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.

50°F

10°C

Humidity	100%
Wind Speed	N 0 MPH
Barometer	NA
Dewpoint	50°F (10°C)
Visibility	NA
Last update	10 Apr 11:52 PM PDT

More Information:

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

Extended Forecast for

16 Miles SE Agness OR

Overnight
Low: 47 °F
Rain
Saturday
High: 47 °F
Showers
Saturday Night
Low: 42 °F
Rain then
Rain/Snow
Likely
Sunday
High: 47 °F
Showers
Sunday Night
Low: 42 °F
Rain
Monday
High: 47 °F
Rain Likely
Monday Night
Low: 40 °F
Chance Rain
then Mostly
Cloudy
Tuesday
High: 50 °F
Slight Chance
Rain
Tuesday Night
Low: 43 °F
Rain Likely

Detailed Forecast

Overnight

Rain, mainly after 3am. Low around 47. South wind around 6 mph. 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. Snow level 5600 feet lowering to 4900 feet in the afternoon . High near 47. Calm 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. Snow level 5100 feet lowering to 4500 feet after midnight . Low around 42. 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 4600 feet in the afternoon. High near 47. 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 42. West wind 3 to 7 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 47. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

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 40.

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 50.

Tuesday Night

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

Wednesday

Rain. Snow level 4300 feet. Mostly cloudy, with a high near 45.

Wednesday Night

Rain and snow likely. Snow level 3900 feet lowering to 2600 feet after midnight . Mostly cloudy, with a low around 34.

Thursday

A slight chance of snow. Snow level rising to 3400 feet in the afternoon. Mostly sunny, with a high near 52.