Snow Squalls from the Upper Midwest to Great Lakes; High Winds in the Northern and Central Plains

An Arctic front will bring widespread snow squalls through Friday from the Upper Midwest to the Ohio Valley. Heavy snow rates and strong winds will lead to near-zero visibility and dangerous travel conditions. High winds will continue across the northern and central High Plains through Friday, with wind gusts above 60 mph likely, leading to hazardous travel conditions. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

58°F

14°C

Humidity 31%
Wind Speed NNW 12 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 15 Jan 11:35 PM PST
Extended Forecast for

3 Miles S Clayton CA

  • Tonight

    Tonight: Clear, with a low around 46. Northeast wind around 6 mph.

    Low: 46 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 60. East northeast wind 6 to 8 mph.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 47. East wind around 6 mph.

    Low: 47 °F

    Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 58. East northeast wind around 8 mph.

    High: 58 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 44. East northeast wind around 6 mph.

    Low: 44 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 42 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 46. Northeast wind around 6 mph.
Friday
Sunny, with a high near 60. East northeast wind 6 to 8 mph.
Friday Night
Clear, with a low around 47. East wind around 6 mph.
Saturday
Mostly sunny, with a high near 58. East northeast wind around 8 mph.
Saturday Night
Partly cloudy, with a low around 44. East northeast wind around 6 mph.
Sunday
Mostly sunny, with a high near 58.
Sunday Night
Mostly clear, with a low around 42.
M.L.King Day
Sunny, with a high near 57.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Mostly sunny, with a high near 56.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
Mostly sunny, with a high near 55.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Mostly sunny, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Clayton CA
 37.9°N 121.92°W (Elev. 1900 ft)
11:45 pm PST Jan 15, 2026
11pm PST Jan 15, 2026-6pm PST Jan 22, 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