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Home Return to list Dense Fog Advisory 0007 Issued by the Billings Forecast Office
Action: New Issued At: 2026-10-31 22:12:37 669 WWUS75 KBYZ 010312 NPWBYZ 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. && $$ Additional graphics for this hazard can be found at http://www.weather.gov/billings LT Action: Area Extended Issued At: 2026-11-01 05:10:06 503 WWUS75 KBYZ 011109 NPWBYZ URGENT - WEATHER MESSAGE National Weather Service Billings MT 409 AM MST Sun Nov 1 2026 MTZ034-042-056-065-066-141-170-011900- /O.EXA.KBYZ.FG.Y.0007.000000T0000Z-261101T1900Z/ Northern Stillwater-Golden Valley-Red Lodge Foothills-Livingston Area-Beartooth Foothills-Northern Sweet Grass-Northern Carbon- Including the locations of Fromberg, Big Timber, Limestone, Ryegate, Fishtail, Columbus, Lavina, Dean, Mc Leod, Joliet, Livingston, Red Lodge, Nye, and Absarokee 409 AM MST Sun Nov 1 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL NOON MST TODAY... * WHAT...Pockets of dense fog with visibility down to one quarter mile or less at times. * WHERE...Portions of central and south central Montana. * WHEN...Until noon MST today. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Some roadways or bridges could be frost or ice covered and slippery. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ 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. && $$ Additional graphics for this hazard can be found at http://www.weather.gov/billings BT Action: Continued Issued At: 2026-11-01 05:10:06 503 WWUS75 KBYZ 011109 NPWBYZ URGENT - WEATHER MESSAGE National Weather Service Billings MT 409 AM MST Sun Nov 1 2026 MTZ034-042-056-065-066-141-170-011900- /O.EXA.KBYZ.FG.Y.0007.000000T0000Z-261101T1900Z/ Northern Stillwater-Golden Valley-Red Lodge Foothills-Livingston Area-Beartooth Foothills-Northern Sweet Grass-Northern Carbon- Including the locations of Fromberg, Big Timber, Limestone, Ryegate, Fishtail, Columbus, Lavina, Dean, Mc Leod, Joliet, Livingston, Red Lodge, Nye, and Absarokee 409 AM MST Sun Nov 1 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL NOON MST TODAY... * WHAT...Pockets of dense fog with visibility down to one quarter mile or less at times. * WHERE...Portions of central and south central Montana. * WHEN...Until noon MST today. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Some roadways or bridges could be frost or ice covered and slippery. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ 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. && $$ Additional graphics for this hazard can be found at http://www.weather.gov/billings BT Action: Continued Issued At: 2026-11-01 11:08:17 707 WWUS75 KBYZ 011707 NPWBYZ URGENT - WEATHER MESSAGE National Weather Service Billings MT 1007 AM MST Sun Nov 1 2026 MTZ029>034-036-037-042-056>058-065-066-138-141-170-173-235-WYZ199- 011900- /O.CON.KBYZ.FG.Y.0007.000000T0000Z-261101T1900Z/ Musselshell-Treasure-Northern Rosebud-Custer-Fallon-Northern Stillwater-Powder River-Carter-Golden Valley-Red Lodge Foothills- Northern Big Horn-Southern Rosebud-Livingston Area-Beartooth Foothills-Southern Big Horn-Northern Sweet Grass-Northern Carbon- Northeastern Yellowstone-Southwestern Yellowstone-Sheridan Foothills- Including the locations of Forsyth, Big Timber, Columbus, Fishtail, Joliet, Ryegate, Colstrip, Broadus, Nye, Livingston, Red Lodge, Fromberg, Dean, Lavina, Hysham, Baker, Pryor, Hardin, Roundup, Mc Leod, Lame Deer, Custer, Pompeys Pillar, Billings, Lodge Grass, Ekalaka, Miles City, Absarokee, Sheridan, Limestone, and Crow Agency 1007 AM MST Sun Nov 1 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL NOON MST TODAY... * WHAT...Pockets of dense fog with visibility down to one quarter mile or less at times. * WHERE...Portions of central, south central, and southeast Montana and north central Wyoming. * WHEN...Until noon MST today. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Some roadways or bridges could be frost or ice covered and slippery. