Dense Fog Advisory
URGENT - WEATHER MESSAGE
National Weather Service Bismarck ND
550 AM CST Sun Nov 1 2026
NDZ001>005-009-010-012-013-017>020-022-023-031>033-040-041-043-044-
055>058-011500-
/O.CON.KBIS.FG.Y.0024.000000T0000Z-261101T1500Z/
Divide-Burke-Renville-Bottineau-Rolette-Williams-Mountrail-McHenry-
Pierce-McKenzie-Dunn-Mercer-Oliver-Sheridan-Wells-Golden Valley-
Billings-Stark-Slope-Hettinger-Bowman-Adams-Northwest Ward-
Central and Southern Ward/Minot Area-Western McLean-Eastern McLean-
Including the cities of Columbus, Rugby, Fessenden, Bowbells,
Goodrich, Halliday, Kenmare, Portal, Underwood, Mohall, Harvey,
Watford City, Williston, Mcclusky, Parshall, Glenburn, Hazen,
Washburn, Bowman, Killdeer, Crosby, Mott, Sherwood, Beach, Towner,
Beulah, Hettinger, Dickinson, Drake, Max, Stanley, Turtle
Lake, Garrison, Bottineau, Powers Lake, New Town, Minot, St.
John, Velva, Center, Medora, Marmarth, New England, Dunseith,
Rolette, Wilton, Shell Valley, Lignite, and Rolla
550 AM CST Sun Nov 1 2026 /450 AM MST Sun Nov 1 2026/
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST /8 AM MST/
THIS MORNING...
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Western and north central North Dakota.
* WHEN...Until 9 AM CST /8 AM MST/ 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.
&&
$$
Hollan
URGENT - WEATHER MESSAGE
National Weather Service Rapid City SD
419 AM MST Sun Nov 1 2026
SDZ001-002-012-078-WYZ054-056-057-060-011900-
/O.CON.KUNR.FG.Y.0010.000000T0000Z-261101T1900Z/
Harding-Northern Perkins-Butte-Southern Perkins-Northern Campbell-
Western Crook-Wyoming Black Hills-Northeastern Crook-
Including the cities of Lemmon, Sundance, Rozet, Ludlow, Colony,
Bison, Keyhole Reservoir, Newell, Redig, Beulah, Vale, Shadehill,
Zeona, Devils Tower, Buffalo, Gillette, Belle Fourche, Usta, Reva,
Camp Crook, Four Corners, Pine Haven, Moorcroft, Prairie City,
Fruitdale, Aladdin, Weston, Meadow, Recluse, Hulett, Sorum, Ladner,
Belle Fourche Reservoir, and Hoover
419 AM MST Sun Nov 1 2026
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL NOON MST TODAY...
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Portions of northwestern South Dakota and northeast and the
Black Hills of Wyoming.
* WHEN...Until noon MST today.
* IMPACTS...Low visibility could make driving conditions hazardous.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
&&
$$
Dye
URGENT - WEATHER MESSAGE
National Weather Service Rapid City SD
419 AM MST Sun Nov 1 2026
SDZ025-026-072-011900-
/O.EXA.KUNR.FG.Y.0010.000000T0000Z-261101T1900Z/
Northern Foothills-Rapid City-Sturgis/Piedmont Foothills-
Including the cities of Black Hawk, Saint Onge, Whitewood, Tilford,
Rapid City, Summerset, Piedmont, Spearfish, and Sturgis
419 AM MST Sun Nov 1 2026
...DENSE FOG ADVISORY IN EFFECT UNTIL NOON MST TODAY...
* WHAT...Visibility one quarter mile or less at times in dense fog.
* WHERE...Northern Foothills, Sturgis/Piedmont Foothills, and Rapid
City.
* WHEN...Until noon MST today.
* 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Billings MT
409 AM MST Sun Nov 1 2026
MTZ029>033-036-037-057-058-138-173-235-WYZ199-011900-
/O.CON.KBYZ.FG.Y.0007.000000T0000Z-261101T1900Z/
Musselshell-Treasure-Northern Rosebud-Custer-Fallon-Powder River-
Carter-Northern Big Horn-Southern Rosebud-Southern Big Horn-
Northeastern Yellowstone-Southwestern Yellowstone-Sheridan
Foothills-
Including the locations of Pryor, Lodge Grass, Hysham, Miles City,
Broadus, Crow Agency, Pompeys Pillar, Custer, Billings, Forsyth,
Roundup, Ekalaka, Sheridan, Baker, Hardin, Colstrip, and Lame Deer
409 AM MST Sun Nov 1 2026
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL NOON MST TODAY...
