Northern California

- Freeze Warning
* WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...North Bay Interior Valleys. * WHEN...From 1 AM to 9 AM PST Saturday. * IMPACTS...Cold conditions will be hazardous to sensitive populations such as unhoused individuals. Cold Conditions can lead to hypothermia with prolonged exposure.More
- Frost Advisory
* WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...The East Bay and San Francisco Bay Shoreline, Monterey Bay and the Big Sur Coast, The Santa Cruz Mountains, The Santa Clara Valley, and Northern Salinas Valley/Hollister Valley and Carmel Valley. * WHEN...From 1 AM to 9 AM PST Saturday. * IMPACTS...Cold conditions will be hazardous to sensitive populations such as unhoused individuals. Cold Conditions can lead to hypothermia with prolonged exposure.More
- Frost Advisory
* WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...The Marin Hills, Western Sonoma County Hills, and North Bay Interior Mountains. * WHEN...From 1 AM to 9 AM PST Saturday. * IMPACTS...Cold conditions will be hazardous to sensitive populations such as unhoused individuals. Cold Conditions can lead to hypothermia with prolonged exposure.More
- Freeze Warning
* WHAT...Sub-freezing temperatures as low as 26 expected. * WHERE...Interior Monterey County and the Santa Lucia Range, Most of San Benito County and the Cholame Hills in Southeast Monterey County, Eastern Santa Clara Hills, and Southern Salinas Valley/Arroyo Seco and Lake San Antonio. * WHEN...From 1 AM to 9 AM PST Saturday. * IMPACTS...Cold conditions will be hazardous to sensitive populations such as unhoused individuals. Cold Conditions can lead to hypothermia with prolonged exposure.More
- Flood Advisory
* WHAT...Small stream flooding caused by excessive rainfall is expected. * WHERE...A portion of northern California, including the following county, central Sonoma. * WHEN...Until midnight PST Friday Night. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 1154 PM PST, River gauge reports indicate minor flooding along Mark West Creek, Green Valley Creek, and Colgan Creek. Between 1 and 3 inches of rain have fallen. - Some locations that will experience flooding include... Santa Rosa, Rohnert Park, Windsor, Sebastopol, Cotati, Larkfield-Wikiup, South Santa Rosa Cdp, Forestville and Graton. - http://www.weather.gov/safety/floodMore
- Flood Watch
* WHAT...Flooding caused by full creeks and streams with additional rainfall expected. * WHERE...A portion of northern California, including Sonoma and Marin counties. * WHEN...Through Friday afternoon. * IMPACTS...Creeks and streams may rise out of their banks. Area creeks and streams are running high and could flood with more rain. * ADDITIONAL DETAILS... - Periods of rain beginning last Friday have helped saturate soils, fill area creeks/streams, and additional rain expected through this Friday will result in flooding concerns across Sonoma and Marin counties. Areas of greatest concern will be near Healdsburg, Mark West Creek near Mirabel Heights, Green Valley Creek at Martinelli Road, and Guernville. - http://www.weather.gov/safety/floodMore