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

33°F

1°C

Humidity 82%
Wind Speed SW 7 mph
Barometer 29.86 in (1012.2 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 26 Feb 8:53 pm CST
Extended Forecast for

Grundy Center IA

  • Tonight

    Tonight: Mostly clear, with a low around 28. Southwest wind 7 to 10 mph.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 50. Southwest wind 10 to 15 mph, with gusts as high as 22 mph.

    High: 50 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 22. West northwest wind 9 to 11 mph becoming north northeast after midnight.

    Low: 22 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 30 percent chance of snow, mainly before noon. Partly sunny, with a high near 27. North northeast wind 9 to 14 mph, with gusts as high as 18 mph. Little or no snow accumulation expected.

    High: 27 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 11. North wind 8 to 10 mph.

    Low: 11 °F

    Mostly Clear

  • Sunday

    Sunday: A 40 percent chance of snow after noon. Mostly cloudy, with a high near 27.

    High: 27 °F

    Partly Sunny
    then Chance
    Snow

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 16.

    Low: 16 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 28. Southwest wind 7 to 10 mph.
Friday
Sunny, with a high near 50. Southwest wind 10 to 15 mph, with gusts as high as 22 mph.
Friday Night
Increasing clouds, with a low around 22. West northwest wind 9 to 11 mph becoming north northeast after midnight.
Saturday
A 30 percent chance of snow, mainly before noon. Partly sunny, with a high near 27. North northeast wind 9 to 14 mph, with gusts as high as 18 mph. Little or no snow accumulation expected.
Saturday Night
Mostly clear, with a low around 11. North wind 8 to 10 mph.
Sunday
A 40 percent chance of snow after noon. Mostly cloudy, with a high near 27.
Sunday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 16.
Monday
Partly sunny, with a high near 36.
Monday Night
Mostly cloudy, with a low around 23.
Tuesday
A chance of snow before noon, then a chance of rain and snow. Mostly cloudy, with a high near 37. Chance of precipitation is 40%.
Tuesday Night
Mostly cloudy, with a low around 25.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 41.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 32.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grundy Center IA
 42.36°N 92.76°W
Last Update:
4:52 pm CST Feb 26, 2026
Forecast Valid:
8pm CST Feb 26, 2026-6pm CST Mar 5, 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