winterstormwarning.com

Winter Weather Advisory, Montana

Moderate

Snow. Roads, and especially bridges and overpasses, will likely become slick and hazardous.

Ended Monday, February 9, 2026.

Issued
Expires
Updated

Places in this advisory

Map

Map of Montana with this advisory The Winter Weather Advisory covers Helena, Helena Valley Southeast, Lewistown. I-90I-84I-94I-25I-115HelenaLewistownHelena Valley NorthwestWYOMINGIDAHOMONTANA100 mi I-90I-84I-94I-25HelenaLewistownWYOMINGIDAHOMONTANA100 mi I-90I-94I-25HelenaLewistownWYOMINGIDAHOMONTANA100 mi I-90I-94HelenaWYOMINGIDAHOMONTANA200 mi
  • This advisory
  • Interstates
  • US highways
  • US border
Alert area: National Weather Service. Borders and highways: U.S. Census Bureau. Lakes, rivers and other countries: Natural Earth. Open this area in OpenStreetMap

Details from the National Weather Service

What
Snow. Additional snow accumulations up to two inches at lower elevations and up to four inches in the mountains.
Where
Portions of central, north central, and southwest Montana.
When
Until 2 in the afternoon this afternoon.
Impacts
Roads, and especially bridges and overpasses, will likely become slick and hazardous.
Additional details
Expect impacts to the Monday commute. Take extra precautions when traveling over mountain passes, as conditions may rapidly change with elevation.

Updates

  1. Allowed to end on time. February 9, 2026
  2. Ended for part of the area. February 9, 2026
  3. Extended to Monday, 2 in the afternoon. February 9, 2026
  4. Snow totals lowered from 3 to 6 inches to 1 to 4 inches. Area expanded. Ended for part of the area. February 9, 2026
  5. Snow totals lowered from 3 to 8 inches to 3 to 6 inches. February 8, 2026
  6. Snow totals raised from 3 to 6 inches to 3 to 8 inches. Area expanded. February 8, 2026
  7. Winter Weather Advisory issued for Sunday evening through Monday morning. February 8, 2026