100Z/
Northern Black Hills-
Including the cities of Mystic, Deadwood, Galena, Lead,
Deerfield, Nemo, Cheyenne Crossing, Brownsville, Terry Peak,
Rochford, and Silver City
103 PM MDT Tue Apr 1 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 3 PM MDT WEDNESDAY...

* WHAT...Snow expected. Total snow accumulations between 3 and 6
  inches, highest amounts generally across the higher elevations
  from near Lead to Terry Peak and Cheyenne Crossing.

* WHERE...Northern Black Hills.

* WHEN...From 6 PM this evening to 3 PM MDT Wednesday.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions could impact the Wednesday morning commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Rapid City SD
103 PM MDT Tue Apr 1 2025

SDZ025-WYZ057-021015-
/O.CON.KUNR.WW.Y.0013.250402T0300Z-250402T1800Z/
Northern Foothills-Wyoming Black Hills-
Including the cities of Sundance, Whitewood, Saint Onge,
Spearfish, and Four Corners
103 PM MDT Tue Apr 1 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING
TO NOON MDT WEDNESDAY...

* WHAT...Snow expected. Total snow accumulations between 2 and 4
  inches, with higher amounts possible across the higher elevations
  of the Wyoming Black Hills and northern Foothills. Winds gusting
  as high as 35 mph.

* WHERE...In South Dakota, Northern Foothills. In Wyoming, Wyoming
  Black Hills.

* WHEN...From 9 PM this evening to noon MDT Wednesday.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions could impact the Wednesday morning commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.

&&

$$

JC

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
100 PM MDT Tue Apr 1 2025

WYZ010-020000-
/O.EXB.KRIW.WW.Y.0020.250402T0500Z-250403T0000Z/
Northeast Johnson County-
Including the cities of Buffalo
100 PM MDT Tue Apr 1 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 6 PM
MDT WEDNESDAY...

* WHAT...Snow expected with gusty winds between 25-35 mph. 2-3
  inches are forecast along the I-90 corridor from Buffalo to the
  Sheridan County line. Elsewhere can expect 1-2 inches.

* WHERE...Northeast Johnson County.

* WHEN...From 11 PM this evening to 6 PM MDT Wednesday.

* IMPACTS...Travel could be difficult with gusty winds and periods
  of heavy snow. This could impact the Wednesday morning and evening
  commutes along I-90.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

For graphical depictions of the snowfall forecast, including the
official NWS forecast, high end amounts, and low end amounts, visit
https://weather.gov/riw/winter .

For winter road conditions from the Wyoming Department of
Transportation, visit https://wyoroad.info .

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Bismarck ND
127 PM CDT Tue Apr 1 2025

NDZ019>023-025-034>036-042-045-046-020230-
/O.CON.KBIS.WW.Y.0008.000000T0000Z-250403T0000Z/
Mercer-Oliver-McLean-Sheridan-Wells-Foster-Morton-Burleigh-Kidder-
Grant-Sioux-Emmons-
Including the cities of Washburn, Linton, Beulah, Mandan, Steele,
Fort Yates, Goodrich, Center, Turtle Lake, Harvey, Strasburg,
Solen, Carrington, Fessenden, New Leipzig, Carson, Tappen,
Selfridge, Underwood, Elgin, Hazen, Mcclusky, Garrison, Bismarck,
and Wilton
127 PM CDT Tue Apr 1 2025 /1227 PM MDT Tue Apr 1 2025/

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT /6 PM
MDT/ WEDNESDAY...

* WHAT...Snow expected. Total snow accumulations between 3 and 6
  inches. Winds gusting as high as 40 mph.

* WHERE...Portions of south central and southeast North Dakota.

* WHEN...Until 7 PM CDT /6 PM MDT/ Wednesday.

* IMPACTS...Plan on slippery road conditions. Areas of blowing snow
  could significantly reduce visibility. The hazardous conditions
  could impact the morning and evening commutes today and Wednesday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road
conditions can be obtained by calling 5 1 1.

