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

72°F

22°C

Humidity 24%
Wind Speed NW 15 mph
Barometer 29.72 in (1006.2 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 3 May 5:53 pm CDT
Extended Forecast for

State Center IASimilar City Names

  • Tonight

    Tonight: Clear, with a low around 46. West northwest wind 5 to 10 mph becoming light and variable.

    Low: 46 °F

    Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 78. South southwest wind 8 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 24 mph.

    High: 78 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 45. North wind 8 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 10 percent chance of showers before 7am. Mostly cloudy, with a high near 57. North northeast wind 8 to 11 mph, with gusts as high as 18 mph.

    High: 57 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37. North wind 5 to 9 mph.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 46. West northwest wind 5 to 10 mph becoming light and variable.
Monday
A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 78. South southwest wind 8 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 24 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 45. North wind 8 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 10 percent chance of showers before 7am. Mostly cloudy, with a high near 57. North northeast wind 8 to 11 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 37. North wind 5 to 9 mph.
Wednesday
Partly sunny, with a high near 57.
Wednesday Night
Mostly cloudy, with a low around 39.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 41.
Friday
Mostly sunny, with a high near 66.
Friday Night
Mostly clear, with a low around 43.
Saturday
Sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
State Center IASimilar City Names
 42.02°N 93.15°W
Last Update:
5:51 pm CDT May 3, 2026
Forecast Valid:
6pm CDT May 3, 2026-6pm CDT May 10, 2026
 
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Additional Resources

Radar & Satellite Image

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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