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

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10386°NLon: 123.68519°WElev: 1389.0ft.

26°F

-3°C

Humidity	97%
Wind Speed	NNW 0 MPH
Barometer	NA
Dewpoint	25°F (-4°C)
Visibility	NA
Last update	20 Feb 01:52 AM PST

More Information:

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

Extended Forecast for

7 Miles NE Happy Camp CA

Winter Storm Watch February 21, 10:00pm until February 23, 04:00am

Cold Weather Advisory until February 20, 09:00am

Click here for hazard details and duration

Winter Storm Watch

Cold Weather Advisory

Cold Weather Advisory until February 20, 09:00am
NOW until 9:00am Fri
Cold Weather Advisory
Overnight
Low: 21 °F
Mostly Clear
Friday
High: 42 °F
Partly Sunny
Friday Night
Low: 29 °F
Rain/Snow
Likely
Saturday
High: 48 °F
Chance
Rain/Snow
then Chance
Rain
Saturday Night
Low: 37 °F
Rain/Snow
Likely
Sunday
High: 49 °F
Rain
Sunday Night
Low: 41 °F
Rain
Monday
High: 51 °F
Rain

Detailed Forecast

Overnight

Mostly clear, with a low around 21. Light north northeast wind.

Friday

Partly sunny, with a high near 42. Calm wind.

Friday Night

A chance of rain and snow before 9pm, then snow likely between 9pm and midnight, then a chance of rain and snow after midnight. Snow level 2100 feet. Mostly cloudy, with a low around 29. Calm wind becoming east 5 to 7 mph in the evening. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Saturday

A chance of rain and snow before 10am, then a chance of rain. Snow level 2600 feet rising to 4000 feet in the afternoon. Mostly cloudy, with a high near 48. East southeast wind 11 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

Saturday Night

A chance of rain before 10pm, then rain likely, possibly mixed with snow between 10pm and 1am, then rain likely after 1am. Snow level 3900 feet. Mostly cloudy, with a low around 37. Southeast wind around 15 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Sunday

Rain. Snow level 4500 feet rising to 5300 feet in the afternoon. High near 49. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

Sunday Night

Rain. Low around 41. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Monday

Rain. Cloudy, with a high near 51.

Monday Night

Rain. Cloudy, with a low around 40.

Tuesday

Rain. Snow level 5100 feet. Mostly cloudy, with a high near 51.

Tuesday Night

Rain likely. Snow level 4600 feet lowering to 3800 feet after midnight . Mostly cloudy, with a low around 35.

Wednesday

A chance of rain and snow. Snow level 3300 feet rising to 4200 feet in the afternoon. Mostly cloudy, with a high near 53.