&&

$$

Heinert

URGENT - WINTER WEATHER MESSAGE
National Weather Service Aberdeen SD
1047 AM CDT Tue Apr 1 2025

SDZ009-016-020200-
/O.EXB.KABR.WW.Y.0007.250402T0000Z-250402T1800Z/
Walworth-Potter-
Including the cities of Gettysburg and Mobridge
1047 AM CDT Tue Apr 1 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 1 PM
CDT WEDNESDAY...

* WHAT...Mixed precipitation expected. Total snow accumulations up
  to two inches. Ice accumulations around one tenth of an inch
  tonight into Wednesday morning.

* WHERE...Potter and Walworth Counties.

* WHEN...From 7 PM this evening to 1 PM CDT Wednesday.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions could impact the Wednesday morning commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road
conditions can be obtained by calling 5 1 1.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Aberdeen SD
1047 AM CDT Tue Apr 1 2025

SDZ010-017-020200-
/O.CAN.KABR.WW.Y.0007.000000T0000Z-250403T0000Z/
/O.NEW.KABR.WW.Y.0008.250402T0000Z-250402T1800Z/
Edmunds-Faulk-
Including the cities of Faulkton and Ipswich
1047 AM CDT Tue Apr 1 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 1 PM
CDT WEDNESDAY...

* WHAT...Mixed precipitation expected. Total snow accumulations up
  to two inches and ice accumulations up to one tenth of an inch.
  The higher snow amounts will be over Edmunds County.

* WHERE...Edmunds and Faulk Counties.

* WHEN...From 7 PM this evening to 1 PM CDT Wednesday.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions could impact the Wednesday morning commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road
conditions can be obtained by calling 5 1 1.

&&

$$


Winter Storm Watch


URGENT - WINTER WEATHER MESSAGE
National Weather Service Aberdeen SD
Issued by National Weather Service Goodland KS
416 PM CDT Tue Apr 1 2025

SDZ005>008-011-020-021-023-021215-
/O.CON.KABR.WS.A.0003.000000T0000Z-250403T0000Z/
McPherson-Brown-Marshall-Roberts-Day-Codington-Grant-Deuel-
Including the cities of Milbank, Eureka, Sisseton, Aberdeen,
Britton, Clear Lake, Webster, and Watertown
416 PM CDT Tue Apr 1 2025

...WINTER STORM WATCH REMAINS IN EFFECT THROUGH WEDNESDAY EVENING...

* WHAT...Heavy mixed precipitation possible. Total snow
  accumulations around 6 inches or more and ice accumulations around
  one tenth of an inch possible. Winds gusting as high as 35 mph
  Tuesday and again during the day Wednesday.

* WHERE...Portions of north central and northeast South Dakota.

* WHEN...Through Wednesday evening.

* IMPACTS...Travel could be very difficult. Areas of blowing snow in
  falling snow could significantly reduce visibility. The hazardous
  conditions could impact the Tuesday morning through Wednesday
  morning commutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation.

&&

$$

KMK


Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service North Platte NE
405 PM CDT Tue Apr 1 2025

NEZ004>010-022>029-035>038-056>059-069>071-094-022115-
Sheridan-Eastern Cherry-Keya Paha-Boyd-Brown-Rock-Holt-Garden-Grant-
Hooker-Thomas-Blaine-Loup-Garfield-Wheeler-Arthur-McPherson-Logan-
Custer-Deuel-Keith-Perkins-Lincoln-Chase-Hayes-Frontier-
Western Cherry-
405 PM CDT Tue Apr 1 2025 /305 PM MDT Tue Apr 1 2025/

This Hazardous Weather Outlook is for portions of western and north
central Nebraska.

.DAY ONE...Tonight.

There is a Marginal risk of severe thunderstorms this afternoon and
evening with the greatest threat along and east of US-83. Large hail
and damaging winds will be the greatest concern.

