Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

43°F

6°C

Humidity	100%
Wind Speed	NNE 0 MPH
Barometer	NA
Dewpoint	43°F (6°C)
Visibility	NA
Last update	11 Apr 09:52 PM PDT

More Information:

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

Extended Forecast for

Illinois Valley OR

Tonight
Low: 35 °F
Showers
Sunday
High: 56 °F
Chance
Showers then
Showers
Sunday Night
Low: 36 °F
Showers then
Chance
Showers
Monday
High: 55 °F
Showers
Likely
Monday Night
Low: 33 °F
Chance
Showers then
Mostly Cloudy
Tuesday
High: 60 °F
Partly Sunny
Tuesday Night
Low: 36 °F
Rain Likely
Wednesday
High: 52 °F
Rain
Wednesday Night
Low: 27 °F
Rain Likely

Detailed Forecast

Tonight

Showers. Snow level 5100 feet lowering to 4100 feet after midnight . Low around 35. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Sunday

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. Snow level 3800 feet rising to 4700 feet in the afternoon. High near 56. Calm wind becoming west southwest 5 to 9 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday Night

Showers, mainly before 11pm. Snow level 4400 feet. Low around 36. South southwest wind 5 to 9 mph. Chance of precipitation is 80%.

Monday

Showers likely. Snow level 4100 feet rising to 4600 feet in the afternoon. Mostly cloudy, with a high near 55. South southwest wind 3 to 7 mph. Chance of precipitation is 70%.

Monday Night

A 30 percent chance of showers before 11pm. Snow level 4800 feet lowering to 3900 feet after midnight . Mostly cloudy, with a low around 33. West southwest wind around 6 mph becoming calm in the evening.

Tuesday

Partly sunny, with a high near 60.

Tuesday Night

Rain likely, mainly after 11pm. Snow level 4600 feet lowering to 3900 feet. Mostly cloudy, with a low around 36. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday

Rain. Snow level 4300 feet rising to 4800 feet. Cloudy, with a high near 52.

Wednesday Night

Rain likely, mainly before 11pm. Snow level 4500 feet lowering to 2300 feet after midnight . Mostly cloudy, with a low around 27.

Thursday

Sunny, with a high near 59.

Thursday Night

Mostly clear, with a low around 29.

Friday

Sunny, with a high near 68.

Friday Night

Partly cloudy, with a low around 34.