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

90°F

32°C

Humidity 56%
Wind Speed S 7 mph
Barometer 29.89 in (1011.3 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 1 Sep 5:53 pm CDT
Extended Forecast for

2 Miles N Marshalltown IA

  • Tonight

    Tonight: Increasing clouds, with a low around 73. South wind around 7 mph.

    Low: 73 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 93. Heat index values as high as 100. Southwest wind 5 to 9 mph.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms after 4am. Mostly clear, with a low around 73. South southwest wind 3 to 6 mph.

    Low: 73 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 92. Heat index values as high as 100. South wind 3 to 8 mph.

    High: 92 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 72. South wind 5 to 7 mph.

    Low: 72 °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 71.

    Low: 71 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 73. South wind around 7 mph.
Wednesday
Sunny, with a high near 93. Heat index values as high as 100. Southwest wind 5 to 9 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 4am. Mostly clear, with a low around 73. South southwest wind 3 to 6 mph.
Thursday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 92. Heat index values as high as 100. South wind 3 to 8 mph.
Thursday Night
Mostly clear, with a low around 72. South wind 5 to 7 mph.
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 71.
Saturday
Mostly sunny, with a high near 93.
Saturday Night
Partly cloudy, with a low around 69.
Sunday
A 40 percent chance of showers before 1pm. Mostly sunny, with a high near 89.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 66.
Labor Day
Partly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Partly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Marshalltown IA
 42.06°N 92.92°W
Last Update:
5:32 pm CDT Sep 1, 2026
Forecast Valid:
6pm CDT Sep 1, 2026-6pm CDT Sep 8, 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