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

7°F

-14°C

Humidity 73%
Wind Speed S 9 mph
Barometer 30.19 in (1025.0 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill-6°F (-21°C)
Last update 4 Dec 4:53 pm CST
Extended Forecast for

Grundy Center IA

  • Tonight

    Tonight: Partly cloudy, with a temperature rising to around 14 by 3am. Wind chill values as low as -10. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 5 °F⇑

    Partly Cloudy

  • Friday

    Friday: Increasing clouds, with a high near 32. Wind chill values as low as zero. South southwest wind 9 to 11 mph.

    High: 32 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 15. Northwest wind 5 to 9 mph.

    Low: 15 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow after noon. Partly sunny, with a high near 22. Wind chill values as low as 10. Light and variable wind becoming east 5 to 8 mph in the afternoon. Little or no snow accumulation expected.

    High: 22 °F

    Partly Sunny
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Snow likely, mainly before midnight. Cloudy, with a low around 9. East wind 8 to 10 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

    Low: 9 °F

    Snow Likely

  • Sunday

    Sunday: Partly sunny, with a high near 15.

    High: 15 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around -6.

    Low: -6 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 25.

    High: 25 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a temperature rising to around 14 by 3am. Wind chill values as low as -10. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Increasing clouds, with a high near 32. Wind chill values as low as zero. South southwest wind 9 to 11 mph.
Friday Night
Mostly cloudy, with a low around 15. Northwest wind 5 to 9 mph.
Saturday
A 30 percent chance of snow after noon. Partly sunny, with a high near 22. Wind chill values as low as 10. Light and variable wind becoming east 5 to 8 mph in the afternoon. Little or no snow accumulation expected.
Saturday Night
Snow likely, mainly before midnight. Cloudy, with a low around 9. East wind 8 to 10 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.
Sunday
Partly sunny, with a high near 15.
Sunday Night
Mostly cloudy, with a low around -6.
Monday
Mostly cloudy, with a high near 25.
Monday Night
Mostly cloudy, with a low around 14.
Tuesday
Mostly cloudy, with a high near 32.
Tuesday Night
A 40 percent chance of snow. Cloudy, with a low around 20.
Wednesday
A 30 percent chance of snow. Mostly cloudy, with a high near 31. Blustery.
Wednesday Night
Mostly cloudy, with a low around 6.
Thursday
Mostly cloudy, with a high near 20.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grundy Center IA
 42.36°N 92.76°W
Last Update:
5:01 pm CST Dec 4, 2025
Forecast Valid:
5pm CST Dec 4, 2025-6pm CST Dec 11, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation