Heavy Snow and Disruptive Ice in the Upper Midwest; Severe Thunderstorms in the Southern Plains

A late season winter storm will produce a combination of heavy snow and disruptive ice starting this evening in the Northern Plains and moving into the Upper Midwest and Great Lakes by tonight continuing through Thursday. Severe thunderstorms will likely produce severe wind gusts, large hail, a few tornadoes, and heavy rainfall across the southern and central Plains today. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

44°F

7°C

Humidity 99%
Wind Speed SSW 11 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Wind Chill38°F (3°C)
Last update 01 Apr 10:55 AM PDT
Extended Forecast for

3 Miles SSE Clayton CA

  • This Afternoon

    This Afternoon: A 40 percent chance of rain before 5pm.  Partly sunny, with a high near 55. Southwest wind 15 to 21 mph, with gusts as high as 30 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Chance Rain

  • Tonight

    Tonight: Rain, mainly before 2am.  Low around 43. Southwest wind 14 to 20 mph becoming west northwest after midnight. Winds could gust as high as 30 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Rain

  • Thursday

    Thursday: Sunny, with a high near 57. West northwest wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 24 mph.

    High: 57 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 47. North wind 7 to 15 mph, with gusts as high as 33 mph.

    Low: 47 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 66. North wind 10 to 16 mph, with gusts as high as 33 mph.

    High: 66 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of rain before 5pm. Partly sunny, with a high near 55. Southwest wind 15 to 21 mph, with gusts as high as 30 mph. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, mainly before 2am. Low around 43. Southwest wind 14 to 20 mph becoming west northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Sunny, with a high near 57. West northwest wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 24 mph.
Thursday Night
Clear, with a low around 47. North wind 7 to 15 mph, with gusts as high as 33 mph.
Friday
Sunny, with a high near 66. North wind 10 to 16 mph, with gusts as high as 33 mph.
Friday Night
Mostly clear, with a low around 52.
Saturday
Sunny, with a high near 71.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Mostly sunny, with a high near 68.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Mostly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Clayton CA
 37.9°N 121.9°W (Elev. 1814 ft)
11:26 am PDT Apr 1, 2026
12pm PDT Apr 1, 2026-6pm PDT Apr 7, 2026
 
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Additional Resources

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