Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Hazardous Weather Conditions

Winter Storm Watch in effect from January 2, 10:00 PM PST until January 4, 10:00 PM PST

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10375°NLon: 123.68508°WElev: 1389.0ft.

42°F

6°C

Humidity	99%
Wind Speed	NNE 0 MPH
Barometer	NA
Dewpoint	42°F (6°C)
Visibility	NA
Last update	01 Jan 05:52 AM PST

More Information:

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

Extended Forecast for

12 Miles NE Happy Camp CA

Winter Storm Watch January 2, 10:00pm until January 4, 10:00pm

Click here for hazard details and duration

Winter Storm Watch

New Year's Day
High: 41 °F
Rain Likely
then Rain
Tonight
Low: 38 °F
Rain
Friday
High: 42 °F
Rain Likely
Friday Night
Low: 37 °F
Rain then
Rain/Snow
Saturday
High: 39 °F
Snow and
Breezy
Saturday Night
Low: 34 °F
Snow and
Breezy
Sunday
High: 35 °F
Snow
Sunday Night
Low: 32 °F
Snow
Monday
High: 34 °F
Snow Likely

Detailed Forecast

New Year's Day

Rain. Snow level 8600 feet. High near 41. South southeast wind around 10 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

Tonight

Rain, mainly before 1am. Snow level 7900 feet lowering to 7300 feet after midnight . Low around 38. South wind around 14 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday

Rain likely, mainly after 4pm. Snow level 7100 feet lowering to 6500 feet in the afternoon . Mostly cloudy, with a high near 42. South southeast wind 11 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.

Friday Night

Rain before 1am, then rain, possibly mixed with snow. Snow level 6100 feet. Low around 37. Southeast wind 18 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Saturday

Snow. High near 39. Breezy, with a south wind 20 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Saturday Night

Snow. Low around 34. Breezy. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Sunday

Snow. High near 35. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Sunday Night

Snow. Mostly cloudy, with a low around 32.

Monday

Snow likely. Mostly cloudy, with a high near 34.

Monday Night

A chance of snow, mainly before 4am. Mostly cloudy, with a low around 30.

Tuesday

A chance of snow. Partly sunny, with a high near 36.