Weather Alerts Map

Shasta County weather alerts

1 advisory is in effect for Shasta County, CA. The most serious is a winter weather advisory.

Since 2016 the National Weather Service has issued about 431 alerts that included Shasta County, roughly 43 a year. The most common is the winter weather advisory (80 from 2016 to 2025). The last tornado warning was issued on January 4, 2025.

Updated from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS

Active alerts for Shasta County

Winter Weather Advisory

Lassen Volcanic National Park; Sierra Nevada of Sierra-Nevada-Placer Counties Above 5000 ft Including Interstate 80; Sierra Nevada of El Dorado-Amador-Northern Alpine Counties Above 5000 ft Including Highway 50; Sierra Nevada of Calavera…Until · NWS Sacramento CA

WINTER WEATHER ADVISORY IN EFFECT FROM 4 PM SUNDAY TO 10 PM PST MONDAY

Full alert text
* WHAT...Snow is expected for elevations above 6000 feet. Total snow
accumulations 2 to 6 inches, with up to 14 inches near Lassen Park.
Winds gusting as high as 40 mph.

* WHERE...Northern Sierra above 6000 feet, including Highway 50,
Interstate 80, State Route 4, State Route 108, Southern Cascades
above 6000 feet, including Lassen National Park.

* WHEN...From 4 PM Sunday to 10 PM PST Monday.

* IMPACTS...The hazardous conditions will impact Sunday evening
travelers, as well as the Monday morning and evening commutes.

* ADDITIONAL DETAILS...Snow levels 6500 to 7500 feet Sunday, dropping
to around 5000 to 6000 Monday. Heaviest snow is expected late
Sunday night into Monday morning. Lull in activity expected on
Tuesday, followed by a colder, stronger system by mid-week.

What to do: Check the latest road conditions from Caltrans online at quickmap.dot.ca.gov or dial 5 1 1.

Map data: NWS, OpenFreeMap, OpenStreetMap

Recent alerts in Shasta County

IssuedAlertArea
Nov 14, 1:55 PM ESTWinter Weather AdvisoryLassen Volcanic National Park; Sierra Nevada of Sierra-Nevada-Placer Counties Above 5000 ft Including Interstate 80; Sierra Nevada of El Dor

Shasta County alert history

Alert events that included Shasta County or its forecast zones, from the NWS warning archive.

Alert type2016–20252026Last issued
Winter Weather Advisory800March 5, 2025
Winter Storm Warning561February 16, 2026
Flood Advisory421January 4, 2026
Winter Storm Watch391February 16, 2026
Flood Watch361January 3, 2026
Red Flag Warning265October 11, 2026
Wind Advisory223November 13, 2026
Heat Advisory214October 3, 2026
Severe Thunderstorm Warning194May 3, 2026
Fire Weather Watch183September 12, 2026
Extreme Heat Watch170May 30, 2025
Extreme Heat Warning151June 14, 2026
Flood Warning120December 22, 2025
Frost Advisory60April 5, 2023
Flash Flood Warning50December 22, 2025
Freeze Watch40November 19, 2024
Freeze Warning40November 19, 2024
Tornado Warning30January 4, 2025
High Wind Warning30March 14, 2023
High Wind Watch30March 14, 2023
Cold Weather Advisory01February 20, 2026

Tornado history

No tornadoes are recorded in Shasta County in the NOAA Storm Prediction Center database since 1950.

About Shasta County

Neighboring counties