California weather alerts

6 alerts in effect now and 5 alerts in the past week, from the National Weather Service.

In effect now

• Frost Advisory: Northwestern Interior Mendocino, Northeastern Interior Mendocino and Northern Lake, CaliforniaIn effect until 9:00 AM PST, Tuesday, November 3, 2026
• Lake Wind Advisory: Greater Lake Tahoe Area and Greater Lake Tahoe Area, CaliforniaIn effect until 4:00 PM PST, Tuesday, November 3, 2026
• Beach Hazards Statement: San Francisco, Coastal North Bay Including Point Reyes National Seashore and San Francisco Peninsula Coast, California, and 2 more areasIn effect until 8:00 PM PST, Tuesday, November 3, 2026
• Beach Hazards Statement: Ventura County Beaches, Malibu Coast and Los Angeles County Beaches, CaliforniaIn effect until 6:00 PM PST, Monday, November 2, 2026
• Beach Hazards Statement: San Diego County Coastal Areas and Orange County Coastal, CaliforniaIn effect until 6:00 PM PST, Monday, November 2, 2026
• Beach Hazards Statement: Coastal Del Norte, Northern Coastal Humboldt and Southwestern Humboldt, California, and 1 more areaIn effect until 10:00 PM PST, Monday, November 2, 2026

Past week

Monday, November 2, 2026

• Frost Advisory: Northwestern Interior Mendocino, Northeastern Interior Mendocino and Northern Lake, CaliforniaNovember 2, 2026, 10:41 AM PST

Sunday, November 1, 2026

• Frost Advisory: Southeastern Interior Humboldt, Northwestern Interior Mendocino and Northeastern Interior Mendocino, California, and 1 more areaNovember 1, 2026, 3:36 PM PST
• Dense Fog Advisory: Merced - Madera - Mendota, West Side of Fresno and Kings Counties and Caruthers - San Joaquin - Selma, California, and 6 more areasNovember 1, 2026, 2:58 PM PST
• Coastal Flood Advisory: North Bay Interior Valleys and San Francisco Bay Shoreline, CaliforniaNovember 1, 2026, 2:25 PM PST
• Flood Watch: Northwest Plateau, Lake Havasu and Fort Mohave and Lake Mead - AZ side, Arizona, and 8 more areasNovember 1, 2026, 2:36 PM MST