Severe Thunderstorms and Heavy Rain in the Mississippi Valley; Fire Weather Concerns in the Southern High Plains

Severe thunderstorms and the threat for excessive rainfall will move into the mid-Mississippi and lower Ohio Valleys today. There is potential for a few strong tornadoes, damaging wind gusts, large hail, and scattered flash flooding. Low humidity and windy conditions will continue to produce elevated to critical fire weather conditions across the southern High Plains into midweek. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

40°F

4°C

Humidity 92%
Wind Speed W 5 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Wind Chill36°F (2°C)
Last update 27 Apr 08:25 AM PDT
Extended Forecast for

7 Miles SSW Brentwood CA

  • Today

    Today: A slight chance of drizzle between 1pm and 3pm.  Mostly sunny, with a high near 64. West wind 5 to 9 mph.

    High: 64 °F

    Mostly Sunny
    then Slight
    Chance
    Drizzle

  • Tonight

    Tonight: Mostly clear, with a low around 49. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 71. Southwest wind 5 to 7 mph becoming north in the afternoon.

    High: 71 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52. Southwest wind 7 to 9 mph.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77. West wind 5 to 8 mph.

    High: 77 °F

    Sunny

  • Wednesday Night

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

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Thursday Night

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

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

Today
A slight chance of drizzle between 1pm and 3pm. Mostly sunny, with a high near 64. West wind 5 to 9 mph.
Tonight
Mostly clear, with a low around 49. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 71. Southwest wind 5 to 7 mph becoming north in the afternoon.
Tuesday Night
Mostly clear, with a low around 52. Southwest wind 7 to 9 mph.
Wednesday
Sunny, with a high near 77. West wind 5 to 8 mph.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 78.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Mostly sunny, with a high near 73.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Mostly sunny, with a high near 70.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSW Brentwood CA
 37.83°N 121.74°W (Elev. 932 ft)
8:56 am PDT Apr 27, 2026
10am PDT Apr 27, 2026-6pm PDT May 3, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database