Critical Fire Weather in the Plains; Severe Thunderstorms in the Upper Mississippi Valley and Great Lakes

Anomalously warm, dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the Intermountain West into the central and southern Plains today. Strong to severe thunderstorms are possible across portions of the upper Mississippi River Valley to the Great Lakes tonight through the day Tuesday. Damaging gusts, hail, and heavy rainfall are likely. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

65°F

18°C

Humidity 20%
Wind Speed NW 8 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility NA
Last update 30 Mar 02:15 AM PDT
Extended Forecast for

7 Miles SSW Brentwood CA

  • Today

    Today: Partly sunny, with a high near 80. West southwest wind 3 to 8 mph.

    High: 80 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 59. West southwest wind 7 to 9 mph.

    Low: 59 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of rain.  Mostly cloudy, with a high near 64. Southwest wind 6 to 9 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 54. South southwest wind 6 to 9 mph, with gusts as high as 18 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Chance Rain

  • Wednesday

    Wednesday: A 50 percent chance of rain.  Partly sunny, with a high near 64. South southwest wind 6 to 11 mph, with gusts as high as 23 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 50. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Chance Rain

  • Thursday

    Thursday: A 20 percent chance of rain before 11am.  Sunny, with a high near 63.

    High: 63 °F

    Slight Chance
    Rain then
    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 49.

    Low: 49 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 80. West southwest wind 3 to 8 mph.
Tonight
Mostly cloudy, with a low around 59. West southwest wind 7 to 9 mph.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 64. Southwest wind 6 to 9 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 54. South southwest wind 6 to 9 mph, with gusts as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 50 percent chance of rain. Partly sunny, with a high near 64. South southwest wind 6 to 11 mph, with gusts as high as 23 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 50. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 20 percent chance of rain before 11am. Sunny, with a high near 63.
Thursday Night
Clear, with a low around 49.
Friday
Sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 51.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSW Brentwood CA
 37.83°N 121.74°W (Elev. 932 ft)
1:41 am PDT Mar 30, 2026
5am PDT Mar 30, 2026-6pm PDT Apr 5, 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