Severe Thunderstorms for mid-Mississippi and Ohio Valley; Record Warmth and Fire Weather Concerns

Severe thunderstorms are expected later this afternoon and evening across the mid-Mississippi and Ohio Valley's. Large hail, damaging winds and a few tornadoes are all possible. Meanwhile, record warmth across the southern tier of the country continues; This will enhance fire weather conditions for the Plains. The cold front will head south on Friday with cooler temperatures east of the Rockies. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

49°F

9°C

Humidity 38%
Wind Speed N 17 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Wind Chill43°F (6°C)
Last update 26 Mar 09:50 AM PDT
Extended Forecast for

4 Miles S Clayton CA

  • Today

    Today: Mostly sunny, with a high near 68. North wind 15 to 17 mph, with gusts as high as 26 mph.

    High: 68 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 54. North wind 13 to 16 mph, with gusts as high as 29 mph.

    Low: 54 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 69. North northeast wind 7 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.

    High: 69 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51. Southwest wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 70. Southwest wind 6 to 9 mph becoming west northwest in the afternoon.

    High: 70 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 68. North wind 15 to 17 mph, with gusts as high as 26 mph.
Tonight
Mostly cloudy, with a low around 54. North wind 13 to 16 mph, with gusts as high as 29 mph.
Friday
Partly sunny, with a high near 69. North northeast wind 7 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.
Friday Night
Partly cloudy, with a low around 51. Southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Saturday
Sunny, with a high near 70. Southwest wind 6 to 9 mph becoming west northwest in the afternoon.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Partly sunny, with a high near 65.
Monday Night
A chance of rain after 11pm. Mostly cloudy, with a low around 53.
Tuesday
Rain likely. Mostly cloudy, with a high near 57.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 52.
Wednesday
A chance of rain. Partly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Clayton CA
 37.87°N 121.92°W (Elev. 2818 ft)
8:41 am PDT Mar 26, 2026
10am PDT Mar 26, 2026-6pm PDT Apr 1, 2026
 
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Additional Resources

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Hourly Weather Forecast

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