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.

51°F

11°C

Humidity	99%
Wind Speed	S 0 MPH
Barometer	NA
Dewpoint	51°F (11°C)
Visibility	NA
Last update	10 Apr 10:52 PM PDT

More Information:

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

Extended Forecast for

Illinois Valley OR

Tonight
Low: 41 °F
Rain Likely
Saturday
High: 53 °F
Showers
Saturday Night
Low: 36 °F
Rain
Sunday
High: 53 °F
Showers
Sunday Night
Low: 36 °F
Rain Likely
then Chance
Rain
Monday
High: 55 °F
Rain Likely
Monday Night
Low: 33 °F
Chance Rain
then Mostly
Cloudy
Tuesday
High: 59 °F
Partly Sunny
Tuesday Night
Low: 36 °F
Chance Rain

Detailed Forecast

Tonight

Rain likely, mainly between 4am and 5am. Mostly cloudy, with a low around 41. Calm wind. Chance of precipitation is 70%.

Saturday

Rain before 11am, then showers and possibly a thunderstorm, mainly after 11am. High near 53. Calm wind. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday Night

Rain. Low around 36. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Sunday

Rain before 11am, then showers and possibly a thunderstorm after 11am. Snow level 4300 feet rising to 4800 feet in the afternoon. High near 53. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night

Rain likely, mainly before 11pm. Snow level 4800 feet lowering to 4100 feet after midnight . Mostly cloudy, with a low around 36. Light west wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Monday

Rain likely. Snow level 3900 feet rising to 4800 feet in the afternoon. Mostly cloudy, with a high near 55. Chance of precipitation is 60%.

Monday Night

A 30 percent chance of rain before 11pm. Snow level 5000 feet lowering to 4100 feet after midnight . Mostly cloudy, with a low around 33.

Tuesday

Partly sunny, with a high near 59.

Tuesday Night

A chance of rain, mainly after 11pm. Snow level 4800 feet lowering to 4200 feet. Mostly cloudy, with a low around 36.

Wednesday

Rain likely. Mostly cloudy, with a high near 53.

Wednesday Night

A chance of rain. Snow level 4400 feet lowering to 2800 feet after midnight . Partly cloudy, with a low around 30.