| NWS Forecast for: North Bay Interior Valleys Issued by: National Weather Service San Francisco Bay Area/Monterey, CA Last Update: 902 PM PDT Tue Apr 21 2026 |  |
| Rest Of Tonight: Partly cloudy late in the evening then becoming mostly cloudy. Patchy fog after midnight. A chance of showers and a slight chance of thunderstorms after midnight. Some thunderstorms may produce small hail after midnight. Lows in the 40s to lower 50s. Southwest winds 5 to 10 mph...becoming south after midnight. Wednesday: Mostly cloudy in the morning then becoming partly cloudy. Patchy fog in the morning. A chance of showers and a slight chance of thunderstorms. Some thunderstorms may produce small hail. Highs in the upper 50s to mid 60s. East winds up to 5 mph...becoming south in the afternoon. Wednesday Night: Mostly clear except patchy fog after midnight. Lows in the 40s to lower 50s. Northwest winds up to 5 mph. Thursday: Sunny. Patchy fog in the morning. Highs in the 60s to mid 70s. Northwest winds up to 5 mph...becoming west in the afternoon. Thursday Night: Mostly clear in the evening then becoming partly cloudy. Patchy fog after midnight. Lows in the 40s to lower 50s. West winds 5 to 10 mph. Friday: Mostly cloudy. Areas of fog. Highs in the 60s to lower 70s. Friday Night And Saturday: Mostly cloudy. Lows in the mid 40s to lower 50s. Highs in the upper 50s to mid 60s. Saturday Night Through Monday Night: Partly cloudy. Lows in the 40s to lower 50s. Highs in the 50s to upper 60s. Tuesday: Partly cloudy. A slight chance of rain. Highs in the 60s to lower 70s. | |
| Zone Forecast: North Bay Interior Valleys | |
Visit your local NWS office at: https://www.weather.gov/mtr |