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 into the morning. 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 100%
Wind Speed SW 12 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Wind Chill37°F (3°C)
Last update 01 Apr 11:10 PM PDT
Extended Forecast for

4 Miles SSE Clayton CA

  • Overnight

    Overnight: Partly cloudy, with a low around 41. Northwest wind 16 to 20 mph, with gusts as high as 26 mph.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 52. North wind 10 to 16 mph, with gusts as high as 25 mph.

    High: 52 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 45. North wind 13 to 17 mph, with gusts as high as 33 mph.

    Low: 45 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 63. North wind 13 to 18 mph, with gusts as high as 34 mph.

    High: 63 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 50. North northeast wind 5 to 8 mph becoming southwest in the evening.

    Low: 50 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Saturday Night

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

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Sunday Night

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

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 41. Northwest wind 16 to 20 mph, with gusts as high as 26 mph.
Thursday
Sunny, with a high near 52. North wind 10 to 16 mph, with gusts as high as 25 mph.
Thursday Night
Clear, with a low around 45. North wind 13 to 17 mph, with gusts as high as 33 mph.
Friday
Sunny, with a high near 63. North wind 13 to 18 mph, with gusts as high as 34 mph.
Friday Night
Clear, with a low around 50. North northeast wind 5 to 8 mph becoming southwest in the evening.
Saturday
Sunny, with a high near 70.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Sunny, with a high near 73.
Sunday Night
Mostly clear, with a low around 54.
Monday
Sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 52.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 62.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 62.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Clayton CA
 37.87°N 121.92°W (Elev. 2818 ft)
3:07 am PDT Apr 2, 2026
3am PDT Apr 2, 2026-6pm PDT Apr 8, 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