winterstormwarning.com

Winter Storm Warning, Montana

Severe

Gusts up to 35 mph. Roads will remain snow packed and hazardous.

Ended Sunday, March 15, 2026.

Replaced by the Blizzard Warning on Saturday, March 14, 12:21 in the afternoon.

Issued
Expires
Updated

Places in this warning

How much

Wind gusts
Up to 35 mph

Map

Map of Montana with this warning The Winter Storm Warning covers Great Falls, Lewistown, Malmstrom AFB. Also shown: Winter Weather Advisory. I-15I-90US 12US 93Great FallsLewistownNorth BrowningConradIDAHOMONTANA50 mi I-15I-90US 93Great FallsLewistownNorth BrowningIDAHOMONTANA50 mi I-15I-90Great FallsLewistownMONTANA50 mi I-90Great FallsLewistownMONTANA100 mi
  • This warning
  • Winter Weather 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 continuing through this evening with periods of moderate snow near the continental divide. Additional snow accumulations up to two inches. Winds gusting as high as 35 mph.
Where
A portion of central Montana.
When
Until midnight MDT tonight.
Impacts
Roads will remain snow packed and hazardous. Plan on slippery road conditions. Areas of blowing snow could locally reduce visibility.

Updates

  1. Allowed to end on time. March 14, 2026
  2. Extended to Sunday, midnight. March 14, 2026
  3. Extended to Saturday, 9 at night. Ended for part of the area. March 14, 2026
  4. Ended for part of the area. March 14, 2026
  5. Snow totals lowered from 6 to 15 inches to up to 5 inches. March 14, 2026
  6. Snow totals raised from 7 to 14 inches to 6 to 15 inches. March 14, 2026
  7. Reissued with no change to the times or amounts. March 14, 2026
  8. Snow totals raised from 6 to 11 inches to 7 to 14 inches. March 14, 2026
  9. Snow totals lowered from 7 to 14 inches to 6 to 11 inches. March 14, 2026
  10. Snow totals lowered from 1 to 2 feet to 7 to 14 inches. March 13, 2026
  11. Snow totals lowered from 1 to 3 feet to 1 to 2 feet. March 13, 2026
  12. Reissued with no change to the times or amounts. March 12, 2026
  13. Reissued with no change to the times or amounts. March 12, 2026
  14. Area expanded. March 12, 2026
  15. Area expanded. Now also replaces the Winter Storm Watch. March 12, 2026
  16. Reissued with no change to the times or amounts. March 11, 2026
  17. Snow totals raised from up to 4 inches to 1 to 3 feet. Area expanded. Now also replaces the Winter Weather Advisory. March 11, 2026
  18. Snow totals lowered from 3 to 8 inches to up to 4 inches. March 11, 2026
  19. Replaces the Winter Storm Watch. March 10, 2026

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