Storm Brings Rain and Snow to the Southwest U.S. this weekend; Heavy Snow and Rain for Alaska

A storm will pass through the southwestern U.S. this weekend with widespread rain and mountain snow. Rainfall will be mostly beneficial but poses a risk for dangerous debris flows over recent burn scars. A significant winter storm will impact Alaska through the weekend with heavy snow across western Alaska and heavy rainfall across Southcentral with strong winds and marine/coastal impacts. Read More >

Current conditions at

Mt. Diablo (SJS02)

Lat: 37.881698°NLon: 121.914155°WElev: 3849.0ft.

NA

34°F

1°C

Humidity 55%
Wind Speed WNW 6 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility NA
Wind Chill29°F (-2°C)
Last update 25 Jan 04:55 PM PST
Extended Forecast for

3 Miles ESE Danville CA

Freeze Watch January 27, 01:00am until January 29, 09:00am
Click here for hazard details and duration
Freeze Watch
  • This Afternoon

    This Afternoon: A 40 percent chance of showers.  Partly sunny, with a high near 52. Northwest wind 3 to 7 mph.

    High: 52 °F

    Chance
    Showers

  • Tonight

    Tonight: A 40 percent chance of showers.  Mostly cloudy, with a low around 36. Light and variable wind becoming east northeast 5 to 10 mph after midnight.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers.  Mostly cloudy, then gradually becoming sunny, with a high near 55. East northeast wind 8 to 13 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 33. North wind 5 to 8 mph becoming calm  in the evening.

    Low: 33 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 59. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 59 °F

    Sunny

  • Monday Night

    Monday Night: Patchy frost after 2am.  Otherwise, clear, with a low around 32.

    Low: 32 °F

    Clear then
    Patchy Frost

  • Tuesday

    Tuesday: Areas of frost before 8am.  Otherwise, sunny, with a high near 59.

    High: 59 °F

    Areas Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Areas of frost after 4am.  Otherwise, mostly clear, with a low around 34.

    Low: 34 °F

    Clear then
    Areas Frost

  • Wednesday

    Wednesday: Areas of frost before 8am.  Otherwise, sunny, with a high near 59.

    High: 59 °F

    Areas Frost
    then Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers. Partly sunny, with a high near 52. Northwest wind 3 to 7 mph.
Tonight
A 40 percent chance of showers. Mostly cloudy, with a low around 36. Light and variable wind becoming east northeast 5 to 10 mph after midnight. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A 20 percent chance of showers. Mostly cloudy, then gradually becoming sunny, with a high near 55. East northeast wind 8 to 13 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Mostly clear, with a low around 33. North wind 5 to 8 mph becoming calm in the evening.
Monday
Sunny, with a high near 59. Calm wind becoming north northwest around 5 mph in the afternoon.
Monday Night
Patchy frost after 2am. Otherwise, clear, with a low around 32.
Tuesday
Areas of frost before 8am. Otherwise, sunny, with a high near 59.
Tuesday Night
Areas of frost after 4am. Otherwise, mostly clear, with a low around 34.
Wednesday
Areas of frost before 8am. Otherwise, sunny, with a high near 59.
Wednesday Night
Patchy fog after 4am. Patchy frost after 3am. Otherwise, mostly clear, with a low around 35.
Thursday
Areas of fog. Patchy frost. Otherwise, mostly sunny, with a high near 59.
Thursday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 40.
Friday
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 57.
Friday Night
Rain likely. Mostly cloudy, with a low around 42.
Saturday
A chance of rain. Partly sunny, with a high near 58.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Danville CA
 37.8°N 121.96°W (Elev. 604 ft)
12:50 pm PST Jan 25, 2025
4pm PST Jan 25, 2025-6pm PST Feb 1, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database