Prolonged Extreme Cold; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the Gulf Coast, upper Ohio Valley, Mid-Atlantic, and Southeast U.S. into this weekend. A rapidly deepening storm centered just off the North Carolina coast Friday night through Saturday night will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10375°NLon: 123.68508°WElev: 1389.0ft.

39°F

4°C

Humidity	97%
Wind Speed	WNW 0 MPH
Barometer	NA
Dewpoint	38°F (3°C)
Visibility	NA
Last update	29 Jan 07:52 PM PST

More Information:

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

Extended Forecast for

17 Miles WNW Illinois Valley OR

Tonight
Low: 43 °F
Mostly Cloudy
Friday
High: 50 °F
Partly Sunny
then Slight
Chance Rain
Friday Night
Low: 46 °F
Mostly Cloudy
Saturday
High: 56 °F
Partly Sunny
Saturday Night
Low: 44 °F
Chance Rain
then Rain
Sunday
High: 45 °F
Showers
Sunday Night
Low: 39 °F
Chance Rain
then Slight
Chance
Rain/Snow
Monday
High: 51 °F
Mostly Sunny
Monday Night
Low: 41 °F
Mostly Clear

Detailed Forecast

Tonight

Mostly cloudy, with a low around 43. South southwest wind 10 to 14 mph.

Friday

A 20 percent chance of rain after 3pm. Snow level 5500 feet rising to 7700 feet in the afternoon. Mostly sunny, with a high near 50. South southwest wind 10 to 14 mph.

Friday Night

Mostly cloudy, with a low around 46. East southeast wind around 11 mph.

Saturday

Partly sunny, with a high near 56. East southeast wind around 14 mph becoming south in the afternoon.

Saturday Night

Rain, mainly after 4am. Snow level 5600 feet. Low around 44. South wind 11 to 13 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Sunday

Rain before 10am, then showers and possibly a thunderstorm between 10am and 4pm, then a chance of rain and thunderstorms after 4pm. Snow level 5700 feet. High near 45. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night

A chance of rain before 1am, then a slight chance of rain and snow. Snow level 4900 feet. Mostly cloudy, with a low around 39. Chance of precipitation is 50%. Little or no snow accumulation expected.

Monday

Mostly sunny, with a high near 51.

Monday Night

Mostly clear, with a low around 41.

Tuesday

Sunny, with a high near 58.

Tuesday Night

Partly cloudy, with a low around 44.

Wednesday

Mostly sunny, with a high near 60.

Wednesday Night

Partly cloudy, with a low around 45.