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

8 Miles WNW Illinois Valley OR

Overnight
Low: 45 °F
Showers
Sunday
High: 48 °F
Showers
Sunday Night
Low: 41 °F
Rain Likely
Monday
High: 50 °F
Chance Rain
Monday Night
Low: 40 °F
Chance Rain
Tuesday
High: 46 °F
Chance Rain
Tuesday Night
Low: 41 °F
Rain
Wednesday
High: 43 °F
Rain
Wednesday Night
Low: 35 °F
Rain Likely
then Chance
Rain/Snow

Detailed Forecast

Overnight

Showers and possibly a thunderstorm. Low around 45. South southwest wind around 7 mph. Chance of precipitation is 80%.

Sunday

Rain and possibly a thunderstorm before 1pm, then showers and possibly a thunderstorm between 1pm and 4pm, then rain and possibly a thunderstorm after 4pm. High near 48. South southwest wind 7 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night

Rain likely, mainly before 7pm. Snow level 6000 feet. Mostly cloudy, with a low around 41. West southwest wind 3 to 6 mph. Chance of precipitation is 60%.

Monday

A 50 percent chance of rain. Snow level 5900 feet. Partly sunny, with a high near 50. Calm wind.

Monday Night

A 30 percent chance of rain, mainly before 10pm. Snow level 6100 feet. Mostly cloudy, with a low around 40. South southwest wind around 6 mph.

Tuesday

A 50 percent chance of rain. Snow level 5700 feet. Mostly cloudy, with a high near 46.

Tuesday Night

Rain, mainly after 10pm. Snow level 5400 feet. Low around 41. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday

Rain. Snow level 4500 feet. Cloudy, with a high near 43.

Wednesday Night

Rain likely before 4am, then a chance of rain and snow. Snow level 3900 feet. Mostly cloudy, with a low around 35.

Thursday

A chance of rain and snow before 10am, then a chance of rain. Snow level 3500 feet rising to 4300 feet in the afternoon. Partly sunny, with a high near 47.

Thursday Night

A chance of rain. Snow level 4600 feet. Mostly cloudy, with a low around 39.

Friday

A slight chance of rain. Snow level 4800 feet rising to 5600 feet in the afternoon. Mostly sunny, with a high near 52.

Friday Night

A slight chance of rain. Snow level 6200 feet. Mostly cloudy, with a low around 39.

Saturday

A chance of rain. Partly sunny, with a high near 55.