National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Fair

79°F

26°C

Humidity 85%
Wind Speed SE 6 mph
Barometer 29.86 in (1010.4 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 2 Sep 8:53 pm CDT
Extended Forecast for

Marshalltown Municipal Airport IA

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 73. South wind 7 to 10 mph.

    Low: 73 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 93. South wind 8 to 11 mph.

    High: 93 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 74. South wind around 10 mph.

    Low: 74 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 93. South southwest wind 7 to 9 mph.

    High: 93 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 72. South southeast wind 6 to 8 mph.

    Low: 72 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 89.

    High: 89 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 1am. Partly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    Showers

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 73. South wind 7 to 10 mph.
Thursday
Mostly sunny, with a high near 93. South wind 8 to 11 mph.
Thursday Night
Mostly clear, with a low around 74. South wind around 10 mph.
Friday
Sunny, with a high near 93. South southwest wind 7 to 9 mph.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 72. South southeast wind 6 to 8 mph.
Saturday
Mostly sunny, with a high near 91.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 70.
Sunday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 89.
Sunday Night
A 30 percent chance of showers before 1am. Partly cloudy, with a low around 68.
Labor Day
A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 69.
Tuesday
A 30 percent chance of showers. Mostly sunny, with a high near 88.
Tuesday Night
A 40 percent chance of showers. Partly cloudy, with a low around 69.
Wednesday
A 30 percent chance of showers. Mostly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marshalltown Municipal Airport IA
 42.1°N 92.92°W
Last Update:
7:02 pm CDT Sep 2, 2026
Forecast Valid:
9pm CDT Sep 2, 2026-6pm CDT Sep 9, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation