Dense Fog Advisory
URGENT - WEATHER MESSAGE
National Weather Service Bismarck ND
1027 PM CDT Sat Oct 31 2026
NDZ004-005-012-013-019-020-022-023-058-011130-
/O.EXA.KBIS.FG.Y.0024.000000T0000Z-261101T1500Z/
Bottineau-Rolette-McHenry-Pierce-Mercer-Oliver-Sheridan-Wells-
Eastern McLean-
Including the cities of Dunseith, Fessenden, Mcclusky, Bottineau,
Underwood, Harvey, Turtle Lake, Drake, Rolla, Rugby, Goodrich,
Shell Valley, St. John, Washburn, Max, Rolette, Beulah, Towner,
Center, Wilton, Hazen, and Velva
1027 PM CDT Sat Oct 31 2026 /927 PM MDT Sat Oct 31 2026/
...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CST /8 AM MST/ SUNDAY...
* WHAT...Visibility down to a quarter mile at times in dense fog.
* WHERE...Portions of central and south central North Dakota.
* WHEN...Until 9 AM CST /8 AM MST/ Sunday.
* IMPACTS...Low visibility will make driving conditions hazardous.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Bismarck ND
1027 PM CDT Sat Oct 31 2026
NDZ033-040-041-043-044-011130-
/O.CON.KBIS.FG.Y.0024.000000T0000Z-261101T1500Z/
Stark-Slope-Hettinger-Bowman-Adams-
Including the cities of Hettinger, Marmarth, Dickinson, Bowman, Mott,
and New England
927 PM MDT Sat Oct 31 2026
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST SUNDAY...
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Adams, Bowman, Hettinger, Slope, and Stark Counties.
* WHEN...Until 8 AM MST Sunday.
* IMPACTS...Low visibility will make driving conditions hazardous.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
&&
$$
Hamilton
URGENT - WEATHER MESSAGE
National Weather Service Bismarck ND
1027 PM CDT Sat Oct 31 2026
NDZ025-035>037-042-046>048-050-051-059>062-011130-
/O.CON.KBIS.FG.Y.0024.000000T0000Z-261101T1200Z/
Foster-Burleigh-Kidder-Stutsman-Grant-Emmons-Logan-La Moure-
McIntosh-Dickey-Western Morton-Eastern Morton-Western Sioux-
Eastern Sioux-
Including the cities of Mandan, Oakes, Linton, Carrington, Carson,
Steele, Glen Ullin, Ashley, Selfridge, Tappen, Wishek, Bismarck,
Porcupine, Solen, New Salem, Lamoure, Ellendale, Gackle, Napoleon,
Strasburg, Kulm, Hebron, New Leipzig, Jamestown, Edgeley, Fort Yates,
and Elgin
1027 PM CDT Sat Oct 31 2026 /927 PM MDT Sat Oct 31 2026/
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST /5 AM MST/
SUNDAY...
* WHAT...Visibility down to a quarter mile at times in dense fog.
* WHERE...portions of south central and southeast North Dakota,
including the James River Valley.
* WHEN...Until 6 AM CST /5 AM MST/ Sunday.
* IMPACTS...Low visibility will make driving conditions hazardous.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Billings MT
912 PM MDT Sat Oct 31 2026
MTZ029>033-036-037-057-058-138-173-235-WYZ199-011115-
/O.NEW.KBYZ.FG.Y.0007.261101T0312Z-261101T1900Z/
Musselshell-Treasure-Northern Rosebud-Custer-Fallon-Powder River-
Carter-Northern Big Horn-Southern Rosebud-Southern Big Horn-
Northeastern Yellowstone-Southwestern Yellowstone-Sheridan
Foothills-
Including the locations of Pryor, Hardin, Ekalaka, Forsyth, Lame
Deer, Miles City, Lodge Grass, Custer, Hysham, Sheridan, Pompeys
Pillar, Crow Agency, Roundup, Baker, Colstrip, Broadus, and Billings
912 PM MDT Sat Oct 31 2026
...DENSE FOG ADVISORY IN EFFECT UNTIL NOON MST SUNDAY...
