Hazardous Spring Weather Shifts to the Eastern and Northwest U.S. Wednesday

Isolated to scattered severe thunderstorms are expected Wednesday from the ArkLaTex and Lower Mississippi Valley northeastward through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat from east Texas into Upstate New York. A moderate atmospheric river will bring heavy snow and high winds to the Northwest U.S. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

31°F

-1°C

Humidity	99%
Wind Speed	WSW 0 MPH
Barometer	NA
Dewpoint	31°F (-1°C)
Visibility	NA
Last update	11 Mar 12:52 AM PDT

More Information:

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

Extended Forecast for

17 Miles WNW Illinois Valley OR

Overnight
Low: 32 °F
Slight Chance
Snow Showers
Wednesday
High: 45 °F
Chance
Rain/Snow
then Chance
Showers
Wednesday Night
Low: 37 °F
Chance
Showers
Thursday
High: 48 °F
Showers
Likely
Thursday Night
Low: 41 °F
Chance
Showers
Friday
High: 50 °F
Chance Rain
Friday Night
Low: 44 °F
Rain
Saturday
High: 51 °F
Rain
Saturday Night
Low: 42 °F
Slight Chance
Rain/Snow
then Partly
Cloudy

Detailed Forecast

Overnight

A 20 percent chance of snow showers after 4am. Partly cloudy, with a low around 32. Southwest wind around 6 mph.

Wednesday

A slight chance of rain and snow showers before 11am, then a chance of rain showers. Snow level 4800 feet rising to 5900 feet in the afternoon. Partly sunny, with a high near 45. West southwest wind 7 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

Wednesday Night

A 40 percent chance of showers, mainly after 11pm. Snow level 6200 feet rising to 7000 feet after midnight. Mostly cloudy, with a low around 37. South southwest wind 10 to 14 mph, with gusts as high as 20 mph.

Thursday

Showers likely, mainly before 11am. Snow level 6700 feet. Mostly cloudy, with a high near 48. West southwest wind 10 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.

Thursday Night

A 50 percent chance of showers. Snow level 6500 feet. Mostly cloudy, with a low around 41. West southwest wind 6 to 15 mph, with gusts as high as 18 mph.

Friday

A 50 percent chance of rain. Snow level 5900 feet rising to 6700 feet in the afternoon. Partly sunny, with a high near 50.

Friday Night

Rain, mainly after 11pm. Snow level 7000 feet rising to 7700 feet after midnight. Low around 44. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Saturday

Rain. Snow level 7700 feet lowering to 6500 feet in the afternoon . Mostly cloudy, with a high near 51.

Saturday Night

A slight chance of rain, mixing with snow after 8pm, then gradually ending. Snow level 6100 feet lowering to 5100 feet after midnight . Partly cloudy, with a low around 42.

Sunday

Mostly sunny, with a high near 60.

Sunday Night

Mostly cloudy, with a low around 47.

Monday

Mostly sunny, with a high near 65.

Monday Night

A slight chance of rain. Mostly cloudy, with a low around 51.

Tuesday

A slight chance of rain. Mostly sunny, with a high near 66.