National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Snow level 6700 feet. Mostly sunny, with a high near 48. Light west southwest wind.

    High: 48 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers before 1am, then a slight chance of rain between 1am and 5am. Snow level 6800 feet lowering to 6100 feet after midnight . Mostly cloudy, with a low around 40. South southwest wind around 6 mph. Chance of precipitation is 20%.

    Low: 40 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 50 percent chance of rain, mainly after 3pm. 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 10pm. Snow level 5400 feet. Low around 38. South southwest wind 9 to 11 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Rain

  • Wednesday

    Wednesday: Rain and snow showers, becoming all snow after 10am. 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 showers. Low around 37. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 37 °F

    Snow Showers

  • Thursday

    Thursday: Snow showers 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 Showers
    Likely then
    Chance Snow
    Showers

  • 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.

    Low: 37 °F

    Chance
    Rain/Snow

  • Friday

    Friday: A chance of rain and snow, mainly before 10am. Snow level 4900 feet rising to 5500 feet in the afternoon. Mostly sunny, with a high near 49.

    High: 49 °F

    Chance
    Rain/Snow

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Snow level 6700 feet. Mostly sunny, with a high near 48. Light west southwest wind.
Tonight
A slight chance of showers before 1am, then a slight chance of rain between 1am and 5am. Snow level 6800 feet lowering to 6100 feet after midnight . Mostly cloudy, with a low around 40. South southwest wind around 6 mph. Chance of precipitation is 20%.
Tuesday
A 50 percent chance of rain, mainly after 3pm. Snow level 5700 feet. Mostly cloudy, with a high near 43. South southwest wind 7 to 9 mph.
Tuesday Night
Rain, mainly after 10pm. Snow level 5400 feet. Low around 38. South southwest wind 9 to 11 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain and snow showers, becoming all snow after 10am. 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 showers. Low around 37. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday
Snow showers 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.
Friday
A chance of rain and snow, mainly before 10am. Snow level 4900 feet rising to 5500 feet in the afternoon. Mostly sunny, with a high near 49.
Friday Night
A slight chance of rain before 10pm. Snow level 6400 feet rising to 7300 feet after midnight. 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
A slight chance of rain. Snow level 7400 feet. Partly sunny, with a high near 57.
Sunday Night
A 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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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles WNW Illinois Valley OR
 42.18°N 123.98°W (Elev. 4344 ft)
Last Update:
3:41 pm PST Mar 2, 2026
Forecast Valid:
5pm PST Mar 2, 2026-6pm PDT Mar 9, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation