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

16 Miles SE Agness OR

Tonight
Low: 49 °F
Rain
Saturday
High: 52 °F
Showers
Saturday Night
Low: 44 °F
Rain then
Rain/Snow
Likely
Sunday
High: 53 °F
Showers
Sunday Night
Low: 44 °F
Rain
Monday
High: 53 °F
Rain Likely
Monday Night
Low: 41 °F
Chance Rain
then Mostly
Cloudy
Tuesday
High: 55 °F
Slight Chance
Rain
Tuesday Night
Low: 44 °F
Rain Likely

Detailed Forecast

Tonight

Rain, mainly after 3am. Low around 49. West wind around 6 mph becoming east southeast after midnight. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

Saturday

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. High near 52. Light and variable wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Saturday Night

Rain, possibly mixed with snow, becoming all rain after 4am. Low around 44. East northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. Little or no snow accumulation expected.

Sunday

Rain before 2pm, then showers and possibly a thunderstorm after 2pm. Snow level 4100 feet rising to 4700 feet in the afternoon. High near 53. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night

Rain. Snow level 4800 feet lowering to 3900 feet after midnight . Low around 44. West wind 3 to 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Monday

Rain likely. Snow level 3800 feet rising to 4500 feet in the afternoon. Mostly cloudy, with a high near 53. Chance of precipitation is 70%.

Monday Night

A 30 percent chance of rain before 11pm. Snow level 4600 feet lowering to 3900 feet after midnight . Mostly cloudy, with a low around 41.

Tuesday

A slight chance of rain after 11am. Snow level 3500 feet rising to 4300 feet in the afternoon. Partly sunny, with a high near 55.

Tuesday Night

Rain likely, mainly after 11pm. Snow level 4100 feet. Mostly cloudy, with a low around 44.

Wednesday

Rain. Snow level 4300 feet. Mostly cloudy, with a high near 51.

Wednesday Night

Rain and snow likely. Snow level 3900 feet lowering to 2300 feet after midnight . Mostly cloudy, with a low around 37.