* WHAT...Pockets of dense fog with visibility down to one quarter
mile or less at times.
* WHERE...Portions of central, south central, and southeast Montana
and north central Wyoming.
* WHEN...Until noon MST Sunday.
* IMPACTS...Low visibility could make driving conditions hazardous.
* ADDITIONAL DETAILS...Some roadways or bridges could be frost or ice
covered and slippery.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
&&
$$
Additional graphics for this hazard can be found at
http://www.weather.gov/billings
LT
URGENT - WEATHER MESSAGE
National Weather Service Rapid City SD
905 PM MDT Sat Oct 31 2026
SDZ001-002-012-078-WYZ054-056-057-060-011815-
/O.NEW.KUNR.FG.Y.0010.261101T0305Z-261101T1900Z/
Harding-Northern Perkins-Butte-Southern Perkins-Northern Campbell-
Western Crook-Wyoming Black Hills-Northeastern Crook-
Including the cities of Aladdin, Rozet, Redig, Usta, Weston, Bison,
Gillette, Colony, Pine Haven, Hoover, Zeona, Moorcroft, Devils Tower,
Four Corners, Belle Fourche, Vale, Keyhole Reservoir, Buffalo, Sorum,
Reva, Recluse, Sundance, Newell, Ludlow, Camp Crook, Fruitdale,
Shadehill, Prairie City, Meadow, Belle Fourche Reservoir, Beulah,
Hulett, Ladner, and Lemmon
905 PM MDT Sat Oct 31 2026
...DENSE FOG ADVISORY IN EFFECT UNTIL NOON MST SUNDAY...
* WHAT...Visibility one quarter mile or less in dense fog will
develop.
* WHERE...Portions of northwestern South Dakota and northeast and the
Black Hills of Wyoming.
* WHEN...Until noon MST Sunday.
* 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.
&&
$$
Helgeson
URGENT - WEATHER MESSAGE
National Weather Service Grand Forks ND
1004 PM CDT Sat Oct 31 2026
MNZ004-007-NDZ006>008-014>016-026-027-054-011115-
/O.EXB.KFGF.FG.Y.0019.261101T0500Z-261101T1500Z/
Kittson-West Marshall-Towner-Cavalier-Pembina-Benson-Ramsey-
Eastern Walsh-Nelson-Grand Forks-Western Walsh-
Including the cities of Hallock, Grand Forks, Michigan, Warren,
Devils Lake, Cando, Drayton, Grafton, Leeds, Langdon, Cavalier, and
Lankin
1004 PM CDT Sat Oct 31 2026
...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CST SUNDAY...
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Portions of northwest Minnesota and northeast North Dakota.
* WHEN...Until 9 AM CST Sunday.
* IMPACTS...Low visibility could make driving conditions hazardous.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Grand Forks ND
1004 PM CDT Sat Oct 31 2026
NDZ024-028-029-038-011115-
/O.CON.KFGF.FG.Y.0019.000000T0000Z-261101T1200Z/
Eddy-Griggs-Steele-Barnes-
Including the cities of Valley City, Finley, New Rockford, and
Cooperstown
1004 PM CDT Sat Oct 31 2026
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST SUNDAY...
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Eddy, Barnes, Griggs, and Steele Counties.
* WHEN...Until 6 AM CST Sunday.
* 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.
&&
$$
Rafferty
URGENT - WEATHER MESSAGE
National Weather Service Grand Forks ND
1004 PM CDT Sat Oct 31 2026
NDZ030-039-011115-
/O.EXA.KFGF.FG.Y.0019.000000T0000Z-261101T1200Z/
Traill-Cass-
Including the cities of Fargo, Hillsboro, and Mayville
1004 PM CDT Sat Oct 31 2026
...DENSE FOG ADVISORY IN EFFECT UNTIL 6 AM CST SUNDAY...
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Cass and Traill Counties.
* WHEN...Until 6 AM CST Sunday.
* IMPACTS...Low visibility could make driving conditions hazardous.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
&&
$$
