Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

Hazardous Weather Conditions

Winter Weather Advisory in effect from April 1, 08:00 PM PDT until April 2, 11:00 AM PDT

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10386°NLon: 123.68519°WElev: 1389.0ft.

51°F

11°C

Humidity	64%
Wind Speed	SW 5 MPH
Barometer	NA
Dewpoint	39°F (4°C)
Visibility	NA
Last update	31 Mar 09:52 PM PDT

More Information:

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

Extended Forecast for

12 Miles W Happy Camp CA

Winter Weather Advisory April 1, 08:00pm until April 2, 11:00am

Click here for hazard details and duration

Winter Weather Advisory

Tonight
Low: 35 °F
Rain/Snow
Likely then
Snow
Wednesday
High: 37 °F⇓
Rain/Snow and
Breezy
Wednesday Night
Low: 31 °F
Heavy Snow
and Breezy
Thursday
High: 36 °F
Snow then
Snow Likely
Thursday Night
Low: 28 °F
Slight Chance
Snow then
Mostly Clear
Friday
High: 51 °F
Sunny
Friday Night
Low: 36 °F
Clear
Saturday
High: 58 °F
Sunny
Saturday Night
Low: 44 °F
Partly Cloudy

Detailed Forecast

Tonight

Rain and snow likely before midnight, then snow. Low around 35. South southwest wind 15 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of less than a half inch possible.

Wednesday

Snow before 8am, then rain and snow between 8am and 3pm, then snow after 3pm. The rain and snow could be heavy at times. Temperature falling to around 33 by 5pm. Breezy, with a south southwest wind 22 to 29 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Wednesday Night

Snow showers. The snow could be heavy at times. Some thunder is also possible. Low around 31. Breezy, with a west southwest wind 20 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

Thursday

Snow. High near 36. West southwest wind 6 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Thursday Night

A 20 percent chance of snow before 11pm. Mostly clear, with a low around 28. West wind 8 to 13 mph becoming north after midnight. Winds could gust as high as 20 mph.

Friday

Sunny, with a high near 51.

Friday Night

Clear, with a low around 36.

Saturday

Sunny, with a high near 58.

Saturday Night

Partly cloudy, with a low around 44.

Sunday

Mostly sunny, with a high near 61.

Sunday Night

Partly cloudy, with a low around 46.