Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. 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: 2:11 pm PDT Mar 21, 2026
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  • This
    Afternoon

    This Afternoon: Sunny, with a high near 64. North northeast wind around 9 mph.

    High: 64 °F

    Sunny


  • Tonight

    Tonight: Widespread frost, mainly after 2am.  Otherwise, partly cloudy, with a low around 33. North wind 7 to 10 mph.

    Low: 33 °F

    Frost


  • Sunday

    Sunday: Widespread frost before 11am.  Otherwise, mostly sunny, with a high near 66. North wind around 9 mph.

    High: 66 °F

    Frost then
    Mostly Sunny

  • Sunday
    Night

    Sunday Night: Areas of frost after 5am.  Otherwise, mostly cloudy, with a low around 36. North wind 5 to 7 mph.

    Low: 36 °F

    Mostly Cloudy
    then Areas
    Frost

  • Monday

    Monday: Areas of frost before 8am.  Otherwise, partly sunny, with a high near 68. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 68 °F

    Areas Frost
    then Partly
    Sunny

  • Monday
    Night

    Monday Night: A 30 percent chance of rain after 11pm.  Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance Rain


  • Tuesday

    Tuesday: Rain likely, mainly after 11am.  Partly sunny, with a high near 63. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Rain Likely


  • Tuesday
    Night

    Tuesday Night: Rain likely.  Mostly cloudy, with a low around 41.

    Low: 41 °F

    Rain Likely


  • Wednesday

    Wednesday: Rain likely, mainly before 11am.  Mostly cloudy, with a high near 62.

    High: 62 °F

    Rain Likely


  • This Afternoon: Sunny, with a high near 64. North northeast wind around 9 mph.

    Tonight: Widespread frost, mainly after 2am. Otherwise, partly cloudy, with a low around 33. North wind 7 to 10 mph.

    Sunday: Widespread frost before 11am. Otherwise, mostly sunny, with a high near 66. North wind around 9 mph.

    Sunday Night: Areas of frost after 5am. Otherwise, mostly cloudy, with a low around 36. North wind 5 to 7 mph.

    Monday: Areas of frost before 8am. Otherwise, partly sunny, with a high near 68. Calm wind becoming west southwest around 5 mph in the afternoon.

    Monday Night: A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 44.

    Tuesday: Rain likely, mainly after 11am. Partly sunny, with a high near 63. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Tuesday Night: Rain likely. Mostly cloudy, with a low around 41.

    Wednesday: Rain likely, mainly before 11am. Mostly cloudy, with a high near 62.

    Wednesday Night: A slight chance of rain before 11pm. Snow level 5200 feet lowering to 3400 feet after midnight . Mostly cloudy, with a low around 33.

    Thursday: Mostly sunny, with a high near 64.

    Thursday Night: Partly cloudy, with a low around 34.

    Friday: Mostly sunny, with a high near 70.



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

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