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 >

Hazardous Weather Conditions

Winter Weather Advisory until April 12, 11:00 AM PDT

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10386°NLon: 123.68519°WElev: 1389.0ft.

40°F

4°C

Humidity	100%
Wind Speed	NNE 1 MPH
Barometer	NA
Dewpoint	40°F (4°C)
Visibility	NA
Last update	12 Apr 05:52 AM PDT

More Information:

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

Extended Forecast for

16 Miles ESE Gasquet CA

Winter Weather Advisory April 12, 06:40am until April 12, 11:00am

Click here for hazard details and duration

...

Winter Weather Advisory April 12, 06:40am until April 12, 11:00am
NOW until 11:00am Sun
Winter Weather Advisory
Today
High: 38 °F
Chance Snow
then Snow
Showers
Tonight
Low: 33 °F
Snow Likely
then Chance
Snow
Monday
High: 36 °F
Snow Likely
Monday Night
Low: 31 °F
Slight Chance
Snow then
Mostly Cloudy
Tuesday
High: 40 °F
Partly Sunny
Tuesday Night
Low: 34 °F
Snow Likely
Wednesday
High: 36 °F
Snow then
Rain/Snow
Wednesday Night
Low: 25 °F
Chance
Rain/Snow
then Chance
Snow

Detailed Forecast

Today

Snow showers, mainly before 4pm, then a chance of snow after 5pm. Some thunder is also possible. High near 38. Light and variable wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.

Tonight

Snow likely, mainly before 2am. Mostly cloudy, with a low around 33. West wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Monday

Snow likely. Mostly cloudy, with a high near 36. Southwest wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Monday Night

A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 31. West wind 6 to 10 mph, with gusts as high as 22 mph.

Tuesday

Partly sunny, with a high near 40. West southwest wind 6 to 15 mph, with gusts as high as 21 mph.

Tuesday Night

Snow likely, mainly after 11pm. Mostly cloudy, with a low around 34. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

Wednesday

Snow before 5pm, then snow, possibly mixed with rain. High near 36. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Wednesday Night

A chance of rain and snow before 8pm, then a chance of snow. Mostly cloudy, with a low around 25.

Thursday

Sunny, with a high near 41.

Thursday Night

Clear, with a low around 28.

Friday

Sunny, with a high near 50.

Friday Night

Partly cloudy, with a low around 35.