Severe Thunderstorms for the Center of the Nation; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

A round of severe thunderstorms are forecast across areas of the Southern Plains, Mississippi Valley and Great Lakes this afternoon and tonight; The threat for flash flooding will also accompany these storms. The rainfall for the Great Lakes region could prolong the ongoing flooding. Where the rain is needed, the Southern High Plains, critical fire weather concerns through today. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

43°F

6°C

Humidity 33%
Wind Speed NNW 13 MPH
Barometer NA
Dewpoint 16°F (-9°C)
Visibility NA
Wind Chill36°F (2°C)
Last update 17 Apr 10:55 AM PDT
Extended Forecast for

2 Miles SSE Clayton CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 71. North northwest wind around 9 mph, with gusts as high as 21 mph.

    High: 71 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 50. South southwest wind 5 to 7 mph.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 76. Calm wind becoming west around 6 mph in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 54. Southwest wind around 7 mph.

    Low: 54 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 73. West southwest wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 73 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Monday

    Monday: A 50 percent chance of showers.  Partly sunny, with a high near 69.

    High: 69 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Rain likely.  Mostly cloudy, with a low around 54.

    Low: 54 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain before 11am, then showers and possibly a thunderstorm after 11am.  Mostly cloudy, with a high near 62.

    High: 62 °F

    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 71. North northwest wind around 9 mph, with gusts as high as 21 mph.
Tonight
Partly cloudy, with a low around 50. South southwest wind 5 to 7 mph.
Saturday
Mostly sunny, with a high near 76. Calm wind becoming west around 6 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 54. Southwest wind around 7 mph.
Sunday
Partly sunny, with a high near 73. West southwest wind 7 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 51.
Monday
A 50 percent chance of showers. Partly sunny, with a high near 69.
Monday Night
Rain likely. Mostly cloudy, with a low around 54.
Tuesday
Rain before 11am, then showers and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 62.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 50.
Wednesday
A chance of rain. Mostly sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Clayton CA
 37.92°N 121.93°W (Elev. 600 ft)
12:36 pm PDT Apr 17, 2026
12pm PDT Apr 17, 2026-6pm PDT Apr 23, 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