Tracking a Winter Storm; Unusual Early-Season Heat Wave in the Southwest

A major winter storm will organize across the Northern Plains today and then rapidly strengthen as it moves into the Great Lakes on Sunday. Heavy snow and blowing snow are likely to persist over the Great Lakes into Monday night. Dry and gusty winds will produce a critical fire risk across the central/southern Plains. An early heatwave will begin to intensify over the western U.S. into next week. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

59°F

15°C

Humidity 28%
Wind Speed NW 12 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Last update 14 Mar 01:25 AM PDT
Extended Forecast for

4 Miles ENE Danville CA

  • Today

    Today: Sunny, with a high near 78. West northwest wind around 7 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 49. North wind 5 to 7 mph.

    Low: 49 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 84. North wind 5 to 7 mph.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54. North northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 88. Calm wind becoming north around 5 mph in the afternoon.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 57.

    Low: 57 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 78. West northwest wind around 7 mph.
Tonight
Mostly clear, with a low around 49. North wind 5 to 7 mph.
Sunday
Sunny, with a high near 84. North wind 5 to 7 mph.
Sunday Night
Partly cloudy, with a low around 54. North northwest wind 5 to 7 mph becoming calm in the evening.
Monday
Sunny, with a high near 88. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
Clear, with a low around 57.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Clear, with a low around 58.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
Mostly sunny, with a high near 93.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Danville CA
 37.85°N 121.94°W (Elev. 1362 ft)
1:28 am PDT Mar 14, 2026
7am PDT Mar 14, 2026-6pm PDT Mar 20, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database