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.

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

More Information:

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

Extended Forecast for

Clayton CA

Today
High: 77 °F
Partly Sunny
Tonight
Low: 56 °F
Mostly Cloudy
Tuesday
High: 64 °F
Chance Rain
Tuesday Night
Low: 53 °F
Chance Rain
Wednesday
High: 62 °F
Chance Rain
Wednesday Night
Low: 48 °F
Chance Rain
Thursday
High: 62 °F
Slight Chance
Rain then
Sunny
Thursday Night
Low: 48 °F
Clear
Friday
High: 71 °F
Sunny

Detailed Forecast

Today

Partly sunny, with a high near 77. West southwest wind 5 to 10 mph, with gusts as high as 18 mph.

Tonight

Mostly cloudy, with a low around 56. South southwest wind around 10 mph, with gusts as high as 20 mph.

Tuesday

A 50 percent chance of rain. Mostly cloudy, with a high near 64. South southwest wind 8 to 11 mph, with gusts as high as 21 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 53. West southwest wind 7 to 11 mph, with gusts as high as 21 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 62. South southwest wind 7 to 16 mph, with gusts as high as 26 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 48. 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 62.

Thursday Night

Clear, with a low around 48.

Friday

Sunny, with a high near 71.

Friday Night

Mostly clear, with a low around 51.

Saturday

Sunny, with a high near 76.