Siskiyou County Storm Activity
Wind, hail, and tornado activity from official NOAA sources (NWS & SPC) · Last 12 months · Updated Sep 12, 2026
Looking for storm and wind reports in Siskiyou County, California? Official National Weather Service (NWS) and Storm Prediction Center (SPC) records show 26 severe weather events in the last 12 months — 20 high-wind reports with gusts up to 60 mph, plus 6 hail reports with hail up to 0.75". The most recent recorded storm activity was on May 4, 2026. This page updates daily: every event comes straight from official NOAA data — no estimates, no modeling, just the record.
What the radar showed
Check an address in Siskiyou County for storm exposure
See address-level storm activity — verified reports and warning boundaries around any specific property. Free account, takes under a minute.
Check an address free →Storm log — the official record, day by day
Events older than 30 days, as recorded by the National Weather Service and Storm Prediction Center. Excerpts are quoted directly from official warnings and verified reports.
Monday, May 4, 2026
2 NWS warnings — hail up to 0.5"
“At 448 PM PDT, Doppler radar was tracking a strong thunderstorm near Topsy Campground, or 12 miles west of Klamath Falls, moving southwest at 25 mph. Hazard: Winds in excess of 40 mph and half inch hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include...”
“At 416 PM PDT, Doppler radar was tracking a strong thunderstorm 7 miles north of Juanita Lake Campground, or 27 miles northeast of Yreka, moving southwest at 15 mph. Hazard: Winds in excess of 30 mph and pea size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include...”
- Hail 0.5" Siskiyou County NWS severe weather mention
- Hail 0.25" Siskiyou County NWS severe weather mention
Monday, April 20, 2026
5 NWS warnings — wind gusts up to 60 mph
“WHAT...South winds 25 to 40 mph with gusts up to 60 mph are expected. WHERE...The Shasta Valley in Central Siskiyou County. This includes the portion of Interstate 5 from Weed to Hilt, including the cities of Yreka, Grenada, and Montague. WHEN...Until 6 PM PDT this evening. IMPACTS...High winds may move loose debris, damage property and cause power outages.”
“WHAT...South winds 25 to 40 mph with gusts up to 60 mph are expected. WHERE...The Shasta Valley in Central Siskiyou County. This includes the portion of Interstate 5 from Weed to Hilt, including the cities of Yreka, Grenada, and Montague. WHEN...Until 6 PM PDT this evening. IMPACTS...High winds may move loose debris, damage property and cause power outages.”
- Wind 60 mph Siskiyou County NWS severe weather mention
- Wind 60 mph Siskiyou County NWS severe weather mention
- Wind 50 mph Siskiyou County NWS severe weather mention
- Wind 50 mph Siskiyou County NWS severe weather mention
- Wind 50 mph Siskiyou County NWS severe weather mention
Sunday, April 19, 2026
2 NWS warnings — wind gusts up to 50 mph
“WHAT...South winds 25 to 35 mph with gusts up to 50 mph are expected. WHERE...The Shasta Valley in Central Siskiyou County. This includes the portion of Interstate 5 from Weed to Hilt, including the cities of Yreka, Grenada, and Montague. WHEN...From 8 AM to 6 PM PDT Monday. IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result.”
“WHAT...South winds 25 to 35 mph with gusts up to 50 mph are expected. WHERE...The Shasta Valley in Central Siskiyou County. This includes the portion of Interstate 5 from Weed to Hilt, including the cities of Yreka, Grenada, and Montague. WHEN...From 8 AM to 6 PM PDT Monday. IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result.”
- Wind 50 mph Siskiyou County NWS severe weather mention
- Wind 50 mph Siskiyou County NWS severe weather mention
Thursday, April 9, 2026
3 NWS warnings — hail up to 0.75"
“At 233 PM PDT, Doppler radar was tracking a strong thunderstorm 7 miles southeast of Bolan Lake Campground, or 11 miles north of Happy Camp, moving north at 25 mph. Hazard: Winds around 30 mph and penny size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include...”
“At 359 PM PDT, Doppler radar was tracking a strong thunderstorm 9 miles south of Copco Lake, or 17 miles northeast of Yreka, moving north at 20 mph. Hazard: Winds in excess of 40 mph and half inch hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include...”
- Hail 0.75" Siskiyou County NWS severe weather mention
- Hail 0.5" Siskiyou County NWS severe weather mention
- Hail 0.25" Siskiyou County NWS severe weather mention
Tuesday, February 24, 2026
1 NWS warning — wind gusts up to 55 mph
“WHAT...South winds 25 to 35 mph with gusts up to 55 mph. WHERE...The southern and central Shasta Valley in Siskiyou County, including Weed, Gazelle, Grenada, and portions of the Interstate 5 corridor. WHEN...Until 4 PM PST this afternoon. IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result.”
- Wind 55 mph Siskiyou County NWS severe weather mention
Monday, February 23, 2026
1 NWS warning — wind gusts up to 55 mph
“WHAT...South winds 25 to 35 mph with gusts up to 55 mph expected. WHERE...The southern and central Shasta Valley in Siskiyou County, including Weed, Gazelle, Grenada, and portions of the Interstate 5 corridor. WHEN...From 7 PM this evening to 4 PM PST Tuesday. IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result.”
