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NOAA's National Weather Service
Each location shows all alerts on one page
WARNINGS - WATCHES - ADVISORIES - STATEMENTS
Updates every 15 Minutes
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| Los Angeles County | ||
| Effective: Mon, 1/12 1:32pm | Severity: Moderate | |
| Updated: January 12, 2026 3:30 pm | Urgency: Expected | |
| Expires: Mon, 1/12 9:45pm | Certainty: Likely | |
| Areas Affected: North Bay Interior Valleys - East Bay Interior Valleys - Southern Salinas Valley/Arroyo Seco and Lake San Antonio - Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park | ||
Alert
Details:
* WHAT...Cold conditions with temperatures between 33 and 36 expected. Some outlying regions of the North Bay, East Bay, and extreme interior Central Coast may see temperatures as low as 30 degrees. * WHERE...Interior valleys of the North and East Bay, the Southern Salinas Valley, and interior portions of the Central Coast. * WHEN...From 1 AM to 9 AM PST Tuesday. * IMPACTS...Cold conditions will be hazardous to sensitive populations such as unhoused individuals. Prolonged exposure to the cold conditions will lead to hypothermia for people, pets, and livestock. Cold conditions may damage or kill sensitive crops, plants, and vegetation if appropriate precautions are not taken. * ADDITIONAL DETAILS...Conditions in the far southern Salinas Valley will be colder with temperatures in the low 30s. Information: Cover or tend to sensitive crops, plants, and vegetation. Ensure portable heaters are working properly and are used correctly to avoid sparking a fire indoors. Do not use generators or grills inside as carbon monoxide poisoning can result. Check with your local, city, or county officials for information on available warming centers. |
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| Marin County | ||
| Effective: Mon, 1/12 1:32pm | Severity: Moderate | |
| Updated: January 12, 2026 3:30 pm | Urgency: Expected | |
| Expires: Mon, 1/12 9:45pm | Certainty: Likely | |
| Areas Affected: North Bay Interior Valleys - East Bay Interior Valleys - Southern Salinas Valley/Arroyo Seco and Lake San Antonio - Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park | ||
Alert
Details:
* WHAT...Cold conditions with temperatures between 33 and 36 expected. Some outlying regions of the North Bay, East Bay, and extreme interior Central Coast may see temperatures as low as 30 degrees. * WHERE...Interior valleys of the North and East Bay, the Southern Salinas Valley, and interior portions of the Central Coast. * WHEN...From 1 AM to 9 AM PST Tuesday. * IMPACTS...Cold conditions will be hazardous to sensitive populations such as unhoused individuals. Prolonged exposure to the cold conditions will lead to hypothermia for people, pets, and livestock. Cold conditions may damage or kill sensitive crops, plants, and vegetation if appropriate precautions are not taken. * ADDITIONAL DETAILS...Conditions in the far southern Salinas Valley will be colder with temperatures in the low 30s. Information: Cover or tend to sensitive crops, plants, and vegetation. Ensure portable heaters are working properly and are used correctly to avoid sparking a fire indoors. Do not use generators or grills inside as carbon monoxide poisoning can result. Check with your local, city, or county officials for information on available warming centers. |
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| Los Angeles County | ||
| Effective: Mon, 1/12 5:54am | Severity: Moderate | |
| Updated: January 12, 2026 3:30 pm | Urgency: Expected | |
| Expires: Mon, 1/12 7:00pm | Certainty: Likely | |
| Areas Affected: San Francisco - Coastal North Bay Including Point Reyes National Seashore - San Francisco Peninsula Coast - Northern Monterey Bay - Southern Monterey Bay and Big Sur Coast | ||
Alert
Details:
* WHAT...Hazardous beach conditions expected with increased risk for rip currents, sneaker waves, and larger shore break. * WHERE...Pacific Coast from Sonoma county to Monterey county. * WHEN...Through 7 PM this evening. * IMPACTS...Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves. Information: Conditions are favorable for a heightened risk of sneaker waves. Stay off the rocks and NEVER turn your back on the ocean! Stay off of jetties, piers, rocks, and other waterside infrastructure. Remain out of the water to avoid hazardous surf and NEVER turn your back on the ocean. Monitor local weather, surf and tide forecasts at www.weather.gov/mtr. |
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| Marin County | ||
| Effective: Mon, 1/12 5:54am | Severity: Moderate | |
| Updated: January 12, 2026 3:30 pm | Urgency: Expected | |
| Expires: Mon, 1/12 7:00pm | Certainty: Likely | |
| Areas Affected: San Francisco - Coastal North Bay Including Point Reyes National Seashore - San Francisco Peninsula Coast - Northern Monterey Bay - Southern Monterey Bay and Big Sur Coast | ||
Alert
Details:
* WHAT...Hazardous beach conditions expected with increased risk for rip currents, sneaker waves, and larger shore break. * WHERE...Pacific Coast from Sonoma county to Monterey county. * WHEN...Through 7 PM this evening. * IMPACTS...Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves. Information: Conditions are favorable for a heightened risk of sneaker waves. Stay off the rocks and NEVER turn your back on the ocean! Stay off of jetties, piers, rocks, and other waterside infrastructure. Remain out of the water to avoid hazardous surf and NEVER turn your back on the ocean. Monitor local weather, surf and tide forecasts at www.weather.gov/mtr. |
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