* WHAT...Pockets of dense fog with visibility down to one quarter
mile or less at times.
* WHERE...Portions of central, south central, and southeast Montana
and north central Wyoming.
* WHEN...Until noon MST today.
* IMPACTS...Low visibility could make driving conditions hazardous.
* ADDITIONAL DETAILS...Some roadways or bridges could be frost or ice
covered and slippery.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
&&
$$
Additional graphics for this hazard can be found at
http://www.weather.gov/billings
BT
High Wind Watch
URGENT - WEATHER MESSAGE
National Weather Service Riverton WY
130 AM MDT Sun Nov 1 2026
WYZ010-020000-
/O.NEW.KRIW.HW.A.0012.261102T1000Z-261102T1600Z/
Northeast Johnson County-
Including the cities of Buffalo
130 AM MDT Sun Nov 1 2026
...HIGH WIND WATCH IN EFFECT FROM LATE TONIGHT THROUGH MONDAY
AFTERNOON...
* WHAT...Northwest winds 30 to 40 mph with gusts up to 60 mph
possible.
* WHERE...Northeast Johnson County.
* WHEN...From late tonight through Monday afternoon.
* IMPACTS...Travel could be difficult, especially for high profile
vehicles, including on Interstates 25 and 90.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Monitor the latest forecasts and warnings for updates.
&&
$$
https://www.weather.gov/riw/
Hattings
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Bismarck ND
619 AM CST Sun Nov 1 2026
NDZ033-037-040-041-043-044-048-051-021230-
Stark-Stutsman-Slope-Hettinger-Bowman-Adams-La Moure-Dickey-
619 AM CST Sun Nov 1 2026 /519 AM MST Sun Nov 1 2026/
This Hazardous Weather Outlook is for portions of southeast North
Dakota and southwest North Dakota.
.DAY ONE...Today and Tonight
A Dense Fog Advisory is in effect this morning. See
www.weather.gov/bis for details.
.DAYS TWO THROUGH SEVEN...Monday through Saturday
Strong north winds are possible Monday afternoon and evening.
.SPOTTER INFORMATION STATEMENT...
Spotters are asked to provide reports to the NWS using standard
procedures, including through our social media accounts.
$$
Hazardous Weather Outlook
National Weather Service North Platte NE
411 AM CST Sun Nov 1 2026
NEZ004>010-022>029-035>038-056>059-069>071-094-021015-
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-
411 AM CST Sun Nov 1 2026 /311 AM MST Sun Nov 1 2026/
This Hazardous Weather Outlook is for portions of western and north
central Nebraska.
.DAY ONE...Today and tonight.
Rain showers are expected to start across the region tonight lasting
through Tuesday afternoon.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
Rain showers and thunderstorms continue Monday through Tuesday
afternoon. At this time, the risk for severe weather remains low,
though a few stronger thunderstorms are possible on Monday.
Strong northerly winds are possible Monday and Tuesday across the
area. Gusts up to 45 to 55 MPH are possible with the highest gusts
over the central and western Sandhills.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service Sioux Falls SD
246 AM CST Sun Nov 1 2026
IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ038>040-050-052>071-020900-
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-
246 AM CST Sun Nov 1 2026
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...Today and tonight.
Patchy fog is expected through mid to late morning. Locally dense
fog with visibility below one mile east of Interstate 29, with
probability as high as 75%.
Rain and isolated thunderstorms expand overnight from southwest to
northeast. Locally heavy rainfall possible.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
Widespread rain continues into mid week. Total rainfall of 1 to 2
inches or more possible. Heaviest rain into Monday evening. Locally
heavy rain may lead to ponding of water. Widespread issues or flash
flooding are not expected.
Although risk remains low, a few isolated strong to severe
thunderstorms are possible Monday afternoon near and south of US
Highway 20.
.SPOTTER INFORMATION STATEMENT...
Spotter activation may be needed near US Highway 20 Monday afternoon.
&&
NWS Sioux Falls will discontinue the Hazardous Weather Outlook
product (HWO) on November 8, 2026. Weather hazards and outlooks
will continue to be provided through other standard NWS products,
including weather briefing packets, forecast discussions, weather
story graphics, the graphical hazardous weather outlook, and updated
hazard messaging. All local products and visual tools are accessible
directly at: weather.gov/siouxfalls.
$$
