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.

Light Rain

58°F

14°C

Humidity 65%
Wind Speed W 6 mph
Barometer 30.10 in (1019.3 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 23 May 9:53 pm CDT
Extended Forecast for

Marshalltown IA

  • Tonight

    Tonight: Showers likely, mainly before 1am. Mostly cloudy, with a low around 48. Light and variable wind becoming northeast around 6 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Showers
    Likely

  • Saturday

    Saturday: A 10 percent chance of showers before 7am. Partly sunny, with a high near 67. East wind 5 to 7 mph.

    High: 67 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 49. East northeast wind around 6 mph.

    Low: 49 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 69. East wind 6 to 8 mph.

    High: 69 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 48. East wind 5 to 7 mph.

    Low: 48 °F

    Mostly Cloudy

  • Memorial Day

    Memorial Day: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 50. Chance of precipitation is 50%.

    Low: 50 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 65. Chance of precipitation is 40%.

    High: 65 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Showers likely, mainly before 1am. Mostly cloudy, with a low around 48. Light and variable wind becoming northeast around 6 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 10 percent chance of showers before 7am. Partly sunny, with a high near 67. East wind 5 to 7 mph.
Saturday Night
Mostly cloudy, with a low around 49. East northeast wind around 6 mph.
Sunday
Partly sunny, with a high near 69. East wind 6 to 8 mph.
Sunday Night
Mostly cloudy, with a low around 48. East wind 5 to 7 mph.
Memorial Day
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 68.
Monday Night
A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 50. Chance of precipitation is 50%.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 65. Chance of precipitation is 40%.
Tuesday Night
Mostly cloudy, with a low around 49.
Wednesday
Mostly sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 53.
Friday
Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marshalltown IA
 42.06°N 92.92°W
Last Update:
10:17 pm CDT May 23, 2025
Forecast Valid:
10pm CDT May 23, 2025-6pm CDT May 30, 2025
 
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