Heavy Snow and Disruptive Ice in the Upper Midwest; Severe Thunderstorms in the Southern Plains

A late season winter storm will produce a combination of heavy snow and disruptive ice starting this evening in the Northern Plains and moving into the Upper Midwest and Great Lakes by tonight continuing through Thursday. Severe thunderstorms will likely produce severe wind gusts, large hail, a few tornadoes, and heavy rainfall across the southern and central Plains into the morning. Read More >

Hazardous Weather Conditions

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

40°F

4°C

Humidity	89%
Wind Speed	SW 4 MPH
Barometer	NA
Dewpoint	37°F (3°C)
Visibility	NA
Wind Chill	37°F (3°C)
Last update	01 Apr 10:52 PM PDT

More Information:

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

Extended Forecast for

16 Miles NE Happy Camp CA

Winter Weather Advisory April 1, 11:37pm until April 2, 11:00am

Freeze Warning April 3, 02:00am until April 3, 09:00am

Click here for hazard details and duration

Winter Weather Advisory

Freeze Warning

Winter Weather Advisory April 1, 11:37pm until April 2, 11:00am
NOW until 11:00am Thu
Winter Weather Advisory
Tonight
Low: 30 °F
Snow Showers
Thursday
High: 42 °F
Rain/Snow
Likely then
Chance
Rain/Snow
Thursday Night
Low: 29 °F
Mostly Clear
Friday
High: 59 °F
Sunny
Friday Night
Low: 40 °F
Clear
Saturday
High: 68 °F
Sunny
Saturday Night
Low: 46 °F
Partly Cloudy
Sunday
High: 71 °F
Mostly Sunny

Detailed Forecast

Tonight

Snow showers before 2am, then snow after 2am. Some thunder is also possible. Low around 30. West southwest wind 14 to 17 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 2 to 4 inches possible.

Thursday

Snow likely, possibly mixing with rain after 11am, then gradually ending. Snow level rising to 4100 feet in the afternoon. Mostly sunny, with a high near 42. West southwest wind 8 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Thursday Night

Mostly clear, with a low around 29. North wind around 6 mph becoming south after midnight.

Friday

Sunny, with a high near 59. South southeast wind around 6 mph becoming northeast in the afternoon.

Friday Night

Clear, with a low around 40. North northeast wind around 6 mph becoming east southeast after midnight.

Saturday

Sunny, with a high near 68.

Saturday Night

Partly cloudy, with a low around 46.

Sunday

Mostly sunny, with a high near 71.