Major Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold in the North-Central U.S.

A large, long-duration winter storm is expected to bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies/Plains into the Mid-South beginning Friday, spreading eastward to the Mid-Atlantic and New England this weekend. An Arctic front will bring frigid temperatures and gusty winds that will lead to dangerous wind chills from the Northern Plains and Upper Midwest. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

52°F

11°C

Humidity 66%
Wind Speed SSE 1 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 22 Jan 02:20 PM PST
Extended Forecast for

7 Miles ENE Danville CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 59. West northwest wind around 5 mph.

    High: 59 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 44. Southwest wind 6 to 8 mph.

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 55. West northwest wind around 7 mph becoming northeast in the morning.

    High: 55 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 41. Northwest wind 6 to 9 mph.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 55. North wind 14 to 16 mph, with gusts as high as 26 mph.

    High: 55 °F

    Sunny

  • Saturday Night

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

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 59. West northwest wind around 5 mph.
Tonight
Mostly clear, with a low around 44. Southwest wind 6 to 8 mph.
Friday
Sunny, with a high near 55. West northwest wind around 7 mph becoming northeast in the morning.
Friday Night
Mostly clear, with a low around 41. Northwest wind 6 to 9 mph.
Saturday
Sunny, with a high near 55. North wind 14 to 16 mph, with gusts as high as 26 mph.
Saturday Night
Mostly clear, with a low around 38.
Sunday
Partly sunny, with a high near 53.
Sunday Night
Mostly cloudy, with a low around 42.
Monday
Mostly sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Partly sunny, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 45.
Wednesday
A chance of rain. Mostly cloudy, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles ENE Danville CA
 37.83°N 121.88°W (Elev. 1913 ft)
1:19 pm PST Jan 22, 2026
2pm PST Jan 22, 2026-6pm PST Jan 28, 2026
 
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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