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.

57°F

14°C

Humidity	86%
Wind Speed	NNW 1 MPH
Barometer	NA
Dewpoint	53°F (12°C)
Visibility	NA
Last update	10 Apr 09:52 AM PDT

More Information:

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

Extended Forecast for

12 Miles NE Happy Camp CA

Today
High: 45 °F⇓
Chance
T-storms then
Showers
Tonight
Low: 39 °F
Rain/Snow
Saturday
High: 40 °F⇓
Rain/Snow
then Snow
Showers
Saturday Night
Low: 37 °F
Snow then
Chance Snow
Sunday
High: 38 °F
Snow
Sunday Night
Low: 37 °F
Snow Likely
then Chance
Snow
Monday
High: 40 °F
Chance Snow
Monday Night
Low: 34 °F
Slight Chance
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. Temperature falling to around 42 by 5pm. Southwest wind around 8 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Tonight

Rain, possibly mixed with snow. Some thunder is also possible. Snow level 6400 feet lowering to 5800 feet after midnight . Low around 39. Southwest wind around 7 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Saturday

Rain and snow showers, becoming all snow after 8am. Some thunder is also possible. Temperature falling to around 37 by 4pm. South southeast wind 7 to 9 mph becoming southwest in the afternoon. Chance of precipitation is 100%. Little or no snow accumulation expected.

Saturday Night

Snow, mainly before 11pm. Low around 37. Southwest wind 5 to 9 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Sunday

Snow. High near 38. Southwest wind 9 to 11 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Sunday Night

Snow likely, mainly before 11pm. Mostly cloudy, with a low around 37. Chance of precipitation is 70%. Little or no snow accumulation expected.

Monday

A 50 percent chance of snow. Partly sunny, with a high near 40. Little or no snow accumulation expected.

Monday Night

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

Tuesday

Mostly sunny, with a high near 47.