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.

25°F

-4°C

Humidity	97%
Wind Speed	NNE 1 MPH
Barometer	NA
Dewpoint	24°F (-4°C)
Visibility	NA
Last update	19 Feb 11:52 PM PST

More Information:

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

Extended Forecast for

9 Miles ENE 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: 44 °F
Mostly Sunny
Friday Night
Low: 30 °F
Chance
Rain/Snow
Saturday
High: 50 °F
Chance
Rain/Snow
then Chance
Rain
Saturday Night
Low: 37 °F
Rain Likely
Sunday
High: 52 °F
Rain
Sunday Night
Low: 41 °F
Rain
Monday
High: 53 °F
Rain

Detailed Forecast

Overnight

Mostly clear, with a low around 21. Calm wind.

Friday

Mostly sunny, with a high near 44. Calm wind.

Friday Night

A chance of rain before 10pm, then a chance of rain and snow. Snow level 1700 feet. Mostly cloudy, with a low around 30. East northeast wind around 6 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

Saturday

A chance of rain and snow before 9am, then a chance of rain. Snow level 2100 feet rising to 3900 feet in the afternoon. Partly sunny, with a high near 50. Southeast wind 8 to 13 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

Saturday Night

Rain likely, mainly after 10pm. Snow level 4000 feet. Mostly cloudy, with a low around 37. Southeast wind around 11 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

Sunday

Rain. High near 52. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

Sunday Night

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

Monday

Rain. Cloudy, with a high near 53.

Monday Night

Rain. Cloudy, with a low around 41.

Tuesday

Rain. Mostly cloudy, with a high near 52.

Tuesday Night

Rain likely. Snow level 4900 feet lowering to 4100 feet after midnight . Mostly cloudy, with a low around 36.