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ Additional graphics for this hazard can be found at http://www.weather.gov/billings PM Action: Expired Issued At: 2026-11-01 12:44:19 735 WWUS75 KBYZ 011844 NPWBYZ URGENT - WEATHER MESSAGE National Weather Service Billings MT 1144 AM MST Sun Nov 1 2026 MTZ031>033-036-037-042-058-065-066-141-WYZ199-011945- /O.EXP.KBYZ.FG.Y.0007.000000T0000Z-261101T1900Z/ Northern Rosebud-Custer-Fallon-Powder River-Carter-Golden Valley- Southern Rosebud-Livingston Area-Beartooth Foothills-Northern Sweet Grass-Sheridan Foothills- 1144 AM MST Sun Nov 1 2026 ...DENSE FOG ADVISORY WILL EXPIRE AT NOON MST TODAY... Areas of dense fog have diminished for portions of southern Montana, west of Billings and in southeast Montana. $$ MTZ029-030-034-056-057-138-170-173-235-012100- /O.EXT.KBYZ.FG.Y.0007.000000T0000Z-261101T2100Z/ Musselshell-Treasure-Northern Stillwater-Red Lodge Foothills- Northern Big Horn-Southern Big Horn-Northern Carbon-Northeastern Yellowstone-Southwestern Yellowstone- Including the locations of Billings, Columbus, Roundup, Lodge Grass, Joliet, Pryor, Hysham, Custer, Absarokee, Red Lodge, Fromberg, Crow Agency, Hardin, and Pompeys Pillar 1144 AM MST Sun Nov 1 2026 ...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 2 PM MST THIS AFTERNOON... * WHAT...Pockets of dense fog with visibility down to one quarter mile or less at times. * WHERE...Portions of central and south central Montana. * WHEN...Until 2 PM MST this afternoon. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Some roadways or bridges could be frost or ice covered and slippery. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ Additional graphics for this hazard can be found at http://www.weather.gov/billings Matos Action: Time Extended Issued At: 2026-11-01 12:44:19 735 WWUS75 KBYZ 011844 NPWBYZ URGENT - WEATHER MESSAGE National Weather Service Billings MT 1144 AM MST Sun Nov 1 2026 MTZ031>033-036-037-042-058-065-066-141-WYZ199-011945- /O.EXP.KBYZ.FG.Y.0007.000000T0000Z-261101T1900Z/ Northern Rosebud-Custer-Fallon-Powder River-Carter-Golden Valley- Southern Rosebud-Livingston Area-Beartooth Foothills-Northern Sweet Grass-Sheridan Foothills- 1144 AM MST Sun Nov 1 2026 ...DENSE FOG ADVISORY WILL EXPIRE AT NOON MST TODAY... Areas of dense fog have diminished for portions of southern Montana, west of Billings and in southeast Montana. $$ MTZ029-030-034-056-057-138-170-173-235-012100- /O.EXT.KBYZ.FG.Y.0007.000000T0000Z-261101T2100Z/ Musselshell-Treasure-Northern Stillwater-Red Lodge Foothills- Northern Big Horn-Southern Big Horn-Northern Carbon-Northeastern Yellowstone-Southwestern Yellowstone- Including the locations of Billings, Columbus, Roundup, Lodge Grass, Joliet, Pryor, Hysham, Custer, Absarokee, Red Lodge, Fromberg, Crow Agency, Hardin, and Pompeys Pillar 1144 AM MST Sun Nov 1 2026 ...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 2 PM MST THIS AFTERNOON... * WHAT...Pockets of dense fog with visibility down to one quarter mile or less at times. * WHERE...Portions of central and south central Montana. * WHEN...Until 2 PM MST this afternoon. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Some roadways or bridges could be frost or ice covered and slippery. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ Additional graphics for this hazard can be found at http://www.weather.gov/billings Matos Action: Expired Issued At: 2026-11-01 14:42:53 560 WWUS75 KBYZ 012042 NPWBYZ URGENT - WEATHER MESSAGE National Weather Service Billings MT 142 PM MST Sun Nov 1 2026 MTZ029-030-034-056-057-138-170-173-235-012145- /O.EXP.KBYZ.FG.Y.0007.000000T0000Z-261101T2100Z/ Musselshell-Treasure-Northern Stillwater-Red Lodge Foothills- Northern Big Horn-Southern Big Horn-Northern Carbon-Northeastern Yellowstone-Southwestern Yellowstone- Including the locations of Billings, Columbus, Roundup, Lodge Grass, Joliet, Pryor, Hysham, Custer, Absarokee, Red Lodge, Fromberg, Crow Agency, Hardin, and Pompeys Pillar 142 PM MST Sun Nov 1 2026 ...DENSE FOG ADVISORY WILL EXPIRE AT 2 PM MST THIS AFTERNOON... Dense fog has largely come to an end as showers have moved into the Advisory area. Patches of fog may linger through the afternoon, with visibility reductions as low as 1 mile. $$ Additional graphics for this hazard can be found at http://www.weather.gov/billings Matos | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||