Major Winter Storm to Impact the Mid-Atlantic and Northeast; Inclement Weather in the Pacific Northwest

A major winter storm is expected to bring heavy snow, strong winds, and coastal flooding across the Mid-Atlantic and Northeast that may cause impossible travel conditions and power outages. Blizzard conditions are possible along the Northeastern Seaboard. Wet weather and strong winds return to the Pacific Northwest and north-central California. 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	97%
Wind Speed	NNW 0 MPH
Barometer	NA
Dewpoint	36°F (2°C)
Visibility	NA
Last update	21 Feb 03:52 AM PST

More Information:

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

Extended Forecast for

11 Miles NNE Happy Camp CA

Flood Watch February 23, 10:00pm until February 25, 10:00pm

Click here for hazard details and duration

Flood Watch

This Afternoon
High: 42 °F
Rain
Tonight
Low: 38 °F
Heavy Rain
Tuesday
High: 42 °F
Heavy Rain
Tuesday Night
Low: 36 °F
Rain then
Rain/Snow
Likely
Wednesday
High: 42 °F
Chance
Rain/Snow
Wednesday Night
Low: 31 °F
Partly Cloudy
Thursday
High: 48 °F
Mostly Sunny
Thursday Night
Low: 38 °F
Mostly Cloudy
Friday
High: 51 °F
Slight Chance
Rain/Snow

Detailed Forecast

This Afternoon

Rain, mainly after 3pm. Snow level 6400 feet. High near 42. South wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Tonight

Rain. The rain could be heavy at times. Low around 38. South wind 13 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Tuesday

Rain, mainly after 4pm. The rain could be heavy at times. High near 42. South southwest wind around 14 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Tuesday Night

Rain before 1am, then rain and snow likely. Snow level 6500 feet lowering to 5100 feet after midnight . Low around 36. West wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Wednesday

A chance of rain and snow before 10am, then a slight chance of snow between 10am and 1pm, then a slight chance of rain and snow after 1pm. Partly sunny, with a high near 42. North northwest wind around 9 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

Wednesday Night

Partly cloudy, with a low around 31.

Thursday

Mostly sunny, with a high near 48.

Thursday Night

Mostly cloudy, with a low around 38.

Friday

A slight chance of rain and snow before 1pm, then a slight chance of rain. Snow level 5200 feet rising to 6500 feet in the afternoon. Partly sunny, with a high near 51.

Friday Night

A chance of rain. Snow level 6400 feet. Mostly cloudy, with a low around 40.

Saturday

A chance of rain and snow. Snow level 6000 feet. Mostly cloudy, with a high near 48.

Saturday Night

A chance of rain and snow. Snow level 6000 feet lowering to 5400 feet after midnight . Mostly cloudy, with a low around 39.

Sunday

A chance of rain and snow. Snow level 4900 feet rising to 5400 feet in the afternoon. Partly sunny, with a high near 48.