Late January Extreme Cold; Watching for Another East Coast Storm Threat This Weekend

Well below normal temperatures will continue for the eastern half of the Lower 48 this week. Another blast of arctic air will spread from the Plains through the East/Southeast Friday into Saturday with more record lows expected even into Florida. Forecasts are being monitored for increasing potential of another significant winter storm to impact the eastern United States this coming weekend. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

44°F

7°C

Humidity	96%
Wind Speed	S 3 MPH
Barometer	NA
Dewpoint	43°F (6°C)
Visibility	NA
Last update	27 Jan 05:52 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: 38 °F
Rain/Snow and
Breezy
Wednesday
High: 42 °F
Rain/Snow
Likely then
Chance Rain
Wednesday Night
Low: 41 °F
Rain Likely
Thursday
High: 48 °F
Chance Rain
Thursday Night
Low: 44 °F
Slight Chance
Rain
Friday
High: 50 °F
Chance Rain
Friday Night
Low: 45 °F
Slight Chance
Rain then
Mostly Cloudy
Saturday
High: 56 °F
Mostly Cloudy
then Slight
Chance Rain
Saturday Night
Low: 45 °F
Chance Rain

Detailed Forecast

Tonight

Rain and snow, mainly before 2am. The rain could be heavy at times. Some thunder is also possible. Snow level 5200 feet lowering to 4500 feet after midnight . Low around 38. Breezy, with a south southwest wind 24 to 29 mph, with gusts as high as 44 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Wednesday

A chance of rain and snow before 7am, then rain likely. Snow level 5000 feet. Mostly cloudy, with a high near 42. South southwest wind 17 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Wednesday Night

Rain likely. Snow level 5300 feet. Mostly cloudy, with a low around 41. South wind 15 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 70%.

Thursday

A 50 percent chance of rain, mainly before 4pm. Snow level 5900 feet. Mostly cloudy, with a high near 48. South wind around 14 mph.

Thursday Night

A slight chance of rain before 10pm, then a slight chance of rain after 4am. Snow level 5500 feet. Mostly cloudy, with a low around 44. South wind 11 to 14 mph. Chance of precipitation is 20%.

Friday

A 30 percent chance of rain, mainly between 10am and 4pm. Snow level 5200 feet rising to 6100 feet in the afternoon. Mostly cloudy, with a high near 50.

Friday Night

A 20 percent chance of rain before 10pm. Snow level 6300 feet. Mostly cloudy, with a low around 45.

Saturday

A slight chance of rain after 4pm. Snow level 6100 feet. Partly sunny, with a high near 56.

Saturday Night

A chance of rain, mainly after 10pm. Snow level 6200 feet. Mostly cloudy, with a low around 45.

Sunday

Rain likely, mainly after 10am. Snow level 5800 feet. Mostly cloudy, with a high near 49.

Sunday Night

Rain and snow likely. Snow level 5200 feet. Mostly cloudy, with a low around 43.

Monday

A chance of rain and snow. Snow level 5300 feet. Partly sunny, with a high near 49.