Flood Warning
Flood Warning
National Weather Service Aberdeen SD
139 PM CDT Sun Aug 17 2025
SDC091-181830-
/O.NEW.KABR.FA.W.0034.250817T1839Z-250818T1830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Marshall SD-
139 PM CDT Sun Aug 17 2025
...FLOOD WARNING IN EFFECT UNTIL 130 PM CDT MONDAY...
* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...A portion of northeast South Dakota, including the
following county, Marshall.
* WHEN...Until 130 PM CDT Monday.
* IMPACTS...Flooding of rivers, creeks, streams, and other low-lying
and flood-prone locations is imminent or occurring. Streams
continue to rise due to excess runoff from earlier rainfall.
Low-water crossings are inundated with water and may not be
passable.
* ADDITIONAL DETAILS...
- At 136 PM CDT, emergency management reported several roadways
with water running over them due to recent heavy rainfall.
- Some locations that will experience flooding include...
Britton, Langford, Sunset Colony, Newport Colony and Amherst.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 4559 9763 4559 9773 4559 9781 4559 9791
4559 9793 4559 9796 4559 9798 4582 9798
4583 9798 4583 9755 4559 9755
$$
SD
Flood Statement
National Weather Service Aberdeen SD
1229 AM CDT Sun Aug 17 2025
...The Flood Warning continues for the following rivers in South
Dakota...
James River At Columbia affecting Brown County.
.For sites with a river forecast, the forecast includes
precipitation through the next 24 hours. Any future precipitation
could affect the forecasts.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Caution is urged when walking near riverbanks.
Additional information is available at www.weather.gov/abr.
The next statement will be issued by Monday morning at 830 AM CDT.
&&
SDC013-181330-
/O.CON.KABR.FL.W.0026.000000T0000Z-000000T0000Z/
/CMBS2.1.ER.250811T0315Z.250824T0000Z.000000T0000Z.NO/
1229 AM CDT Sun Aug 17 2025
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...James River at Columbia.
* WHEN...Until further notice.
* IMPACTS...At 15.0 feet, Significant amounts of agricultural lands
are flooded.
* ADDITIONAL DETAILS...
- At 11:00 PM CDT Saturday the stage was 15.1 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 11:00 PM CDT Saturday was 15.1 feet.
- Forecast...The river is expected to rise to a crest of 15.1
feet early this morning. It will then rise to 15.8 feet
Saturday evening. Additional rises are possible thereafter.
- Flood stage is 13.0 feet.
- http://www.weather.gov/safety/flood
&&
LAT...LON 4586 9817 4563 9827 4552 9818 4552 9830
4563 9837 4586 9824
$$
12
Heat Advisory
URGENT - WEATHER MESSAGE
National Weather Service Glasgow MT
206 AM MDT Mon Aug 18 2025
MTZ016>027-059>062-182300-
/O.NEW.KGGW.HT.Y.0004.250819T1600Z-250821T0200Z/
Central and Southeast Phillips-Central and Southern Valley-
Daniels-Sheridan-Western Roosevelt-Petroleum-Garfield-McCone-
Richland-Dawson-Prairie-Wibaux-Northern Phillips-Southwest
Phillips-Northern Valley-Eastern Roosevelt-
Including Wibaux, Terry, Whitewater, Wolf Point, Circle, Frazer,
Culbertson, Malta, Glendive, Scobey, Medicine Lake, Winnett,
Hinsdale, Poplar, Fairview, Sidney, Zortman, Richey, Opheim,
Glasgow, Saco, Fort Peck, Jordan, and Plentywood
206 AM MDT Mon Aug 18 2025
...HEAT ADVISORY IN EFFECT FROM 10 AM TUESDAY TO 8 PM MDT
WEDNESDAY...
* WHAT...Highs 95 to 105 expected.
* WHERE...All of northeast Montana.
* WHEN...From 10 AM Tuesday to 8 PM MDT Wednesday.
