7-Day Forecast 40.42°N 90.5°W (Text-Only)
NWS Forecast for: Adair IL
Issued by: National Weather Service Quad Cities, IA/IL
Last Update: 10:21 am CDT Apr 17, 2026
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  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 5pm.  Partly sunny, with a high near 85. Breezy, with a south wind 20 to 25 mph, with gusts as high as 35 mph.

    High: 85 °F

    Chance
    T-storms and
    Breezy

  • Tonight

    Tonight: Showers and thunderstorms before 1am, then showers likely.  Low around 43. Breezy, with a south wind 15 to 20 mph becoming north after midnight. Winds could gust as high as 35 mph.  Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 43 °F

    Breezy.
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 53. Breezy, with a northwest wind around 20 mph, with gusts as high as 30 mph.

    High: 53 °F

    Decreasing
    Clouds and
    Breezy

  • Saturday
    Night

    Saturday Night: Areas of frost after 4am.  Otherwise, mostly clear, with a low around 34. West wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 34 °F

    Clear then
    Areas Frost


  • Sunday

    Sunday: Widespread frost, mainly before 7am.  Otherwise, sunny, with a high near 59.

    High: 59 °F

    Frost then
    Sunny


  • Sunday
    Night

    Sunday Night: Areas of frost after 5am.  Otherwise, mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear
    then Areas
    Frost

  • Monday

    Monday: Areas of frost before 8am.  Otherwise, sunny, with a high near 65.

    High: 65 °F

    Areas Frost
    then Sunny


  • Monday
    Night

    Monday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear



  • Tuesday

    Tuesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny





  • Today: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 85. Breezy, with a south wind 20 to 25 mph, with gusts as high as 35 mph.

    Tonight: Showers and thunderstorms before 1am, then showers likely. Low around 43. Breezy, with a south wind 15 to 20 mph becoming north after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 53. Breezy, with a northwest wind around 20 mph, with gusts as high as 30 mph.

    Saturday Night: Areas of frost after 4am. Otherwise, mostly clear, with a low around 34. West wind 5 to 15 mph, with gusts as high as 25 mph.

    Sunday: Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 59.

    Sunday Night: Areas of frost after 5am. Otherwise, mostly clear, with a low around 36.

    Monday: Areas of frost before 8am. Otherwise, sunny, with a high near 65.

    Monday Night: Mostly clear, with a low around 50.

    Tuesday: Mostly sunny, with a high near 76.

    Tuesday Night: Mostly clear, with a low around 55.

    Wednesday: Sunny, with a high near 80.

    Wednesday Night: Partly cloudy, with a low around 57.

    Thursday: A 30 percent chance of showers. Mostly sunny, with a high near 81.



    Adair IL
     40.42°N 90.5°W (Elev. 650 ft)

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