Tonight into early Wednesday there is a potential for light snowfall
across the northwest Sandhills. Generally an inch or less is
expected, however there could be localized areas near Pine Ridge
that could see snowfall amounts up to 2 inches.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Hazardous weather is not expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

Hazardous Weather Outlook
National Weather Service Bismarck ND
307 PM CDT Tue Apr 1 2025

NDZ019>023-025-034>036-042-045-046-022015-
Mercer-Oliver-McLean-Sheridan-Wells-Foster-Morton-Burleigh-Kidder-
Grant-Sioux-Emmons-
307 PM CDT Tue Apr 1 2025 /207 PM MDT Tue Apr 1 2025/

This Hazardous Weather Outlook is for portions of south central
North Dakota and southeast North Dakota.

.DAY ONE...This Afternoon and Tonight

A Winter Weather Advisory is in effect through early Wednesday
evening. See weather.gov/bis for details.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

A Winter Weather Advisory is in effect through early Wednesday
evening. See weather.gov/bis for details.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

Hazardous Weather Outlook
National Weather Service Bismarck ND
307 PM CDT Tue Apr 1 2025

NDZ001>005-009>013-017-018-031>033-040-041-043-044-022015-
Divide-Burke-Renville-Bottineau-Rolette-Williams-Mountrail-Ward-
McHenry-Pierce-McKenzie-Dunn-Golden Valley-Billings-Stark-Slope-
Hettinger-Bowman-Adams-
307 PM CDT Tue Apr 1 2025 /207 PM MDT Tue Apr 1 2025/

This Hazardous Weather Outlook is for portions of north central
North Dakota, northwest North Dakota, and southwest North Dakota.

.DAY ONE...This Afternoon and Tonight

Periods of snow could impact travel today through Wednesday.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Periods of snow could impact travel today through Wednesday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

Hazardous Weather Outlook
National Weather Service Bismarck ND
307 PM CDT Tue Apr 1 2025

NDZ037-047-048-050-051-022015-
Stutsman-Logan-La Moure-McIntosh-Dickey-
307 PM CDT Tue Apr 1 2025

This Hazardous Weather Outlook is for portions of southeast North
Dakota.

.DAY ONE...This Afternoon and Tonight

A Winter Storm Warning is in effect through early Wednesday
evening. See weather.gov/bis for details.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

A Winter Storm Warning is in effect through early Wednesday
evening. See weather.gov/bis for details.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

Hazardous Weather Outlook
National Weather Service Aberdeen SD
159 PM CDT Tue Apr 1 2025

SDZ003-004-015-033>037-045-048-051-021900-
Corson-Campbell-Dewey-Stanley-Sully-Hughes-Hyde-Hand-Jones-Lyman-
Buffalo-
159 PM CDT Tue Apr 1 2025 /1259 PM MDT Tue Apr 1 2025/

This Hazardous Weather Outlook is for central South Dakota and
north central South Dakota.

.DAY ONE...This afternoon and tonight.

Light rain and light snow will remain possible through tonight. Most
locations will receive around an inch or less of new snow, with
localized higher amounts near 2 inches over Corson County.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

06

Hazardous Weather Outlook
National Weather Service Aberdeen SD
159 PM CDT Tue Apr 1 2025

MNZ039-046-SDZ005>008-011-020-021-023-021900-
Traverse-Big Stone-McPherson-Brown-Marshall-Roberts-Day-Codington-
Grant-Deuel-
159 PM CDT Tue Apr 1 2025

This Hazardous Weather Outlook is for west central Minnesota, north
central South Dakota and northeast South Dakota.

.DAY ONE...This afternoon and tonight.

