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	95%
Wind Speed	SE 1 MPH
Barometer	NA
Dewpoint	50°F (10°C)
Visibility	NA
Last update	11 Apr 08:52 AM PDT

More Information:

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

Extended Forecast for

7 Miles SW Illinois Valley OR

Today
High: 48 °F
Showers
Tonight
Low: 37 °F
Rain then
Rain/Snow
Sunday
High: 49 °F
Rain/Snow
then Showers
Sunday Night
Low: 39 °F
Rain Likely
Monday
High: 49 °F
Rain Likely
Monday Night
Low: 37 °F
Chance Rain
then Mostly
Cloudy
Tuesday
High: 51 °F
Partly Sunny
Tuesday Night
Low: 38 °F
Rain Likely
Wednesday
High: 48 °F
Rain

Detailed Forecast

Today

Rain and possibly a thunderstorm before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then rain and possibly a thunderstorm after 5pm. Snow level 5200 feet. High near 48. South southwest wind 5 to 8 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Tonight

Snow, possibly mixed with rain. Snow level 5000 feet lowering to 4200 feet after midnight . Low around 37. Northeast wind around 5 mph becoming calm. Chance of precipitation is 80%. Little or no snow accumulation expected.

Sunday

Rain and snow showers, becoming all rain after 8am. Some thunder is also possible. Snow level 4000 feet rising to 4800 feet in the afternoon. High near 49. Light south southwest wind becoming west southwest 5 to 9 mph in the afternoon. Chance of precipitation is 80%. Little or no snow accumulation expected.

Sunday Night

Rain likely, mainly before 11pm. Snow level 4700 feet lowering to 4000 feet after midnight . Mostly cloudy, with a low around 39. West wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 70%.

Monday

Rain likely, mainly before 11am. Snow level 3800 feet rising to 4600 feet in the afternoon. Mostly cloudy, with a high near 49. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 60%.

Monday Night

A 30 percent chance of rain before 11pm. Snow level 4700 feet lowering to 4000 feet after midnight . Mostly cloudy, with a low around 37.

Tuesday

Partly sunny, with a high near 51.

Tuesday Night

Rain likely, mainly after 11pm. Snow level 4100 feet. Mostly cloudy, with a low around 38.

Wednesday

Rain. Snow level 4500 feet. Mostly cloudy, with a high near 48.

Wednesday Night

A chance of rain before 11pm, then a chance of rain and snow between 11pm and 2am, then a chance of snow after 2am. Snow level 4300 feet lowering to 2600 feet after midnight . Mostly cloudy, with a low around 33.

Thursday

A slight chance of snow. Snow level rising to 3600 feet in the afternoon. Sunny, with a high near 55.

Thursday Night

Mostly clear, with a low around 33.

Friday

Sunny, with a high near 63.