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

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Fair

66°F

19°C

Humidity 90%
Wind Speed N 6 mph
Barometer 29.95 in (1013.6 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 2 Aug 7:53 am CDT
Extended Forecast for

4 Miles E Marshalltown Municipal Airport IA

  • Today

    Today: Mostly sunny, with a high near 81. North northeast wind around 7 mph.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 60. East northeast wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 82. Light southeast wind becoming south southeast 5 to 9 mph in the morning.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. Southeast wind 6 to 8 mph.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 82. South wind around 6 mph becoming west northwest in the afternoon.

    High: 82 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 61. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 61 °F

    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 76. Chance of precipitation is 70%.

    High: 76 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 57.

    Low: 57 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 81. North northeast wind around 7 mph.
Tonight
Partly cloudy, with a low around 60. East northeast wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 82. Light southeast wind becoming south southeast 5 to 9 mph in the morning.
Monday Night
Mostly clear, with a low around 63. Southeast wind 6 to 8 mph.
Tuesday
Partly sunny, with a high near 82. South wind around 6 mph becoming west northwest in the afternoon.
Tuesday Night
Showers and possibly a thunderstorm. Low around 61. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Wednesday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 76. Chance of precipitation is 70%.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 57.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 60.
Friday
Mostly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 64.
Saturday
Mostly sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Marshalltown Municipal Airport IA
 42.1°N 92.83°W
Last Update:
5:52 am CDT Aug 2, 2026
Forecast Valid:
8am CDT Aug 2, 2026-6pm CDT Aug 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