A wintry mix of rain and snow will continue. Additional accumulating
snow will be most likely over the Leola Hills and eastern South
Dakota, particularly across the higher elevations. Icing from
freezing rain may accumulate to 0.1 to 0.3 inches, over portions of
central to eastern South Dakota, with the highest potential over the
higher elevations and eastern slopes of the Prairie Coteau. Winter
Storm Warnings remain in effect.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Rain and snow will continue through much of the day Wednesday. The
threat of icing will end Wednesday morning as temperatures warm above
freezing. Winter Storm Warnings remain in effect for the daytime
hours Wednesday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

Hazardous Weather Outlook
National Weather Service Aberdeen SD
159 PM CDT Tue Apr 1 2025

SDZ009-010-016>019-022-021900-
Walworth-Edmunds-Potter-Faulk-Spink-Clark-Hamlin-
159 PM CDT Tue Apr 1 2025

This Hazardous Weather Outlook is for north central South Dakota
and northeast South Dakota.

.DAY ONE...This afternoon and tonight.

A wintry mix of rain and snow will continue. Icing from freezing
rain may accumulate from a light glaze to 0.2 inches. Light snow
amounts of around an inch or less is expected, highest over Walworth
and Edmunds Counties. A Winter Weather Advisory is in effect.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Snow will be diminishing during the daytime hours Wednesday. Light
icing may linger through mid morning, with a light glaze possible
where temperatures remain below freezing.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

Hazardous Weather Outlook
National Weather Service Sioux Falls SD
158 PM CDT Tue Apr 1 2025

IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ038>040-050-052>071-021900-
Lyon-Osceola-Dickinson-Sioux-O`Brien-Clay-Plymouth-Cherokee-
Buena Vista-Woodbury-Ida-Lincoln-Murray-Cottonwood-Nobles-Jackson-
Pipestone-Rock-Dixon-Dakota-Beadle-Kingsbury-Brookings-Gregory-
Jerauld-Sanborn-Miner-Lake-Moody-Brule-Aurora-Davison-Hanson-McCook-
Minnehaha-Charles Mix-Douglas-Hutchinson-Turner-Bon Homme-Yankton-
Union-
158 PM CDT Tue Apr 1 2025

This Hazardous Weather Outlook is for northwest Iowa, west central
Iowa, southwest Minnesota, northeast Nebraska, central South
Dakota, east central South Dakota, south central South Dakota and
southeast South Dakota.

.DAY ONE...This afternoon and tonight.

Rain and snow continue this afternoon, mostly east of the James River
Valley.

Late this afternoon into the evening a few strong thunderstorms
could develop with nickel sized hail the main threat. The better
chance will be south of a Yankton to Spencer Iowa line.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Light rain showers will gradually transition to rain/snow mix to all
snow through the day Wednesday. An additional inch of snow is
possible for areas north of I-90. With areas along and north of
Highway 14 possibly seeing an additional two inches.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

Hazardous Weather Outlook
National Weather Service Rapid City SD
1029 AM MDT Tue Apr 1 2025

SDZ001-002-012>014-026>032-041>044-046-047-049-072>078-WYZ054>056-
058>060-021300-
Harding-Northern Perkins-Butte-Northern Meade Co Plains-Ziebach-
Rapid City-Southern Foothills-Central Black Hills-
Southern Black Hills-Custer Co Plains-Pennington Co Plains-Haakon-
Western Fall River-Northern Oglala Lakota-Northern Jackson-
Bennett-Mellette-Todd-Tripp-Sturgis/Piedmont Foothills-
Southern Meade Co Plains-Hermosa Foothills-Eastern Fall River-
Southern Oglala Lakota-Southern Jackson-Southern Perkins-
Northern Campbell-Southern Campbell-Western Crook-
Weston County Plains-Newcastle-Northeastern Crook-
1029 AM MDT Tue Apr 1 2025 /1129 AM CDT Tue Apr 1 2025/

This Hazardous Weather Outlook is for portions of western South
Dakota and northeastern Wyoming.

.DAY ONE...Today and Tonight

A strong weather systems will bring some light accumulating
snowfall to the northeast Wyoming plains, and the western South
Dakota plains, tonight into Wednesday morning. Up to 2 inches of
accumulation will be possible, mainly across northeast Wyoming and
northwestern South Dakota.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

The strong storm system will affect the area through early
Wednesday afternoon, before shifting east Wednesday evening.
Another weaker system will move through the area Friday afternoon
and evening, bringing light rain and snow to the area. Little
snow accumulation is expected across the plains with this system.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today.

