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.

28°F

-2°C

Humidity	98%
Wind Speed	S 1 MPH
Barometer	NA
Dewpoint	28°F (-2°C)
Visibility	NA
Last update	19 Feb 08:52 PM PST

More Information:

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

Extended Forecast for

17 Miles NE Happy Camp CA

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

Cold Weather Advisory February 20, 12:00am until February 20, 09:00am

Click here for hazard details and duration

Winter Storm Watch

Cold Weather Advisory

Tonight
Low: 19 °F
Decreasing
Clouds
Friday
High: 33 °F
Mostly Sunny
Friday Night
Low: 28 °F
Chance Snow
Showers and
Breezy
Saturday
High: 39 °F
Chance Snow
Showers and
Windy
Saturday Night
Low: 36 °F
Snow Showers
Likely and
Windy
Sunday
High: 43 °F
Rain/Snow and
Windy
Sunday Night
Low: 40 °F
Breezy.
Rain/Snow
then Showers
Monday
High: 44 °F
Rain/Snow and
Breezy
Monday Night
Low: 40 °F
Rain/Snow

Detailed Forecast

Tonight

Mostly cloudy, then gradually becoming mostly clear, with a low around 19. North wind 5 to 8 mph becoming calm after midnight.

Friday

Mostly sunny, with a high near 33. South wind 5 to 10 mph.

Friday Night

A 50 percent chance of snow showers. Mostly cloudy, with a low around 28. Breezy, with a south southeast wind 11 to 16 mph increasing to 18 to 23 mph after midnight. Winds could gust as high as 34 mph. New snow accumulation of less than a half inch possible.

Saturday

A 40 percent chance of snow showers, mainly after 4pm. Partly sunny, with a high near 39. Windy, with a south southeast wind 36 to 38 mph. New snow accumulation of less than a half inch possible.

Saturday Night

Snow showers likely, mainly after 10pm. Mostly cloudy, with a low around 36. Windy, with a southeast wind 41 to 43 mph, with gusts as high as 46 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Sunday

Snow showers before 10am, then rain, possibly mixed with snow showers. Snow level rising to 5000 feet in the afternoon. High near 43. Windy. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

Sunday Night

Rain, possibly mixed with snow showers, becoming all rain after 10pm. Snow level 6000 feet. Low around 40. Breezy. Chance of precipitation is 100%. Little or no snow accumulation expected.

Monday

Rain showers before 10am, then rain, possibly mixed with snow showers. Snow level 6300 feet. Cloudy, with a high near 44. Breezy.

Monday Night

Rain, possibly mixed with snow showers. Snow level 6100 feet. Cloudy, with a low around 40.

Tuesday

Rain, possibly mixed with snow showers. Snow level 5300 feet. Mostly cloudy, with a high near 43.

Tuesday Night

Rain and snow showers likely. Mostly cloudy, with a low around 34.

Wednesday

A chance of rain and snow showers. Partly sunny, with a high near 45.

Wednesday Night

A chance of rain and snow showers. Mostly cloudy, with a low around 36.