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 elevated to critical fire weather conditions to the southern High Plains through the weekend. A winter storm will track across the Great Lakes and Northeast U.S. 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	98%
Wind Speed	N 0 MPH
Barometer	NA
Dewpoint	26°F (-3°C)
Visibility	NA
Last update	20 Feb 03:52 AM PST

More Information:

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

Extended Forecast for

12 Miles NNE 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: 16 °F
Mostly Clear
Friday
High: 29 °F
Partly Sunny
Friday Night
Low: 26 °F
Snow Showers
Likely
Saturday
High: 34 °F
Chance Snow
and Breezy
Saturday Night
Low: 32 °F
Heavy Snow
and Breezy
Sunday
High: 39 °F
Breezy. Heavy
Snow then
Rain/Snow
Sunday Night
Low: 37 °F
Breezy.
Rain/Snow
then Rain
Monday
High: 39 °F
Rain

Detailed Forecast

Overnight

Mostly clear, with a low around 16. Light south wind.

Friday

Partly sunny, with a high near 29. South southwest wind 5 to 8 mph.

Friday Night

Snow showers likely before 5am, then a chance of snow after 5am. Mostly cloudy, with a low around 26. South wind 8 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

Saturday

A 40 percent chance of snow. Mostly cloudy, with a high near 34. Breezy, with a south wind 22 to 24 mph, with gusts as high as 37 mph. New snow accumulation of 1 to 2 inches possible.

Saturday Night

Snow, mainly after 10pm. The snow could be heavy at times. Low around 32. Breezy, with a south southeast wind around 29 mph, with gusts as high as 44 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Sunday

Snow before 1pm, then rain, possibly mixed with snow. The snow could be heavy at times. High near 39. Breezy. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

Sunday Night

Rain, possibly mixed with snow, becoming all rain after 7pm. Snow level 6200 feet. Low around 37. Breezy. Chance of precipitation is 100%. Little or no snow accumulation expected.

Monday

Rain. Snow level 6500 feet. Cloudy, with a high near 39.

Monday Night

Rain and snow. Snow level 6500 feet lowering to 5900 feet after midnight . Cloudy, with a low around 36.

Tuesday

Rain and snow before 10am, then snow likely between 10am and 1pm, then rain and snow likely after 1pm. Snow level 5000 feet. Mostly cloudy, with a high near 38.

Tuesday Night

Snow likely. Mostly cloudy, with a low around 31.

Wednesday

A chance of snow. Mostly cloudy, with a high near 40.

Wednesday Night

A chance of snow. Mostly cloudy, with a low around 34.

Thursday

A chance of snow. Partly sunny, with a high near 41.