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

68°F

20°C

Humidity 93%
Wind Speed E 5 mph
Barometer 30.06 in (1017.3 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 6 Jul 3:53 am CDT
Extended Forecast for

Marshalltown IA

  • Today

    Today: Patchy fog between 7am and 8am. Otherwise, sunny, with a high near 86. Light east wind.

    High: 86 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 63. Light and variable wind.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. Calm wind.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65. Light south southeast wind.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89. South southwest wind 5 to 8 mph.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.

    High: 86 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.

    Low: 66 °F

    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84.

    High: 84 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Patchy fog between 7am and 8am. Otherwise, sunny, with a high near 86. Light east wind.
Tonight
Mostly clear, with a low around 63. Light and variable wind.
Tuesday
Sunny, with a high near 87. Calm wind.
Tuesday Night
Mostly clear, with a low around 65. Light south southeast wind.
Wednesday
Sunny, with a high near 89. South southwest wind 5 to 8 mph.
Wednesday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84.
Friday Night
Mostly cloudy, with a low around 64.
Saturday
Partly sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 66.
Sunday
Sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marshalltown IA
 42.04°N 92.92°W
Last Update:
1:27 am CDT Jul 6, 2026
Forecast Valid:
4am CDT Jul 6, 2026-6pm CDT Jul 12, 2026
 
Forecast Discussion
 
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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