Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for 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	WNW 0 MPH
Barometer	NA
Dewpoint	50°F (10°C)
Visibility	NA
Last update	10 Apr 06:52 AM PDT

More Information:

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

Extended Forecast for

12 Miles NNE Happy Camp CA

Today
High: 47 °F
Chance
T-storms then
Showers
Tonight
Low: 39 °F
Showers then
Rain/Snow
Likely
Saturday
High: 40 °F
Rain/Snow
Saturday Night
Low: 37 °F
Rain/Snow
then Snow
Likely
Sunday
High: 38 °F
Snow then
Rain/Snow
Sunday Night
Low: 37 °F
Rain/Snow
Likely then
Chance Snow
Monday
High: 40 °F
Snow Likely
Monday Night
Low: 34 °F
Chance
Rain/Snow
then Mostly
Cloudy
Tuesday
High: 47 °F
Mostly Sunny

Detailed Forecast

Today

A chance of rain and thunderstorms, then showers and possibly a thunderstorm after noon. Snow level 7000 feet. High near 47. South southwest wind 6 to 9 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Tonight

Rain and snow, becoming all rain after 4am. Some thunder is also possible. Snow level 6300 feet lowering to 5700 feet after midnight . Low around 39. Southwest wind around 8 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Saturday

Rain, possibly mixed with snow showers. Some thunder is also possible. Snow level 5600 feet. High near 40. Southwest wind around 9 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Saturday Night

Rain and snow, becoming all snow after 11pm. Low around 37. Southwest wind 5 to 10 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Sunday

Snow before 2pm, then snow, possibly mixed with rain. High near 38. West southwest wind 8 to 11 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Sunday Night

Rain and snow likely, becoming all snow after 8pm. Mostly cloudy, with a low around 37. Chance of precipitation is 70%. Little or no snow accumulation expected.

Monday

Snow likely, mainly before 11am. Partly sunny, with a high near 40. Chance of precipitation is 60%. Little or no snow accumulation expected.

Monday Night

A chance of rain and snow before 11pm. Mostly cloudy, with a low around 34.

Tuesday

Mostly sunny, with a high near 47.

Tuesday Night

A slight chance of snow after 11pm. Snow level 6200 feet lowering to 5100 feet after midnight . Mostly cloudy, with a low around 36.

Wednesday

A chance of rain and snow. Snow level rising to 5700 feet in the afternoon. Partly sunny, with a high near 43.

Wednesday Night

A chance of rain. Mostly cloudy, with a low around 35.