Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.

Gusty winds and low relative humidity will bring critical fire weather to the southern High Plains Friday. A winter storm will track across the Great Lakes and Northeast U.S. Friday into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. 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.

31°F

-1°C

Humidity	100%
Wind Speed	N 0 MPH
Barometer	NA
Dewpoint	31°F (-1°C)
Visibility	NA
Last update	19 Feb 06:40 PM PST

More Information:

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

Extended Forecast for

8 Miles N Livermore Municipal CA

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

Click here for hazard details and duration

Extreme Cold Warning

Tonight
Low: 32 °F
Clear then
Frost
Friday
High: 46 °F
Frost then
Partly Sunny
Friday Night
Low: 36 °F
Patchy Frost
Saturday
High: 52 °F
Mostly Sunny
Saturday Night
Low: 45 °F
Chance Rain
Sunday
High: 61 °F
Chance Rain
Sunday Night
Low: 50 °F
Chance Rain
Monday
High: 61 °F
Chance Rain
Monday Night
Low: 55 °F
Rain

Detailed Forecast

Tonight

Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 32. West northwest wind 8 to 18 mph, with gusts as high as 33 mph.

Friday

Widespread frost before 7am. Otherwise, mostly sunny, with a high near 46. South southeast wind 5 to 7 mph.

Friday Night

Patchy frost between 10pm and 1am. Otherwise, partly cloudy, with a low around 36. Southeast wind 7 to 9 mph.

Saturday

Mostly sunny, with a high near 52. East southeast wind 13 to 15 mph, with gusts as high as 26 mph.

Saturday Night

A 30 percent chance of rain, mainly after 4am. Partly cloudy, with a low around 45. South southeast wind 15 to 17 mph, with gusts as high as 30 mph. New precipitation amounts of less than a tenth of an inch possible.

Sunday

A 30 percent chance of rain, mainly after 4pm. Partly sunny, with a high near 61.

Sunday Night

A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 50.

Monday

A chance of rain. Partly sunny, with a high near 61.

Monday Night

Rain, mainly after 10pm. Mostly cloudy, with a low around 55.

Tuesday

Rain. Mostly cloudy, with a high near 56.

Tuesday Night

Rain likely. Cloudy, with a low around 52.