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.

40°F

4°C

Humidity	100%
Wind Speed	WSW 0 MPH
Barometer	NA
Dewpoint	40°F (4°C)
Visibility	NA
Last update	12 Apr 04:52 AM PDT

More Information:

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

Extended Forecast for

3 Miles SE Illinois Valley OR

Overnight
Low: 35 °F
Chance Rain
Sunday
High: 56 °F
Chance
Showers then
Showers
Sunday Night
Low: 36 °F
Rain Likely
then Chance
Rain
Monday
High: 54 °F
Rain Likely
Monday Night
Low: 32 °F
Slight Chance
Rain then
Mostly Cloudy
Tuesday
High: 57 °F
Partly Sunny
Tuesday Night
Low: 36 °F
Rain
Wednesday
High: 50 °F
Rain
Wednesday Night
Low: 27 °F
Chance Rain
then Chance
Rain/Snow

Detailed Forecast

Overnight

A 50 percent chance of rain. Snow level 4200 feet. Mostly cloudy, with a low around 35. Calm wind.

Sunday

Rain and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of rain and thunderstorms after 5pm. Snow level 4100 feet rising to 4900 feet in the afternoon. High near 56. Calm wind becoming west southwest 5 to 9 mph in the afternoon. Chance of precipitation is 80%.

Sunday Night

Rain likely, mainly before 11pm. Snow level 4600 feet. Mostly cloudy, with a low around 36. South southwest wind 5 to 9 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Monday

Rain likely, mainly after 11am. Snow level 4300 feet rising to 4900 feet in the afternoon. Mostly cloudy, with a high near 54. Southwest wind 5 to 7 mph. Chance of precipitation is 60%.

Monday Night

A 20 percent chance of rain before 11pm. Snow level 5000 feet lowering to 4100 feet after midnight . Mostly cloudy, with a low around 32. West southwest wind 5 to 8 mph becoming calm in the evening.

Tuesday

Partly sunny, with a high near 57.

Tuesday Night

Rain, mainly after 11pm. Snow level 4200 feet. Low around 36. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday

Rain. Cloudy, with a high near 50.

Wednesday Night

A chance of rain before 2am, then a chance of rain and snow. Snow level 4200 feet lowering to 2100 feet after midnight . Mostly cloudy, with a low around 27.

Thursday

Sunny, with a high near 57.

Thursday Night

Mostly clear, with a low around 28.

Friday

Sunny, with a high near 65.

Friday Night

Partly cloudy, with a low around 33.

Saturday

Mostly sunny, with a high near 68.