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 >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

47°F

8°C

Humidity	97%
Wind Speed	N 1 MPH
Barometer	NA
Dewpoint	46°F (8°C)
Visibility	NA
Last update	01 Jan 04:52 PM PST

More Information:

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

Extended Forecast for

17 Miles SSE Agness OR

New Year's Day
High: 49 °F
Rain
Tonight
Low: 47 °F
Rain
Friday
High: 51 °F
Chance Rain
then Rain
Friday Night
Low: 43 °F
Rain
Saturday
High: 44 °F
Rain
Saturday Night
Low: 41 °F
Rain and
Breezy
Sunday
High: 42 °F
Rain
Sunday Night
Low: 37 °F
Rain
Monday
High: 41 °F
Rain

Detailed Forecast

New Year's Day

Rain. High near 49. South wind around 11 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.

Tonight

Rain, mainly before 4am. Low around 47. South wind around 16 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Friday

Rain, mainly after 4pm. High near 51. South wind 7 to 11 mph. Chance of precipitation is 80%.

Friday Night

Rain. Low around 43. South wind 11 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

Saturday

Rain. Snow level 5300 feet. High near 44. South wind 16 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Saturday Night

Rain. Snow level 5300 feet. Low around 41. Breezy. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Sunday

Rain. Snow level 4400 feet. High near 42. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

Sunday Night

Rain. Snow level 4000 feet. Cloudy, with a low around 37.

Monday

Rain. Snow level 3900 feet. Mostly cloudy, with a high near 41.

Monday Night

A chance of rain. Snow level 4000 feet. Mostly cloudy, with a low around 36.

Tuesday

A chance of rain and snow. Snow level 4400 feet. Partly sunny, with a high near 44.