Severe Thunderstorms and Heavy Rain in the Mississippi Valley; Fire Weather Concerns in the Southern High Plains

Severe thunderstorms and the threat for excessive rainfall will move into the mid-Mississippi and lower Ohio Valleys today. There is potential for a few strong tornadoes, damaging wind gusts, large hail, and scattered flash flooding. Low humidity and windy conditions will continue to produce elevated to critical fire weather conditions across the southern High Plains into midweek. 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: 4:41 am PDT Apr 27, 2026
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  • Today

    Today: Areas of fog before 9am. Patchy frost before 8am.  Otherwise, mostly sunny, with a high near 66. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 66 °F

    Patchy Frost
    and Areas Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Patchy fog after midnight. Patchy frost after 4am.  Otherwise, mostly clear, with a low around 36. Calm wind becoming north around 5 mph.

    Low: 36 °F

    Partly Cloudy
    then Patchy
    Frost and
    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 9am. Patchy frost before 7am.  Otherwise, sunny, with a high near 72. Light northeast wind.

    High: 72 °F

    Patchy Frost
    and Areas Fog
    then Sunny

  • Tuesday
    Night

    Tuesday Night: Clear, with a low around 38. Calm wind becoming north northeast around 5 mph after midnight.

    Low: 38 °F

    Clear



  • Wednesday

    Wednesday: Sunny, with a high near 77. North wind around 5 mph becoming calm  in the morning.

    High: 77 °F

    Sunny



  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear



  • Thursday

    Thursday: Sunny, with a high near 79.

    High: 79 °F

    Sunny



  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear



  • Friday

    Friday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny



  • Today: Areas of fog before 9am. Patchy frost before 8am. Otherwise, mostly sunny, with a high near 66. Calm wind becoming west southwest around 6 mph in the afternoon.

    Tonight: Patchy fog after midnight. Patchy frost after 4am. Otherwise, mostly clear, with a low around 36. Calm wind becoming north around 5 mph.

    Tuesday: Areas of fog before 9am. Patchy frost before 7am. Otherwise, sunny, with a high near 72. Light northeast wind.

    Tuesday Night: Clear, with a low around 38. Calm wind becoming north northeast around 5 mph after midnight.

    Wednesday: Sunny, with a high near 77. North wind around 5 mph becoming calm in the morning.

    Wednesday Night: Mostly clear, with a low around 41.

    Thursday: Sunny, with a high near 79.

    Thursday Night: Mostly clear, with a low around 43.

    Friday: Mostly sunny, with a high near 78.

    Friday Night: Partly cloudy, with a low around 44.

    Saturday: Partly sunny, with a high near 74.

    Saturday Night: Partly cloudy, with a low around 45.

    Sunday: Mostly sunny, with a high near 77.



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

    Visit your local NWS office at: https://www.weather.gov/mfr