Heavy Snow and Disruptive Ice in the Upper Midwest; Severe Thunderstorms in the Southern Plains

A late season winter storm will produce a combination of heavy snow and disruptive ice starting this evening in the Northern Plains and moving into the Upper Midwest and Great Lakes by tonight continuing through Thursday. Severe thunderstorms will likely produce severe wind gusts, large hail, a few tornadoes, and heavy rainfall across the southern and central Plains today. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

44°F

7°C

Humidity 99%
Wind Speed SSW 9 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Wind Chill39°F (4°C)
Last update 01 Apr 06:45 AM PDT
Extended Forecast for

2 Miles S Clayton CA

  • Today

    Today: Rain likely, mainly between 11am and 5pm.  Mostly cloudy, with a high near 63. South southwest wind 15 to 21 mph, with gusts as high as 33 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Rain Likely

  • Tonight

    Tonight: Rain, mainly before 2am.  Low around 46. West wind 14 to 20 mph, with gusts as high as 33 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Rain

  • Thursday

    Thursday: Sunny, with a high near 64. West wind 11 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 24 mph.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 49. North northwest wind 6 to 11 mph, with gusts as high as 25 mph.

    Low: 49 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 73. North northeast wind 9 to 15 mph, with gusts as high as 30 mph.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Saturday Night

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

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

Today
Rain likely, mainly between 11am and 5pm. Mostly cloudy, with a high near 63. South southwest wind 15 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, mainly before 2am. Low around 46. West wind 14 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Sunny, with a high near 64. West wind 11 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 24 mph.
Thursday Night
Clear, with a low around 49. North northwest wind 6 to 11 mph, with gusts as high as 25 mph.
Friday
Sunny, with a high near 73. North northeast wind 9 to 15 mph, with gusts as high as 30 mph.
Friday Night
Mostly clear, with a low around 52.
Saturday
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Sunny, with a high near 74.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Clayton CA
 37.92°N 121.93°W (Elev. 600 ft)
2:36 am PDT Apr 1, 2026
8am PDT Apr 1, 2026-6pm PDT Apr 7, 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