* IMPACTS...Hot temperatures may cause heat illnesses to occur.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Young children and pets should never be left unattended in vehicles
under any circumstances. Car interiors can reach lethal temperatures
in a matter of minutes.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
&&
$$
Forrester
Dense Fog Advisory
URGENT - WEATHER MESSAGE
National Weather Service Aberdeen SD
308 AM CDT Mon Aug 18 2025
SDZ003>005-007>011-015>017-019>023-033>037-181400-
/O.NEW.KABR.FG.Y.0006.250818T0808Z-250818T1400Z/
Corson-Campbell-McPherson-Marshall-Roberts-Walworth-Edmunds-Day-
Dewey-Potter-Faulk-Clark-Codington-Grant-Hamlin-Deuel-Stanley-
Sully-Hughes-Hyde-Hand-
Including the cities of Faulkton, Fort Pierre, Clear Lake,
Milbank, Highmore, Isabel, Britton, Gettysburg, Miller, Sisseton,
Mobridge, Eureka, Watertown, Ipswich, Webster, McIntosh, Herreid,
Clark, Pierre, Onida, and Hayti
308 AM CDT Mon Aug 18 2025 /208 AM MDT Mon Aug 18 2025/
...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT /8 AM MDT/ THIS
MORNING...
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Portions of central, north central, and northeast South
Dakota.
* WHEN...Until 9 AM CDT /8 AM MDT/ this morning.
* IMPACTS...Low visibility could make driving conditions hazardous.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
&&
$$
12
URGENT - WEATHER MESSAGE
National Weather Service Bismarck ND
212 AM CDT Mon Aug 18 2025
NDZ002>005-010>013-021>023-025-036-037-047-048-050-051-181400-
/O.CON.KBIS.FG.Y.0012.000000T0000Z-250818T1400Z/
Burke-Renville-Bottineau-Rolette-Mountrail-Ward-McHenry-Pierce-
McLean-Sheridan-Wells-Foster-Kidder-Stutsman-Logan-La Moure-
McIntosh-Dickey-
Including the cities of Sherwood, Shell Valley, St. John, Wilton,
Columbus, Harvey, Mcclusky, Powers Lake, Rolette, Washburn,
Jamestown, Towner, Steele, Drake, Underwood, Dunseith, Napoleon,
Lignite, Parshall, Rugby, Portal, Bottineau, Ashley, Bowbells,
Minot, Rolla, Garrison, Wishek, Goodrich, Fessenden, Tappen, New
Town, Oakes, Ellendale, Carrington, Glenburn, Velva, Stanley,
Edgeley, Gackle, Lamoure, Mohall, Turtle Lake, and Kulm
212 AM CDT Mon Aug 18 2025
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT THIS
MORNING...
* WHAT...Visibility down to one quarter of a mile in dense fog.
* WHERE...Part of northwest, north central, and south central North
Dakota, including the James River Valley.
* WHEN...Until 9 AM CDT this morning.
* IMPACTS...Low visibility could make driving conditions hazardous.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
&&
$$
Telken
URGENT - WEATHER MESSAGE
National Weather Service Bismarck ND
212 AM CDT Mon Aug 18 2025
NDZ035-046-181400-
/O.EXA.KBIS.FG.Y.0012.000000T0000Z-250818T1400Z/
Burleigh-Emmons-
Including the cities of Linton, Strasburg, and Bismarck
212 AM CDT Mon Aug 18 2025
...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING...
* WHAT...Visibility down to one quarter of a mile in dense fog.
* WHERE...Burleigh and Emmons Counties.
* WHEN...Until 9 AM CDT this morning.
* IMPACTS...Low visibility could make driving conditions hazardous.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
&&
$$
Special Weather Statement
Special Weather Statement
National Weather Service Bismarck ND
301 AM MDT Mon Aug 18 2025
NDZ040-180930-
Slope ND-
301 AM MDT Mon Aug 18 2025
...A STRONG THUNDERSTORM WILL IMPACT CENTRAL SLOPE COUNTY THROUGH 330
AM MDT...
At 300 AM MDT, Doppler radar was tracking a strong thunderstorm 9
miles northeast of Marmarth, or 21 miles northwest of Bowman, moving
northeast at 30 mph.
HAZARD...Wind gusts up to 40 mph and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to vegetation is
possible.
This storm will remain over mainly rural areas of central Slope
County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4662 10350 4638 10329 4628 10369 4628 10378
4640 10397
TIME...MOT...LOC 0900Z 240DEG 25KT 4636 10377
MAX HAIL SIZE...0.88 IN
MAX WIND GUST...40 MPH
$$
TELKEN
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Aberdeen SD
403 AM CDT Mon Aug 18 2025
SDZ003>006-009-010-017>019-036-037-051-190915-
Corson-Campbell-McPherson-Brown-Walworth-Edmunds-Faulk-Spink-Clark-
Hyde-Hand-Buffalo-
403 AM CDT Mon Aug 18 2025 /303 AM MDT Mon Aug 18 2025/
This Hazardous Weather Outlook is for central South Dakota, north
central South Dakota and northeast South Dakota.