- Wind 55 mph Siskiyou County NWS severe weather mention
Sunday, February 22, 2026
3 NWS warnings — wind gusts up to 55 mph
“WHAT...South winds 25 to 35 mph with gusts up to 55 mph expected. WHERE...The Shasta Valley in central Siskiyou County, including I-5 from Grenada to Gazelle and Weed as well as Montague. Highest winds will be near Weed and Gazelle. WHEN...Until 7 PM PST this evening. IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result.”
“WHAT...South winds 25 to 35 mph with gusts up to 55 mph expected. WHERE...The Shasta Valley in central Siskiyou County, including I-5 from Grenada to Gazelle and Weed as well as Montague. Highest winds will be near Weed and Gazelle. WHEN...Until 7 PM PST this evening. IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result.”
- Wind 55 mph Siskiyou County NWS severe weather mention
- Wind 55 mph Siskiyou County NWS severe weather mention
- Wind 55 mph Siskiyou County NWS severe weather mention
Saturday, February 21, 2026
3 NWS warnings — wind gusts up to 55 mph
“WHAT...South winds 25 to 35 mph with gusts up to 55 mph expected. WHERE...The Shasta Valley in central Siskiyou County, including I-5 from Grenada to Gazelle and Weed as well as Montague. Highest winds will be near Weed and Gazelle. WHEN...Until 7 PM PST Sunday. IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result.”
“WHAT...South winds 25 to 35 mph with gusts up to 55 mph expected. WHERE...The Shasta Valley in central Siskiyou County, including I-5 from Grenada to Gazelle and Weed as well as Montague. Highest winds will be near Weed and Gazelle. WHEN...Until 7 PM PST Sunday. IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result.”
- Wind 55 mph Siskiyou County NWS severe weather mention
- Wind 55 mph Siskiyou County NWS severe weather mention
- Wind 55 mph Siskiyou County NWS severe weather mention
Friday, February 20, 2026
2 NWS warnings — wind gusts up to 55 mph
“WHAT...South winds 25 to 35 mph with gusts up to 55 mph expected. WHERE...The Shasta Valley in central Siskiyou County, including I-5 from Grenada to Gazelle and Weed as well as Montague. Highest winds will be near Weed and Gazelle. WHEN...From 1 AM Saturday to 7 PM PST Sunday. IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result.”
“WHAT...South winds 25 to 35 mph with gusts up to 55 mph expected. WHERE...The Shasta Valley in central Siskiyou County, including I-5 from Grenada to Gazelle and Weed as well as Montague. Highest winds will be near Weed and Gazelle. WHEN...From 1 AM Saturday to 7 PM PST Sunday. IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result.”
- Wind 55 mph Siskiyou County NWS severe weather mention
- Wind 55 mph Siskiyou County NWS severe weather mention
Wednesday, December 24, 2025
1 NWS warning — wind gusts up to 60 mph
“WHAT...Strong winds and heavy snow expected. Strong winds ease this morning, then increase again tonight into Thursday, at 30 to 40 mph with gusts of 50 to 60 mph. Snow levels will remain high before lowering to 4500 ft later today. Heavy snow expected above 4500 ft with additional snow accumulations of 8 to 16 inches. Above 5500 feet, 1 to 3 feet of snow expected.”
- Wind 60 mph Siskiyou County NWS severe weather mention
Tuesday, December 23, 2025
2 NWS warnings — wind gusts up to 60 mph
“WHAT...Strong winds and heavy snow expected. Strong winds will impact the area overnight into Wednesday morning with south winds 30 to 40 mph and gusts of 50 to 60 mph, except winds gusting as high as 80 mph over high and exposed terrain. South winds ease late Wednesday morning, then increase again Wednesday night into Thursday, at 30 to 40 mph with gusts of 50 to 60 mph.”
“WHAT...Strong winds and heavy snow expected. Strong winds will first impact the area tonight into early Wednesday with south winds 30 to 40 mph with gusts of 50 to 60 mph. Winds gusting as high as 70 to 80 mph over high and exposed terrain. Winds ease Wednesday morning, then increase again Wednesday night into Thursday, 30 to 40 mph with gusts of 50 to 60 mph.”
- Wind 60 mph Siskiyou County NWS severe weather mention
- Wind 60 mph Siskiyou County NWS severe weather mention
Friday, September 19, 2025
1 NWS warning — hail up to 0.5"
“At 703 PM PDT, Doppler radar was tracking a strong thunderstorm near Etna, or 26 miles southwest of Yreka, moving southwest at 15 mph. Hazard: Winds in excess of 40 mph and half inch hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Areas west and southwest of Etna.”
- Hail 0.5" Siskiyou County NWS severe weather mention
Today's severe weather outlook
Common questions
When was the last severe storm in Siskiyou County, CA?
The most recent recorded event was on May 4, 2026. Official NWS and SPC records show 26 severe weather events in Siskiyou County over the last 12 months. Exact dates and locations for recent storms are available in the app with a free account.
Has there been hail in Siskiyou County recently?
Yes — 6 hail reports in the last 12 months, with hail up to 0.75" recorded.
How do I check whether a specific address was affected?
Create a free IDOLCheck account and run an address check. It shows verified storm reports and official NWS warning boundaries around any specific property — county-level pages like this one only tell part of the story.