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.

37°F

3°C

Humidity	89%
Wind Speed	ESE 0 MPH
Barometer	NA
Dewpoint	34°F (1°C)
Visibility	NA
Last update	20 Feb 09:52 PM PST

More Information:

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

Extended Forecast for

16 Miles NE Happy Camp CA

Winter Storm Warning February 21, 10:00pm until February 22, 04:00pm

Click here for hazard details and duration

Winter Storm Warning

Tonight
Low: 30 °F
Snow Likely
and Breezy
Saturday
High: 41 °F
Slight Chance
Snow and
Breezy then
Chance Rain
and Windy
Saturday Night
Low: 36 °F
Rain/Snow
Likely and
Windy
Sunday
High: 44 °F
Breezy.
Rain/Snow
then Rain
Sunday Night
Low: 42 °F
Rain and
Breezy
Monday
High: 49 °F
Rain
Monday Night
Low: 43 °F
Rain
Tuesday
High: 46 °F
Rain
Tuesday Night
Low: 37 °F
Rain Likely
then Chance
Rain/Snow

Detailed Forecast

Tonight

Snow likely, mainly between midnight and 1am. Mostly cloudy, with a low around 30. Breezy, with a south wind 8 to 13 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of 1 to 2 inches possible.

Saturday

A slight chance of snow before 7am, then a chance of rain after 4pm. Snow level rising to 3900 feet in the afternoon. Partly sunny, with a high near 41. Windy, with a south southeast wind 28 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

Saturday Night

Rain likely, possibly mixed with snow, mainly after 10pm. Snow level 3700 feet rising to 4300 feet after midnight. Mostly cloudy, with a low around 36. Windy, with a south southeast wind around 30 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Sunday

Rain, possibly mixed with snow, becoming all rain after 7am. Snow level 4800 feet rising to 5600 feet in the afternoon. High near 44. Breezy, with a south southeast wind around 26 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Sunday Night

Rain. Low around 42. Breezy, with a south wind 20 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Monday

Rain. High near 49. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

Monday Night

Rain. Low around 43. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Tuesday

Rain. Snow level 6600 feet lowering to 5700 feet in the afternoon . Mostly cloudy, with a high near 46.

Tuesday Night

Rain likely before 1am, then a chance of rain and snow. Snow level 5000 feet lowering to 4300 feet after midnight . Mostly cloudy, with a low around 37.

Wednesday

A chance of rain and snow before 10am, then a chance of rain. Snow level 3800 feet rising to 4700 feet in the afternoon. Partly sunny, with a high near 50.

Wednesday Night

A chance of rain and snow. Snow level 4800 feet. Mostly cloudy, with a low around 38.

Thursday

A chance of rain and snow. Snow level 4700 feet rising to 5700 feet in the afternoon. Partly sunny, with a high near 53.

Thursday Night

A chance of rain and snow. Snow level 5700 feet. Mostly cloudy, with a low around 40.

Friday

A chance of rain and snow. Snow level 5100 feet rising to 5700 feet in the afternoon. Partly sunny, with a high near 54.