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.

54°F

12°C

Humidity	83%
Wind Speed	SE 2 MPH
Barometer	NA
Dewpoint	49°F (9°C)
Visibility	NA
Last update	11 Apr 11:52 AM PDT

More Information:

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

Extended Forecast for

16 Miles SE Agness OR

This Afternoon
High: 47 °F
Showers
Tonight
Low: 40 °F
Showers
Sunday
High: 46 °F
Showers
Sunday Night
Low: 44 °F
Showers
Monday
High: 47 °F
Showers
Monday Night
Low: 40 °F
Chance
Showers then
Mostly Cloudy
Tuesday
High: 51 °F
Slight Chance
Showers
Tuesday Night
Low: 43 °F
Rain
Wednesday
High: 44 °F
Rain

Detailed Forecast

This Afternoon

Showers and possibly a thunderstorm. Snow level 5100 feet. High near 47. South wind 5 to 7 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Tonight

Showers. Snow level 5200 feet lowering to 4300 feet after midnight . Low around 40. East northeast wind around 6 mph becoming calm. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Sunday

Showers. Snow level 3900 feet rising to 4600 feet in the afternoon. High near 46. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Sunday Night

Showers. Snow level 4400 feet. Low around 44. West wind 6 to 8 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Monday

Showers. Snow level 4200 feet. High near 47. West wind around 6 mph. Chance of precipitation is 80%.

Monday Night

A 40 percent chance of showers before 11pm. Snow level 4600 feet lowering to 3700 feet after midnight . Mostly cloudy, with a low around 40.

Tuesday

A 20 percent chance of showers after 11am. Snow level 3400 feet rising to 4300 feet in the afternoon. Partly sunny, with a high near 51.

Tuesday Night

Rain, mainly after 11pm. Snow level 4100 feet. Mostly cloudy, with a low around 43.

Wednesday

Rain. Snow level 4600 feet. Cloudy, with a high near 44.

Wednesday Night

Rain likely before 8pm, then rain and snow likely between 8pm and 11pm, then a chance of snow after 11pm. Snow level 4100 feet lowering to 2600 feet after midnight . Mostly cloudy, with a low around 34.

Thursday

A slight chance of snow. Sunny, with a high near 51.

Thursday Night

Mostly clear, with a low around 35.

Friday

Sunny, with a high near 61.