.DAY ONE...Today and tonight.
Mainly dry weather is expected. There is a marginal risk (level 1
out of 5) for severe storms from around 4 to 10 pm CDT. If any
showers or storms do develop, the main threat is for quarter sized
hail, with additional threats of damaging wind gusts and locally
heavy rainfall.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
Hazardous weather is not expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation may be requested. Weather spotters are encouraged
to submit reports to the National Weather Service in Aberdeen. The
public can submit reports on our web page, Facebook page, or our X
feed.
$$
Hazardous Weather Outlook
National Weather Service Aberdeen SD
403 AM CDT Mon Aug 18 2025
SDZ015-016-033>035-045-048-190915-
Dewey-Potter-Stanley-Sully-Hughes-Jones-Lyman-
403 AM CDT Mon Aug 18 2025 /303 AM MDT Mon Aug 18 2025/
This Hazardous Weather Outlook is for central South Dakota and
north central South Dakota.
.DAY ONE...Today and tonight.
There is a slight risk (level 2 out of 5) for severe storms (20 to 30
percent chance) from around 4 to 10 pm CDT. If any showers or storms
do develop, the main threat is for quarter sized hail, with
additional threats of damaging wind gusts and locally heavy rainfall.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
Hazardous weather is not expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation may be requested. Weather spotters are encouraged
to submit reports to the National Weather Service in Aberdeen. The
public can submit reports on our web page, Facebook page, or our X
feed.
$$
Hazardous Weather Outlook
National Weather Service Bismarck ND
116 AM CDT Mon Aug 18 2025
NDZ002>005-010>013-021>023-025-036-037-047-048-050-051-190630-
Burke-Renville-Bottineau-Rolette-Mountrail-Ward-McHenry-Pierce-
McLean-Sheridan-Wells-Foster-Kidder-Stutsman-Logan-La Moure-
McIntosh-Dickey-
116 AM CDT Mon Aug 18 2025
This Hazardous Weather Outlook is for portions of north central
North Dakota, northwest North Dakota, south central North Dakota,
and southeast North Dakota.
.DAY ONE...Tonight
Dense fog advisory is in effect until 9am CDT Monday. See
weather.gov/bis for details.
.DAYS TWO THROUGH SEVEN...Monday through Saturday
The probability for widespread hazardous weather is low.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Bismarck ND
116 AM CDT Mon Aug 18 2025
NDZ017-031-032-040-043-190630-
McKenzie-Golden Valley-Billings-Slope-Bowman-
116 AM CDT Mon Aug 18 2025 /1216 AM MDT Mon Aug 18 2025/
This Hazardous Weather Outlook is for portions of northwest North
Dakota and southwest North Dakota.
.DAY ONE...Tonight
Isolated thunderstorms are possible tonight. Severe weather is
not anticipated.
.DAYS TWO THROUGH SEVEN...Monday through Saturday
The probability for widespread hazardous weather is low.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Rapid City SD
321 AM MDT Sun Aug 17 2025
SDZ001-002-012>014-024>026-028-031-032-043-072-073-078-WYZ054>060-
181300-
Harding-Northern Perkins-Butte-Northern Meade Co Plains-Ziebach-
Northern Black Hills-Northern Foothills-Rapid City-
Central Black Hills-Pennington Co Plains-Haakon-Northern Jackson-
Sturgis/Piedmont Foothills-Southern Meade Co Plains-
Southern Perkins-Northern Campbell-Southern Campbell-
Western Crook-Wyoming Black Hills-Weston County Plains-Newcastle-
Northeastern Crook-
321 AM MDT Sun Aug 17 2025
This Hazardous Weather Outlook is for portions of western South
Dakota and northeastern Wyoming.
.DAY ONE...Today and Tonight
Isolated thunderstorms are possible today, no widespread severe
weather is expected.
.DAYS TWO THROUGH SEVEN...Monday through Saturday
Thunderstorms are possible on Monday, some storms could be strong
to severe and capable of damaging winds and large hail.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed today.
&&
Stay tuned to NOAA weather radio for further updates...or check
our web site at weather.gov/rapidcity
$$
