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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 42.04°N 91.6°W (Text-Only)
NWS Forecast for: Marion IA
Issued by: National Weather Service Quad Cities, IA/IL
Last Update: 7:56 pm CDT Jun 29, 2026		Print

  • Tonight

    Tonight: Partly cloudy, with a low around 77. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Partly Cloudy



  • Tuesday

    Tuesday: Sunny and hot, with a high near 95. Heat index values as high as 106. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 95 °F

    Hot



  • Tuesday
    Night

    Tuesday Night: A slight chance of showers between 2am and 3am. Partly cloudy, with a low around 75. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 75 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Sunny and hot, with a high near 95. Heat index values as high as 101. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 95 °F

    Hot



  • Wednesday
    Night

    Wednesday Night: A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 76. Chance of precipitation is 30%.

    Low: 76 °F

    Mostly Clear
    then Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm. Mostly sunny, with a high near 93. Chance of precipitation is 30%.

    High: 93 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday
    Night

    Thursday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy
    then Chance
    T-storms

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 91. Chance of precipitation is 40%.

    High: 91 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday
    Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    T-storms




    • Tonight: Partly cloudy, with a low around 77. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Tuesday: Sunny and hot, with a high near 95. Heat index values as high as 106. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Tuesday Night: A slight chance of showers between 2am and 3am. Partly cloudy, with a low around 75. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Wednesday: Sunny and hot, with a high near 95. Heat index values as high as 101. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Wednesday Night: A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 76. Chance of precipitation is 30%.

    Thursday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm. Mostly sunny, with a high near 93. Chance of precipitation is 30%.

    Thursday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73.

    Friday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 91. Chance of precipitation is 40%.

    Friday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71.

    Independence Day: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.

    Saturday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.

    Sunday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.

    Sunday Night: Partly cloudy, with a low around 67.

    Monday: Mostly sunny, with a high near 85.


    Marion IA
     42.04°N 91.6°W (Elev. 804 ft)

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