Weather Alerts Map

Siskiyou County weather alerts

1 advisory is in effect for Siskiyou County, CA. The most serious is a wind advisory.

Since 2016 the National Weather Service has issued about 1,360 alerts that included Siskiyou County, roughly 136 a year. The most common is the winter weather advisory (208 from 2016 to 2025). No tornado warnings were recorded here in that period. 1 tornadoes have touched down in the county since 1950.

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

Active alerts for Siskiyou County

Wind Advisory

Central Siskiyou CountyUntil · NWS Medford OR

WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST SUNDAY

Full alert text
* WHAT...South winds 25 to 35 mph with gusts up to 55 mph expected.

* WHERE...Most of the Shasta Valley in central Siskiyou County. This
includes portions of Interstate 5 as well as the communities of
Weed, Gazelle, Grenada and Montague.

* WHEN...From noon today to 1 PM PST Sunday. Winds will be strongest
tonight.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.

* ADDITIONAL DETAILS...Highways running west to east will be exposed
to tough driving conditions given the strong southerly wind speeds.

What to do: Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. People are urged to secure loose objects, including large or inflatable holiday decorations that could be blown around or damaged by the wind.

Map data: NWS, OpenFreeMap, OpenStreetMap

Recent alerts in Siskiyou County

IssuedAlertArea
Nov 14, 4:15 AM ESTWind AdvisoryCentral Siskiyou County

Siskiyou County alert history

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

Alert type2016–20252026Last issued
Winter Weather Advisory2086April 20, 2026
Wind Advisory1959November 14, 2026
Red Flag Warning1149August 31, 2026
Winter Storm Warning1123February 22, 2026
Severe Thunderstorm Warning1027September 17, 2026
Winter Storm Watch893February 22, 2026
Fire Weather Watch835August 31, 2026
High Wind Warning813November 13, 2026
High Wind Watch690January 3, 2026
Flood Watch461February 24, 2026
Freeze Warning425October 12, 2026
Heat Advisory375August 8, 2026
Frost Advisory354June 10, 2026
Flood Advisory300August 26, 2025
Freeze Watch245October 12, 2026
Extreme Heat Watch210August 10, 2025
Extreme Heat Warning200August 22, 2025
Flash Flood Warning180July 28, 2025
Dense Fog Advisory180December 12, 2025
Flood Warning90February 2, 2025
Cold Weather Advisory41February 20, 2026
Ice Storm Warning10December 8, 2016
Blizzard Warning10January 27, 2021
Severe Thunderstorm Watch10August 17, 2024

Tornado history in Siskiyou County

1 tornadoes have been recorded in Siskiyou County since 1950. That ranks 44 of 58 counties in California. The most recent was on May 22, 1958 (rated F1).

EF0: 0EF0EF1: 1EF11EF2: 0EF2EF3: 0EF3EF4: 0EF4EF5: 0EF5
Tornadoes by (E)F rating

Strongest tornadoes in Siskiyou County

DateRatingCountyPath lengthWidthDeathsInjuries
May 22, 1958F1Siskiyou County2.7 mi50 yd00

Most recent tornadoes

DateRatingCountyPath lengthWidthDeathsInjuries
May 22, 1958F1Siskiyou County2.7 mi50 yd00

California tornado history and map →

About Siskiyou County

Neighboring counties