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

88°F

31°C

Humidity 61%
Wind Speed S 5 mph
Barometer 29.96 in (1013.6 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 1 Sep 11:53 am CDT
Extended Forecast for

3 Miles ESE Marshalltown IA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 92. South southwest wind 6 to 8 mph.

    High: 92 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 73. Light and variable wind becoming south 5 to 7 mph in the evening.

    Low: 73 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 92. Southwest wind 6 to 10 mph.

    High: 92 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 10 percent chance of showers and thunderstorms after 5am. Mostly clear, with a low around 72. South southwest wind around 6 mph.

    Low: 72 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 92. Light south wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 20%.

    High: 92 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 92.

    High: 92 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 95.

    High: 95 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 92. South southwest wind 6 to 8 mph.
Tonight
Increasing clouds, with a low around 73. Light and variable wind becoming south 5 to 7 mph in the evening.
Wednesday
Sunny, with a high near 92. Southwest wind 6 to 10 mph.
Wednesday Night
A 10 percent chance of showers and thunderstorms after 5am. Mostly clear, with a low around 72. South southwest wind around 6 mph.
Thursday
A slight chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 92. Light south wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 74.
Friday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 92.
Friday Night
Mostly clear, with a low around 72.
Saturday
Mostly sunny, with a high near 95.
Saturday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70.
Sunday
A 30 percent chance of showers. Mostly sunny, with a high near 91.
Sunday Night
Partly cloudy, with a low around 66.
Labor Day
Mostly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Marshalltown IA
 42.01°N 92.86°W
Last Update:
12:11 pm CDT Sep 1, 2026
Forecast Valid:
12pm CDT Sep 1, 2026-6pm CDT Sep 7, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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