Severe Thunderstorm Warning Issued for Orange, Riverside, and San Bernardino Counties
This alert is no longer in effect.
NOAA issued it on April 6, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
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The National Weather Service has issued a Severe Thunderstorm Warning for parts of Southern California until 2:30 AM PST, with 60 mph wind gusts expected.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm Warning
- Affected area
- Southern California
- Issued
- April 6, 2026
- Issuing authority
- NWS San Diego
Storm notices can cover different combinations of wind, hail, lightning, and rainfall. Use the original notice for the hazards and boundaries attached to this specific record.
Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Southern California.
Alert Details
The National Weather Service in San Diego has issued a Severe Thunderstorm Warning for portions of Southern California. The alert was issued at 1:26 AM PST on February 18, 2026, and is effective immediately.
Affected Areas
The warning covers the following geographic regions in Southern California:
- Orange County
- Riverside County
- San Bernardino County
Specific locations impacted include Anaheim, Santa Ana, Riverside, Irvine, Fontana, Moreno Valley, Huntington Beach, Garden Grove, Ontario, Corona, Orange, Fullerton, Costa Mesa, Rialto, Mission Viejo, Chino, Tustin, Yorba Linda, Stanton, and Seal Beach.
What You Should Do
For your protection, move to an interior room on the lowest floor of a building. Residents should stay away from windows and remain indoors until the storm has passed.
Expected Conditions
- Hazard: 60 mph wind gusts.
- Source: Radar indicated.
- Impact: Expect damage to roofs, siding, and trees.
Timeline
The warning is in effect until 2:30 AM PST on February 18, 2026. At 1:24 AM PST, a band of severe thunderstorms was located near the Los Angeles-Orange County line moving slowly southeast. The system is expected to move through northern Orange County and the northwest Inland Empire through the duration of the warning period.
Original source: NOAA Official Notice ↗
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