Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East

A significant, long-duration winter storm will bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Widespread travel disruptions, prolonged power outages, and vast tree damage is likely. Frigid temperatures, gusty winds, and dangerous wind chills will expand from the north-central US to the Southern Plains, MS Valley, and Midwest. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.

NA

39°F

4°C

Humidity 83%
Wind Speed N 22 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Wind Chill29°F (-2°C)
Last update 24 Jan 01:05 AM PST
Extended Forecast for

4 Miles ENE Danville CA

  • Overnight

    Overnight: Mostly clear, with a low around 40. North wind 11 to 16 mph, with gusts as high as 25 mph.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 60. Windy, with a north northeast wind 21 to 30 mph, with gusts as high as 40 mph.

    High: 60 °F

    Sunny and
    Windy then
    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 36. Breezy, with a north northeast wind 14 to 24 mph, with gusts as high as 32 mph.

    Low: 36 °F

    Clear and
    Breezy then
    Mostly Clear

  • Sunday

    Sunday: Mostly cloudy, with a high near 57. East northeast wind 5 to 9 mph becoming calm.

    High: 57 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 40. North wind 11 to 16 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 60. Windy, with a north northeast wind 21 to 30 mph, with gusts as high as 40 mph.
Saturday Night
Increasing clouds, with a low around 36. Breezy, with a north northeast wind 14 to 24 mph, with gusts as high as 32 mph.
Sunday
Mostly cloudy, with a high near 57. East northeast wind 5 to 9 mph becoming calm.
Sunday Night
Mostly cloudy, with a low around 39. Calm wind.
Monday
Mostly sunny, with a high near 62.
Monday Night
Mostly clear, with a low around 38.
Tuesday
Mostly sunny, with a high near 61.
Tuesday Night
Mostly cloudy, with a low around 43.
Wednesday
A chance of rain. Mostly cloudy, with a high near 58.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Partly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Danville CA
 37.85°N 121.94°W (Elev. 1362 ft)
12:26 am PST Jan 24, 2026
1am PST Jan 24, 2026-6pm PST Jan 30, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database