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.

Overcast

10°F

-12°C

Humidity 67%
Wind Speed NW 9 mph
Barometer 30.27 in (1027.4 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill-3°F (-19°C)
Last update 28 Jan 8:53 am CST
Extended Forecast for

Grundy Center IA

  • Today

    Today: Mostly sunny, with a high near 16. Wind chill values as low as zero. Light north wind becoming northwest 8 to 13 mph in the morning. Winds could gust as high as 18 mph.

    High: 16 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around -1. Wind chill values as low as -10. North wind 3 to 7 mph.

    Low: -1 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny, with a high near 13. Wind chill values as low as -10. North wind 3 to 6 mph.

    High: 13 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around -4. Wind chill values as low as -15. North wind around 7 mph.

    Low: -4 °F

    Mostly Clear

  • Friday

    Friday: Sunny and cold, with a high near 10. North wind 8 to 14 mph, with gusts as high as 18 mph.

    High: 10 °F

    Cold

  • Friday Night

    Friday Night: Mostly clear, with a low around -3.

    Low: -3 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 17.

    High: 17 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of snow after midnight. Partly cloudy, with a low around 5.

    Low: 5 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: A 40 percent chance of snow. Partly sunny, with a high near 26.

    High: 26 °F

    Chance Snow

Detailed Forecast

Today
Mostly sunny, with a high near 16. Wind chill values as low as zero. Light north wind becoming northwest 8 to 13 mph in the morning. Winds could gust as high as 18 mph.
Tonight
Increasing clouds, with a low around -1. Wind chill values as low as -10. North wind 3 to 7 mph.
Thursday
Partly sunny, with a high near 13. Wind chill values as low as -10. North wind 3 to 6 mph.
Thursday Night
Mostly clear, with a low around -4. Wind chill values as low as -15. North wind around 7 mph.
Friday
Sunny and cold, with a high near 10. North wind 8 to 14 mph, with gusts as high as 18 mph.
Friday Night
Mostly clear, with a low around -3.
Saturday
Sunny, with a high near 17.
Saturday Night
A 20 percent chance of snow after midnight. Partly cloudy, with a low around 5.
Sunday
A 40 percent chance of snow. Partly sunny, with a high near 26.
Sunday Night
Mostly cloudy, with a low around 16.
Monday
Partly sunny, with a high near 28.
Monday Night
Mostly cloudy, with a low around 13.
Tuesday
Mostly cloudy, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grundy Center IA
 42.36°N 92.76°W
Last Update:
9:10 am CST Jan 28, 2026
Forecast Valid:
9am CST Jan 28, 2026-6pm CST Feb 3, 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