Tracking Areas of Fire Weather, Winter Weather, and Severe Weather Thursday

Continuation of gusty winds and low relative humidity will bring additional periods of critical fire weather to the southern Plains Thursday and Friday. Another Pacific storm will continue gusty winds and heavy snow over the western mountains into Thursday. Severe thunderstorms are possible across parts of the middle Mississippi into lower Ohio Valleys Thursday afternoon into early evening. Read More >

Hazardous Weather Conditions

Extreme Cold Warning in effect from February 20, 01:00 AM PST until February 20, 09:00 AM PST

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

29°F

-2°C

Humidity	99%
Wind Speed	N 0 MPH
Barometer	NA
Dewpoint	29°F (-2°C)
Visibility	NA
Last update	19 Feb 04:05 AM PST

More Information:

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

Extended Forecast for

4 Miles ENE Danville CA

Extreme Cold Warning February 20, 01:00am until February 20, 09:00am

Click here for hazard details and duration

Extreme Cold Warning

Overnight
Low: 37 °F
Rain
Thursday
High: 50 °F
Breezy. Rain
then Chance
Rain
Thursday Night
Low: 31 °F
Mostly Clear
then Frost
Friday
High: 52 °F
Frost then
Partly Sunny
Friday Night
Low: 34 °F
Areas Frost
Saturday
High: 58 °F
Partly Sunny
Saturday Night
Low: 43 °F
Slight Chance
Rain
Sunday
High: 63 °F
Chance Rain
Sunday Night
Low: 48 °F
Chance Rain

Detailed Forecast

Overnight

Rain. Low around 37. Southeast wind around 18 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

Thursday

Rain, mainly before 1pm. High near 50. Breezy, with a west northwest wind 17 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday Night

Widespread frost, mainly after 4am. Otherwise, mostly clear, with a low around 31. West northwest wind 5 to 10 mph becoming light northwest after midnight. Winds could gust as high as 23 mph.

Friday

Widespread frost, mainly before 8am. Otherwise, partly sunny, with a high near 52. Calm wind.

Friday Night

Patchy frost before 1am, then areas of frost after 2am. Otherwise, partly cloudy, with a low around 34. Calm wind becoming east southeast around 5 mph after midnight.

Saturday

Partly sunny, with a high near 58.

Saturday Night

A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 43.

Sunday

A chance of rain. Partly sunny, with a high near 63.

Sunday Night

A chance of rain. Mostly cloudy, with a low around 48.

Monday

Rain likely, mainly after 4pm. Mostly cloudy, with a high near 65.

Monday Night

Rain. Mostly cloudy, with a low around 51.