Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for the High Plains. Read More >

7-Day Forecast 42.11°N 123.69°W (Text-Only)
NWS Forecast for: Illinois Valley OR
Issued by: National Weather Service Medford, OR
Last Update: 10:02 pm PDT Apr 21, 2026
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  • Tonight

    Tonight: A 40 percent chance of rain, mainly after 3am.  Snow level 4500 feet. Mostly cloudy, with a low around 37. South southwest wind 3 to 6 mph.

    Low: 37 °F

    Chance Rain


  • Wednesday

    Wednesday: Rain likely, mainly between 11am and 2pm.  Snow level 4600 feet. Mostly cloudy, with a high near 57. Light south southwest wind becoming west southwest 5 to 9 mph in the morning.  Chance of precipitation is 60%.

    High: 57 °F

    Rain Likely


  • Wednesday
    Night

    Wednesday Night: A 20 percent chance of rain before 11pm.  Snow level 4700 feet lowering to 4100 feet. Mostly cloudy, with a low around 33. West southwest wind around 6 mph becoming calm  in the evening.

    Low: 33 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 67. Light north northeast wind.

    High: 67 °F

    Mostly Sunny


  • Thursday
    Night

    Thursday Night: Clear, with a low around 34. North wind around 5 mph.

    Low: 34 °F

    Clear


  • Friday

    Friday: Sunny, with a high near 74.

    High: 74 °F

    Sunny


  • Friday
    Night

    Friday Night: Clear, with a low around 38.

    Low: 38 °F

    Clear


  • Saturday

    Saturday: Sunny, with a high near 70.

    High: 70 °F

    Sunny


  • Saturday
    Night

    Saturday Night: A slight chance of rain before 11pm.  Mostly clear, with a low around 37.

    Low: 37 °F

    Slight Chance
    Rain then
    Mostly Clear

  • Tonight: A 40 percent chance of rain, mainly after 3am. Snow level 4500 feet. Mostly cloudy, with a low around 37. South southwest wind 3 to 6 mph.

    Wednesday: Rain likely, mainly between 11am and 2pm. Snow level 4600 feet. Mostly cloudy, with a high near 57. Light south southwest wind becoming west southwest 5 to 9 mph in the morning. Chance of precipitation is 60%.

    Wednesday Night: A 20 percent chance of rain before 11pm. Snow level 4700 feet lowering to 4100 feet. Mostly cloudy, with a low around 33. West southwest wind around 6 mph becoming calm in the evening.

    Thursday: Mostly sunny, with a high near 67. Light north northeast wind.

    Thursday Night: Clear, with a low around 34. North wind around 5 mph.

    Friday: Sunny, with a high near 74.

    Friday Night: Clear, with a low around 38.

    Saturday: Sunny, with a high near 70.

    Saturday Night: A slight chance of rain before 11pm. Mostly clear, with a low around 37.

    Sunday: A slight chance of rain after 11am. Mostly sunny, with a high near 64.

    Sunday Night: A slight chance of rain. Partly cloudy, with a low around 37.

    Monday: A slight chance of rain. Mostly sunny, with a high near 65.

    Monday Night: A slight chance of rain. Partly cloudy, with a low around 38.

    Tuesday: A slight chance of rain. Mostly sunny, with a high near 70.



    Illinois Valley OR
     42.11°N 123.69°W (Elev. 1398 ft)

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