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	NW 0 MPH
Barometer	NA
Dewpoint	50°F (10°C)
Visibility	NA
Last update	10 Apr 05:52 AM PDT

More Information:

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

Extended Forecast for

11 Miles NNE Happy Camp CA

Today
High: 48 °F
Chance
T-storms then
Showers
Tonight
Low: 39 °F
Rain/Snow
Saturday
High: 41 °F
Rain/Snow
Saturday Night
Low: 37 °F
Rain/Snow
then
Rain/Snow
Likely
Sunday
High: 39 °F
Rain/Snow
Sunday Night
Low: 37 °F
Rain/Snow
Likely then
Chance Snow
Monday
High: 42 °F
Snow Likely
then Chance
Rain/Snow
Monday Night
Low: 34 °F
Chance
Rain/Snow
then Mostly
Cloudy
Tuesday
High: 48 °F
Mostly Sunny

Detailed Forecast

Today

A chance of rain and thunderstorms, then showers and possibly a thunderstorm after noon. Snow level 7300 feet lowering to 6800 feet in the afternoon . High near 48. Southeast wind 5 to 7 mph becoming southwest in the afternoon. 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. South southwest wind around 6 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 5500 feet. High near 41. South southwest wind 6 to 8 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Saturday Night

Rain and snow. Snow level 5100 feet. Low around 37. Light and variable wind becoming southwest around 6 mph in the evening. Chance of precipitation is 90%. Little or no snow accumulation expected.

Sunday

Snow likely before 11am, then rain, possibly mixed with snow. Snow level 4900 feet. High near 39. West southwest wind 6 to 8 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Sunday Night

Rain and snow likely before 11pm, then a chance of snow. Snow level 5300 feet lowering to 4800 feet. Mostly cloudy, with a low around 37. Chance of precipitation is 70%. Little or no snow accumulation expected.

Monday

Snow likely before 2pm, then a chance of rain and snow. Partly sunny, with a high near 42. 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 48.

Tuesday Night

A slight chance of snow after 11pm. Snow level 6200 feet lowering to 4800 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 44.

Wednesday Night

A chance of rain and snow. Snow level 5800 feet lowering to 4800 feet after midnight . Mostly cloudy, with a low around 35.

Thursday

Sunny, with a high near 49.