Winter Returns Across the Northern Tier; Record Warmth for the Southwest

A large high pressure system will usher in cold air for this first day of March across the northern Plains, Great Lakes, Northeast and mid-Atlantic. Some wintry precipitation may evolve across the mid-Mississippi Valley, Ohio Valley and mid-Atlantic through Monday. Meanwhile, record warmth will spread across the Southwest, southern Plains through early this week. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

51°F

11°C

Humidity	99%
Wind Speed	NE 0 MPH
Barometer	NA
Dewpoint	51°F (11°C)
Visibility	NA
Last update	01 Mar 12:52 AM PST

More Information:

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

Extended Forecast for

17 Miles WNW Illinois Valley OR

This Afternoon
High: 45 °F
Showers
Tonight
Low: 41 °F
Showers
Monday
High: 47 °F
Chance
Showers
Monday Night
Low: 40 °F
Chance Rain
Tuesday
High: 44 °F
Rain Likely
Tuesday Night
Low: 40 °F
Showers
Wednesday
High: 42 °F
Rain/Snow
then Snow
Wednesday Night
Low: 36 °F
Snow
Thursday
High: 44 °F
Snow Likely

Detailed Forecast

This Afternoon

Showers and possibly a thunderstorm. Snow level 6400 feet. Steady temperature around 45. South southwest wind 8 to 10 mph. Chance of precipitation is 90%.

Tonight

Showers and possibly a thunderstorm before 7pm, then showers likely. Snow level 6200 feet. Low around 41. South wind 3 to 6 mph. Chance of precipitation is 80%.

Monday

A chance of showers before 10am, then a chance of rain, mainly between 10am and 3pm. Snow level 6100 feet. Partly sunny, with a high near 47. Light and variable wind becoming west southwest around 6 mph in the afternoon. Chance of precipitation is 50%.

Monday Night

A 40 percent chance of rain. Snow level 6100 feet. Mostly cloudy, with a low around 40. South southwest wind 5 to 7 mph.

Tuesday

Rain likely. Snow level 5400 feet. Mostly cloudy, with a high near 44. South southwest wind 8 to 11 mph. Chance of precipitation is 70%.

Tuesday Night

Rain, mainly before 4am, then showers and possibly a thunderstorm after 4am. Snow level 5400 feet. Low around 40. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Wednesday

Snow, possibly mixed with rain, becoming all snow after 10am. Some thunder is also possible. High near 42. Chance of precipitation is 100%. Little or no snow accumulation expected.

Wednesday Night

Snow, mainly before 10pm. Mostly cloudy, with a low around 36.

Thursday

Snow likely, mainly before 10am. Mostly cloudy, with a high near 44.

Thursday Night

A chance of rain and snow. Snow level 4900 feet. Mostly cloudy, with a low around 39.

Friday

A chance of rain and snow. Snow level 5200 feet rising to 6100 feet in the afternoon. Partly sunny, with a high near 51.

Friday Night

A chance of rain. Snow level 6800 feet rising to 7400 feet after midnight. Partly cloudy, with a low around 42.

Saturday

A slight chance of rain. Partly sunny, with a high near 56.