46°35'N / 111°54'W / Altitud 1185 m / 01:36 01/11/2026, America/Denver (UTC-6)
de: 01/11/2026, 00:57
a: 01/11/2026, 12:00
* WHAT...Variable visibility down to one quarter of a mile or less in dense fog. * WHERE...A portion of north central Montana. * WHEN...Until noon MST today. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Bridges and overpasses may become slippery from frost deposition and or freezing drizzle, especially for locations west of interstate 15.
Lewis and Clark
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
NWS Great Falls MT
01/11/2026, 00:57de: 01/11/2026, 00:57
a: 01/11/2026, 12:00
* WHAT...Variable visibility down to one quarter of a mile or less in dense fog. * WHERE...Canyon Ferry Area, Helena Valley, Beaverhead and Western Madison below 6000ft, Gallatin Valley, and Missouri Headwaters. * WHEN...Until noon MST today. * IMPACTS...Low visibility could make driving conditions hazardous.
Helena Valley,Lewis and ClarkIf driving, slow down, use your headlights, and leave plenty of
distance ahead of you.NWS Great Falls MT01/11/2026, 00:57