Critical Fire Weather Conditions in the Plains; Increasing Severe Weather Chances for the Plains and Upper Midwest

A strengthening storm system will bring impactful weather to the much of Central U.S. over the next couple of days, including heavy snow in the northern Rockies, Critical fire weather conditions for portions of the Plains, and increasing severe weather chances from the central/southern Plains to the Upper Midwest. 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 91%
Wind Speed N 13 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Wind Chill36°F (2°C)
Last update 22 Apr 10:50 PM PDT
Extended Forecast for

4 Miles SSE Clayton CA

  • Overnight

    Overnight: Mostly clear, with a low around 43. North northwest wind around 6 mph.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 58. West northwest wind 6 to 9 mph.

    High: 58 °F

    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 47. West wind around 11 mph, with gusts as high as 21 mph.

    Low: 47 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 55. West southwest wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 55 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46. West southwest wind around 15 mph, with gusts as high as 29 mph.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of rain before 11am.  Mostly sunny, with a high near 54.

    High: 54 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 43. North northwest wind around 6 mph.
Thursday
Sunny, with a high near 58. West northwest wind 6 to 9 mph.
Thursday Night
Increasing clouds, with a low around 47. West wind around 11 mph, with gusts as high as 21 mph.
Friday
Partly sunny, with a high near 55. West southwest wind 9 to 11 mph, with gusts as high as 21 mph.
Friday Night
Partly cloudy, with a low around 46. West southwest wind around 15 mph, with gusts as high as 29 mph.
Saturday
Partly sunny, with a high near 52.
Saturday Night
Mostly cloudy, with a low around 47.
Sunday
A slight chance of rain before 11am. Mostly sunny, with a high near 54.
Sunday Night
Mostly clear, with a low around 45.
Monday
Mostly sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 59.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Mostly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Clayton CA
 37.87°N 121.92°W (Elev. 2818 ft)
2:52 am PDT Apr 23, 2026
3am PDT Apr 23, 2026-6pm PDT Apr 29, 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