winterstormwarning.com

Winter Storm Warning, California

Severe

Gusts up to 35 mph. Plan on slippery road conditions and delays in your commute.

Ended Friday, December 26, 2025.

Issued
Expires
Updated

Places in this warning

How much

Wind gusts
Up to 35 mph

Map

Map of California with this warning The Winter Storm Warning covers Mount Shasta, Alturas, Dunsmuir. I-5US 101US 97Mount ShastaAlturasHappy CampNEVADAOREGONCALIFORNIA50 mi I-5US 101US 97Mount ShastaAlturasDunsmuirNEVADAOREGONCALIFORNIA50 mi I-5US 97Mount ShastaAlturasDunsmuirNEVADAOREGONCALIFORNIA50 mi US 97Mount ShastaOREGONCALIFORNIA100 mi
  • This warning
  • Interstates
  • US highways
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
Heavy snow Above 5500 ft in Modoc County. Additional snow accumulations up to two inches over roads and populated areas in the Modoc Warner Mountains. Winds gusting as high as 35 mph over high and exposed terrain.
Where
Above 5500 ft in Modoc County. This also includes the following passes or notable locations... Cedar Pass on state highway 239 at 6323 ft.
When
Until 10 at night this evening.
Impacts
Plan on slippery road conditions and delays in your commute. The hazardous conditions could impact the Friday evening commute.
Additional details
Visit weather.gov/mfr/winter for additional snow probabilities

Updates

  1. Cancelled by the National Weather Service. December 26, 2025
  2. Snow totals lowered from 4 to 10 inches to up to 8 inches. Extended to Friday, 10 at night. December 26, 2025
  3. Reissued with no change to the times or amounts. December 26, 2025
  4. Snow totals lowered from 6 to 20 inches to 4 to 10 inches. December 26, 2025
  5. Reissued with no change to the times or amounts. December 25, 2025
  6. Snow totals raised from 8 to 16 inches to 6 to 20 inches. Extended to Friday, 4 in the afternoon. Ended for part of the area. December 25, 2025
  7. Reissued with no change to the times or amounts. December 25, 2025
  8. Reissued with no change to the times or amounts. December 24, 2025
  9. Snow totals lowered from 3 to 17 inches to 8 to 16 inches. December 24, 2025
  10. Snow totals raised from 6 to 14 inches to 3 to 17 inches. December 24, 2025
  11. Reissued with no change to the times or amounts. December 23, 2025
  12. Snow totals lowered from 1 to 3 feet to 6 to 14 inches. Ended for part of the area. December 23, 2025
  13. Reissued with no change to the times or amounts. December 23, 2025
  14. Reissued with no change to the times or amounts. December 22, 2025
  15. Replaces the Winter Storm Watch. December 22, 2025