| NWS Forecast for: North Bay Interior Valleys Issued by: National Weather Service San Francisco Bay Area/Monterey, CA Last Update: 602 AM PST Wed Dec 24 2025 |  |
Today: Mostly cloudy. Breezy. Patchy fog in the morning. A chance of showers and a slight chance of thunderstorms. Some thunderstorms may be severe with heavy rainfall. Highs in the 50s. South winds 20 to 30 mph...becoming southeast 10 to 20 mph in the afternoon. Tonight: Breezy. Showers and a slight chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Lows in the mid 40s to lower 50s. Southeast winds 20 to 30 mph. Gusts up to 45 mph increasing to 60 mph after midnight. Christmas Day: Breezy. Patchy dense fog in the morning. Showers and a slight chance of thunderstorms. Some thunderstorms may be severe with heavy rainfall. Highs in the 40s to upper 50s. South winds 20 to 30 mph. Gusts up to 50 mph in the morning. Thursday Night: Breezy. Showers and a slight chance of thunderstorms. Patchy fog after midnight. Some thunderstorms may be severe with heavy rainfall. Lows in the 40s to lower 50s. South winds 20 to 30 mph decreasing to 10 to 20 mph after midnight. Friday: Patchy fog. Showers in the morning. A slight chance of thunderstorms. Showers likely in the afternoon. Some thunderstorms may produce heavy rainfall. Highs in the 40s to upper 50s. South winds 10 to 20 mph. Friday Night: Areas of fog. Showers likely and a slight chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Lows in the lower to mid 40s. Saturday: Mostly cloudy in the morning then becoming partly cloudy. Areas of fog. A slight chance of showers. Highs in the upper 40s to mid 50s. Saturday Night: Mostly clear except patchy fog. Lows in the mid 30s to lower 40s. Sunday: Partly cloudy in the morning then becoming sunny. Highs in the mid 40s to upper 50s. Sunday Night: Mostly clear except patchy fog and frost. Lows in the 30s to lower 40s. Monday And Monday Night: Mostly clear. Highs in the upper 40s to lower 60s. Lows in the 30s to mid 40s. Tuesday: Partly cloudy in the morning then becoming sunny. Patchy fog. Highs in the upper 40s to lower 60s. | |
| Zone Forecast: North Bay Interior Valleys | |
Visit your local NWS office at: https://www.weather.gov/mtr |