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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, 11/17 12:19am | Severity: Minor | |
| Updated: November 17, 2025 1:31 am | Urgency: Expected | |
| Expires: Mon, 11/17 3:15am | Certainty: Likely | |
| Areas Affected: Marin, CA - Napa, CA - Sonoma, CA | ||
Alert
Details:
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of northern California, including the following counties, northern Marin, Napa and Sonoma. * WHEN...Until 315 AM PST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 1219 AM PST, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 0.5 and 1 inch of rain has fallen. - Additional rainfall amounts of 1 to 2 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Santa Rosa, Napa, Petaluma, Novato, Rohnert Park, Windsor, American Canyon, Healdsburg, Sonoma, Sebastopol, Cotati, St. Helena, Calistoga, South Santa Rosa Cdp, Roseland, Larkfield- Wikiup, Boyes Hot Springs, Black Point-Green Point, Tomales and Dillon Beach. - http://www.weather.gov/safety/flood Information: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. Be aware of your surroundings and do not drive on flooded roads. |
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| Los Angeles County | ||
| Effective: Sun, 11/16 11:45pm | Severity: Minor | |
| Updated: November 17, 2025 1:31 am | Urgency: Expected | |
| Expires: Mon, 11/17 2:45am | Certainty: Likely | |
| Areas Affected: Marin, CA | ||
Alert
Details:
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of northern California, including the following county, southeastern Marin. * WHEN...Until 245 AM PST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 1144 PM PST, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 0.5 and 1 inch of rain has fallen. - Additional rainfall amounts up to 1 inch are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... San Rafael, Novato, Mill Valley, San Anselmo, Larkspur, Corte Madera, Tiburon, Fairfax, Sausalito, San Geronimo, Lucas Valley-Marinwood, Kentfield, Stinson Beach, Muir Beach, Tamalpais-Homestead, Tamalpais-Homestead Valley, Black Point- Green Point, Strawberry, Point Reyes Station and Ross. - http://www.weather.gov/safety/flood Information: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. Be aware of your surroundings and do not drive on flooded roads. |
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| Marin County | ||
| Effective: Mon, 11/17 12:19am | Severity: Minor | |
| Updated: November 17, 2025 1:31 am | Urgency: Expected | |
| Expires: Mon, 11/17 3:15am | Certainty: Likely | |
| Areas Affected: Marin, CA - Napa, CA - Sonoma, CA | ||
Alert
Details:
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of northern California, including the following counties, northern Marin, Napa and Sonoma. * WHEN...Until 315 AM PST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 1219 AM PST, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 0.5 and 1 inch of rain has fallen. - Additional rainfall amounts of 1 to 2 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Santa Rosa, Napa, Petaluma, Novato, Rohnert Park, Windsor, American Canyon, Healdsburg, Sonoma, Sebastopol, Cotati, St. Helena, Calistoga, South Santa Rosa Cdp, Roseland, Larkfield- Wikiup, Boyes Hot Springs, Black Point-Green Point, Tomales and Dillon Beach. - http://www.weather.gov/safety/flood Information: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. Be aware of your surroundings and do not drive on flooded roads. |
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| Marin County | ||
| Effective: Sun, 11/16 11:45pm | Severity: Minor | |
| Updated: November 17, 2025 1:31 am | Urgency: Expected | |
| Expires: Mon, 11/17 2:45am | Certainty: Likely | |
| Areas Affected: Marin, CA | ||
Alert
Details:
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of northern California, including the following county, southeastern Marin. * WHEN...Until 245 AM PST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 1144 PM PST, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 0.5 and 1 inch of rain has fallen. - Additional rainfall amounts up to 1 inch are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... San Rafael, Novato, Mill Valley, San Anselmo, Larkspur, Corte Madera, Tiburon, Fairfax, Sausalito, San Geronimo, Lucas Valley-Marinwood, Kentfield, Stinson Beach, Muir Beach, Tamalpais-Homestead, Tamalpais-Homestead Valley, Black Point- Green Point, Strawberry, Point Reyes Station and Ross. - http://www.weather.gov/safety/flood Information: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. Be aware of your surroundings and do not drive on flooded roads. |
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