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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 41.02°N 92.42°W (Text-Only)
NWS Forecast for: Ottumwa IA
Issued by: National Weather Service Des Moines, IA
Last Update: 10:43 pm CDT Jun 29, 2026		Print

  • Tonight

    Tonight: Partly cloudy, with a low around 77. South wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Partly Cloudy



  • Tuesday

    Tuesday: Sunny, with a high near 94. Heat index values as high as 106. South southwest wind 9 to 15 mph, with gusts as high as 26 mph.

    High: 94 °F

    Sunny



  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 75. South southwest wind 9 to 13 mph, with gusts as high as 24 mph.

    Low: 75 °F

    Mostly Clear



  • Wednesday

    Wednesday: Sunny, with a high near 94. Heat index values as high as 101. South southwest wind 9 to 15 mph, with gusts as high as 26 mph.

    High: 94 °F

    Sunny



  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 76. South southwest wind 9 to 14 mph, with gusts as high as 24 mph.

    Low: 76 °F

    Partly Cloudy



  • Thursday

    Thursday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny



  • Thursday
    Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.

    High: 93 °F

    Slight Chance
    T-storms


  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy





    • Tonight: Partly cloudy, with a low around 77. South wind 9 to 11 mph, with gusts as high as 20 mph.

    Tuesday: Sunny, with a high near 94. Heat index values as high as 106. South southwest wind 9 to 15 mph, with gusts as high as 26 mph.

    Tuesday Night: Mostly clear, with a low around 75. South southwest wind 9 to 13 mph, with gusts as high as 24 mph.

    Wednesday: Sunny, with a high near 94. Heat index values as high as 101. South southwest wind 9 to 15 mph, with gusts as high as 26 mph.

    Wednesday Night: Partly cloudy, with a low around 76. South southwest wind 9 to 14 mph, with gusts as high as 24 mph.

    Thursday: Mostly sunny, with a high near 94.

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74.

    Friday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.

    Friday Night: Partly cloudy, with a low around 73.

    Independence Day: Mostly sunny, with a high near 93.

    Saturday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.

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

    Sunday Night: A 30 percent chance of showers. Partly cloudy, with a low around 68.

    Monday: Mostly sunny, with a high near 88.


    Ottumwa IA
     41.02°N 92.42°W

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