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.

44°F

7°C

Humidity	99%
Wind Speed	SSW 11 MPH
Barometer	NA
Dewpoint	44°F (7°C)
Visibility	NA
Wind Chill	38°F (3°C)
Last update	01 Apr 10:55 AM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Clayton CA

This Afternoon
High: 60 °F
Chance Rain
Tonight
Low: 44 °F
Rain
Thursday
High: 61 °F
Sunny
Thursday Night
Low: 47 °F
Clear
Friday
High: 70 °F
Sunny
Friday Night
Low: 52 °F
Mostly Clear
Saturday
High: 76 °F
Sunny
Saturday Night
Low: 55 °F
Mostly Clear
Sunday
High: 78 °F
Mostly Sunny

Detailed Forecast

This Afternoon

A 40 percent chance of rain before 5pm. Partly sunny, with a high near 60. Southwest wind 17 to 20 mph, with gusts as high as 28 mph. New precipitation amounts of less than a tenth of an inch possible.

Tonight

Rain, mainly before 2am. Low around 44. West wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday

Sunny, with a high near 61. West northwest wind 6 to 13 mph becoming north in the afternoon.

Thursday Night

Clear, with a low around 47. North wind 8 to 13 mph becoming light northeast. Winds could gust as high as 31 mph.

Friday

Sunny, with a high near 70. North northeast wind 10 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 76.

Saturday Night

Mostly clear, with a low around 55.