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

Illinois Valley OR

  • Overnight

    Overnight: A 20 percent chance of rain before 5am.  Mostly cloudy, with a steady temperature around 41. Calm wind.

    Low: 41 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: A 20 percent chance of rain between 3pm and 4pm.  Patchy fog between 8am and 9am.  Otherwise, partly sunny, with a high near 57. Light and variable wind.

    High: 57 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Rain, mainly after 2am.  Low around 39. Calm wind.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Slight Chance
    Rain then
    Rain

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 4pm, then rain and possibly a thunderstorm after 4pm.  Snow level 4000 feet. High near 47. Calm wind becoming west southwest around 6 mph in the morning.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 47 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain, mainly before 4am.  Areas of fog after 10pm. Snow level 3700 feet. Low around 35. Calm wind.  Chance of precipitation is 90%.

    Low: 35 °F

    Rain and
    Areas Fog
    then Rain
    Likely and
    Areas Fog

  • Thursday

    Thursday: A 50 percent chance of rain, mainly before 10am.  Patchy fog before 10am. Snow level 3200 feet rising to 4000 feet in the afternoon.  Otherwise, partly sunny, with a high near 51.

    High: 51 °F

    Chance Rain
    and Patchy
    Fog then
    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain.  Snow level 4300 feet. Partly cloudy, with a low around 32.

    Low: 32 °F

    Slight Chance
    Rain

  • Friday

    Friday: A slight chance of rain before 10am.  Mostly sunny, with a high near 55.

    High: 55 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of rain before 5am. Mostly cloudy, with a steady temperature around 41. Calm wind.
Tuesday
A 20 percent chance of rain between 3pm and 4pm. Patchy fog between 8am and 9am. Otherwise, partly sunny, with a high near 57. Light and variable wind.
Tuesday Night
Rain, mainly after 2am. Low around 39. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Showers and possibly a thunderstorm before 4pm, then rain and possibly a thunderstorm after 4pm. Snow level 4000 feet. High near 47. Calm wind becoming west southwest around 6 mph in the morning. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Rain, mainly before 4am. Areas of fog after 10pm. Snow level 3700 feet. Low around 35. Calm wind. Chance of precipitation is 90%.
Thursday
A 50 percent chance of rain, mainly before 10am. Patchy fog before 10am. Snow level 3200 feet rising to 4000 feet in the afternoon. Otherwise, partly sunny, with a high near 51.
Thursday Night
A 20 percent chance of rain. Snow level 4300 feet. Partly cloudy, with a low around 32.
Friday
A slight chance of rain before 10am. Mostly sunny, with a high near 55.
Friday Night
Partly cloudy, with a low around 37.
Saturday
Partly sunny, with a high near 65.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Mostly sunny, with a high near 66.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 39.
Monday
A chance of rain. Partly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
Illinois Valley OR
 42.09°N 123.68°W (Elev. 1394 ft)
3:41 am PST Mar 3, 2026
4am PST Mar 3, 2026-6pm PDT Mar 9, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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