U.S. state
California
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Weather alerts
Active National Weather Service alertsSevereExtreme Heat WatchExtreme Heat Watch issued September 30 at 1:41PM PDT until October 7 at 9:00PM PDT by NWS San Diego CA · San Diego County Coastal Areas; San Bernardino and Riverside County Valleys-The Inland Empire; San Diego County Inland Valleys; Santa Ana Mountains and Foothills; Orange County… · 30 Sept 2026 until 1 Oct 2026Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.SevereExtreme Heat WatchExtreme Heat Watch issued September 30 at 9:46AM PDT until October 8 at 8:00PM PDT by NWS Los Angeles/Oxnard CA · Catalina and Santa Barbara Islands; Santa Clarita Valley; Ventura County Beaches; Ventura County Inland Coast; Lake Casitas; Ojai Valley; Central Ventura County Valleys; Malibu… · 30 Sept 2026 until 2 Oct 2026Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter…SevereExtreme Heat WatchExtreme Heat Watch issued September 30 at 9:46AM PDT until October 8 at 8:00PM PDT by NWS Los Angeles/Oxnard CA · Cuyama Valley; Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Santa Ynez Mountains Western Range; Santa Ynez Mountains Eastern Range; Santa… · 30 Sept 2026 until 2 Oct 2026Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter…ModerateBeach Hazards StatementBeach Hazards Statement issued September 29 at 1:45PM PDT until September 30 at 5:00PM PDT by NWS Los Angeles/Oxnard CA · Catalina and Santa Barbara Islands; Ventura County Beaches; Malibu Coast; Los Angeles County Beaches · 29 Sept 2026 until 1 Oct 2026Remain out of the water due to hazardous swimming conditions, or stay near occupied lifeguard towers. Rock jetties can be deadly in such conditions, stay off the rocks.ModerateBeach Hazards StatementBeach Hazards Statement issued September 29 at 1:45PM PDT until September 30 at 5:00PM PDT by NWS Los Angeles/Oxnard CA · Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast · 29 Sept 2026 until 1 Oct 2026Remain out of the water due to hazardous swimming conditions, or stay near occupied lifeguard towers. Rock jetties can be deadly in such conditions, stay off the rocks.MinorCoastal Flood AdvisoryCoastal Flood Advisory issued September 30 at 3:46PM PDT until October 1 at 5:00PM PDT by NWS San Francisco CA · San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast · 30 Sept 2026 until 2 Oct 2026If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.MinorCoastal Flood AdvisoryThe Coastal Flood Advisory has been cancelled. · San Diego County Coastal Areas; Orange County Coastal · 30 Sept 2026 until 30 Sept 2026Source: National Weather Service
Agency pages are the state links published by USA.gov.
Official links
Weather alerts refresh about every 15 minutes. FEMA declarations about every 6 hours. Checked 30 Sept 2026.