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.

NA

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
Extended Forecast for

8 Miles WNW Illinois Valley OR

  • Today

    Today: A 30 percent chance of rain, mainly between noon and 2pm.  Snow level 6300 feet. Mostly sunny, with a high near 51. West southwest wind around 5 mph becoming light and variable.

    High: 51 °F

    Chance Rain

  • Tonight

    Tonight: A slight chance of rain between 7pm and 9pm.  Snow level 6600 feet lowering to 5900 feet after midnight . Mostly cloudy, with a low around 40. Light and variable wind becoming southwest around 6 mph after midnight.  Chance of precipitation is 20%.

    Low: 40 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of rain.  Snow level 5600 feet. Mostly cloudy, with a high near 47. Southwest wind 7 to 9 mph, with gusts as high as 20 mph.

    High: 47 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly between 10pm and 4am, then showers and possibly a thunderstorm after 4am.  Snow level 5500 feet. Low around 40. South southwest wind 9 to 11 mph, with gusts as high as 21 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 7am, then rain after 7am.  Snow level 4300 feet. High near 41. West wind 11 to 13 mph, with gusts as high as 22 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 41 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain before 4am, then a chance of rain and snow.  Snow level 3800 feet. Low around 35. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain then
    Chance
    Rain/Snow

  • Thursday

    Thursday: A chance of rain and snow before 10am, then a chance of rain.  Snow level 3300 feet rising to 4100 feet in the afternoon. Partly sunny, with a high near 46. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 46 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Thursday Night

    Thursday Night: A chance of rain, mainly before 10pm.  Snow level 4700 feet. Partly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain

  • Friday

    Friday: A slight chance of rain.  Snow level 5200 feet rising to 6100 feet in the afternoon. Partly sunny, with a high near 52.

    High: 52 °F

    Slight Chance
    Rain

Detailed Forecast

Today
A 30 percent chance of rain, mainly between noon and 2pm. Snow level 6300 feet. Mostly sunny, with a high near 51. West southwest wind around 5 mph becoming light and variable.
Tonight
A slight chance of rain between 7pm and 9pm. Snow level 6600 feet lowering to 5900 feet after midnight . Mostly cloudy, with a low around 40. Light and variable wind becoming southwest around 6 mph after midnight. Chance of precipitation is 20%.
Tuesday
A 50 percent chance of rain. Snow level 5600 feet. Mostly cloudy, with a high near 47. Southwest wind 7 to 9 mph, with gusts as high as 20 mph.
Tuesday Night
Rain, mainly between 10pm and 4am, then showers and possibly a thunderstorm after 4am. Snow level 5500 feet. Low around 40. South southwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers and possibly a thunderstorm before 7am, then rain after 7am. Snow level 4300 feet. High near 41. West wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain before 4am, then a chance of rain and snow. Snow level 3800 feet. Low around 35. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday
A chance of rain and snow before 10am, then a chance of rain. Snow level 3300 feet rising to 4100 feet in the afternoon. Partly sunny, with a high near 46. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday Night
A chance of rain, mainly before 10pm. Snow level 4700 feet. Partly cloudy, with a low around 37.
Friday
A slight chance of rain. Snow level 5200 feet rising to 6100 feet in the afternoon. Partly sunny, with a high near 52.
Friday Night
A slight chance of rain before 10pm. Mostly cloudy, with a low around 42.
Saturday
Partly sunny, with a high near 57.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
A slight chance of rain. Snow level 6200 feet. Mostly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles WNW Illinois Valley OR
 42.14°N 123.81°W (Elev. 3209 ft)
3:41 am PST Mar 2, 2026
7am PST Mar 2, 2026-6pm PDT Mar 8, 2026
 
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