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

4 Miles S Clayton CA

This Afternoon
High: 47 °F
Chance Rain
Tonight
Low: 40 °F
Rain
Thursday
High: 53 °F
Sunny
Thursday Night
Low: 46 °F
Clear then
Clear and
Breezy
Friday
High: 63 °F
Sunny
Friday Night
Low: 51 °F
Mostly Clear
Saturday
High: 68 °F
Sunny
Saturday Night
Low: 54 °F
Mostly Clear
Sunday
High: 70 °F
Sunny

Detailed Forecast

This Afternoon

A 30 percent chance of rain before 5pm. Partly sunny, with a steady temperature around 47. Southwest wind around 18 mph, with gusts as high as 26 mph. New precipitation amounts of less than a tenth of an inch possible.

Tonight

Rain, mainly before 2am. Low around 40. Southwest wind 14 to 18 mph becoming west northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Thursday

Sunny, with a high near 53. North wind 11 to 15 mph, with gusts as high as 23 mph.

Thursday Night

Clear, with a low around 46. Breezy, with a north wind 9 to 14 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 38 mph.

Friday

Sunny, with a high near 63. North wind 11 to 21 mph, with gusts as high as 38 mph.

Friday Night

Mostly clear, with a low around 51.

Saturday

Sunny, with a high near 68.

Saturday Night

Mostly clear, with a low around 54.