Winter Weather in the Eastern U.S.; Heavy Rains Begin Across the Southern Plains into the Ohio Valley

A wintry mix may impact travel across portions of the Mid-Atlantic through the morning and the Northeast U.S. through Tuesday. Heavy rain and thunderstorms may cause a flooding threat across the Southern Plains into the Ohio Valley beginning Tuesday. Fire weather concerns will continue across portions of the central and southern High Plains through Wednesday. 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

17 Miles WNW Illinois Valley OR

  • Overnight

    Overnight: A 30 percent chance of rain, mainly between 3am and 5am.  Snow level 6100 feet. Mostly cloudy, with a low around 40. South southwest wind around 6 mph.

    Low: 40 °F

    Chance Rain

  • Tuesday

    Tuesday: A 40 percent chance of rain between 3pm and 4pm.  Snow level 5700 feet. Mostly cloudy, with a high near 43. South southwest wind 7 to 9 mph.

    High: 43 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly after 1am.  Snow level 5400 feet. Low around 38. South southwest wind 9 to 11 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 38 °F

    Chance Rain
    then Rain

  • Wednesday

    Wednesday: Rain and snow showers, becoming all snow after 7am. Some thunder is also possible.  High near 40. West southwest wind 13 to 17 mph, with gusts as high as 26 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 40 °F

    Rain/Snow
    then Snow
    Showers

  • Wednesday Night

    Wednesday Night: Snow.  Low around 37. North wind 7 to 9 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 37 °F

    Snow

  • Thursday

    Thursday: Snow likely, mainly before 10am.  Partly sunny, with a high near 45. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 45 °F

    Snow Likely
    then Chance
    Snow

  • Thursday Night

    Thursday Night: A chance of snow before 10pm, then a chance of rain and snow.  Snow level 4400 feet. Mostly cloudy, with a low around 37. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 37 °F

    Chance
    Rain/Snow

  • Friday

    Friday: A chance of rain and snow before 1pm, then a slight chance of rain.  Snow level 4900 feet rising to 5500 feet in the afternoon. Mostly sunny, with a high near 49.

    High: 49 °F

    Chance
    Rain/Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of rain, mainly between 3am and 5am. Snow level 6100 feet. Mostly cloudy, with a low around 40. South southwest wind around 6 mph.
Tuesday
A 40 percent chance of rain between 3pm and 4pm. Snow level 5700 feet. Mostly cloudy, with a high near 43. South southwest wind 7 to 9 mph.
Tuesday Night
Rain, mainly after 1am. Snow level 5400 feet. Low around 38. South southwest wind 9 to 11 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
Rain and snow showers, becoming all snow after 7am. Some thunder is also possible. High near 40. West southwest wind 13 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday Night
Snow. Low around 37. North wind 7 to 9 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday
Snow likely, mainly before 10am. Partly sunny, with a high near 45. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday Night
A chance of snow before 10pm, then a chance of rain and snow. Snow level 4400 feet. Mostly cloudy, with a low around 37. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday
A chance of rain and snow before 1pm, then a slight chance of rain. Snow level 4900 feet rising to 5500 feet in the afternoon. Mostly sunny, with a high near 49.
Friday Night
Partly cloudy, with a low around 42.
Saturday
Partly sunny, with a high near 58.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Partly sunny, with a high near 57.
Sunday Night
A slight chance of rain and snow. Snow level 6900 feet lowering to 6100 feet after midnight . Mostly cloudy, with a low around 42.
Monday
A chance of rain and snow. Snow level 5300 feet. Mostly cloudy, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles WNW Illinois Valley OR
 42.18°N 123.98°W (Elev. 4344 ft)
12:41 am PST Mar 3, 2026
1am PST Mar 3, 2026-6pm PDT Mar 9, 2026
 
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Additional Resources

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Hourly Weather Forecast

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