&&

Stay tuned to NOAA weather radio for further updates...or check
our web site at weather.gov/rapidcity

$$

Hazardous Weather Outlook
National Weather Service Rapid City SD
1029 AM MDT Tue Apr 1 2025

SDZ024-025-WYZ057-021300-
Northern Black Hills-Northern Foothills-Wyoming Black Hills-
1029 AM MDT Tue Apr 1 2025

This Hazardous Weather Outlook is for portions of northwestern
South Dakota...the Black Hills of South Dakota...and the Black
Hills of Wyoming.

.DAY ONE...Today and Tonight

A strong weather systems will bring accumulating snowfall to the
Bear Lodge Mountains and northern Black Hills, including the
northern foothills, tonight into Wednesday morning. Several inches
of accumulation will be possible, with 6 inches or more possible
across the higher elevations of the northern Black Hills.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

The strong storm system will affect the northern Black Hills area
through early Wednesday afternoon, before shifting east Wednesday
evening. Another weaker system will move through the area Friday
afternoon and evening, bringing light rain and snow to the area.
A few inches of additional snowfall will be possible with this
system.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today.

&&

Stay tuned to NOAA weather radio for further updates...or check
our web site at weather.gov/rapidcity

$$

Hazardous Weather Outlook
National Weather Service Cheyenne WY
509 AM MDT Tue Apr 1 2025

NEZ002-003-019>021-054-055-095-096-WYZ101>119-021115-
Dawes County-Box Butte County-Scotts Bluff County-Banner County-
Morrill County-Kimball County-Cheyenne County-
Northern Sioux County-Southern Sioux County-
Converse County Lower Elevations-Niobrara County-
North Laramie Range-Ferris/Seminoe/Shirley Mountains-
Shirley Basin-Central Laramie Range and Southwest Platte County-
East Platte County-Goshen County-Central Carbon County-
North Snowy Range Foothills-Southwest Carbon County-
Sierra Madre Range-Upper North Platte River Basin-Snowy Range-
Laramie Valley-South Laramie Range-South Laramie Range Foothills-
Central Laramie County-East Laramie County-
509 AM MDT Tue Apr 1 2025

This hazardous weather outlook is for portions of panhandle
Nebraska...east central Wyoming...south central Wyoming and
southeast Wyoming.

.DAY ONE...TODAY AND TONIGHT

- Scattered rain and snow showers expected across the area
  today. Cannot rule out a thunderstorm or two. Moisture
  wrapping back into the area may produce slushy snow
  accumulations along the US-20 corridor Tuesday evening through
  Wednesday morning.

- Strong to locally high winds return to the area Tuesday and
  Wednesday.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

- Cold end to the week and start to the weekend, with a warming
  trend expected to start next week.

.Spotter information statement...

Spotters are encourage to report snowfall amounts to the NWS.

$$

Hazardous Weather Outlook
National Weather Service Riverton WY
144 AM MDT Tue Apr 1 2025

WYZ001>020-022>030-021145-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Bighorn Basin-Southwest Bighorn Basin-Southeast Bighorn Basin-
Owl Creek and Bridger Mountains-Bighorn Mountains West-
Bighorn Mountains Southeast-Northeast Johnson County-
Southeast Johnson County-Teton and Gros Ventre Mountains-
Jackson Hole-Wind River Mountains West-Wind River Mountains East-
Upper Wind River Basin-Wind River Basin-Lander Foothills-
Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Casper Mountain-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Upper Green River Basin-South Lincoln County-
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
144 AM MDT Tue Apr 1 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...
...WINTER WEATHER ADVISORY IN EFFECT FROM NOON TODAY TO 6 PM MDT
WEDNESDAY...

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and Tonight.

Snow continues across western mountains shifting to the Bighorns in
the afternoon.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Snow lingers across the Bighorns Wednesday diminishing into Thursday
and Friday. Dry and warming trend Sunday onward.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE