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

14°F

-10°C

Humidity 88%
Wind Speed NW 5 mph
Barometer 30.48 in (1034.1 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill6°F (-14°C)
Last update 30 Nov 8:53 pm CST
Extended Forecast for

Grundy Center IA

  • Tonight

    Tonight: Mostly cloudy, with a steady temperature around 8. Wind chill values as low as zero. North northwest wind around 5 mph becoming calm after midnight.

    Low: 8 °F

    Mostly Cloudy

  • Monday

    Monday: Snow likely, mainly between 9am and 1pm. Cloudy, with a high near 20. Wind chill values as low as 5. Calm wind becoming south around 6 mph in the morning. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 20 °F

    Snow Likely

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 9. Wind chill values as low as zero. West southwest wind around 6 mph.

    Low: 9 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 26. Wind chill values as low as zero. South southwest wind 5 to 10 mph.

    High: 26 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 16. South wind 9 to 11 mph becoming west southwest after midnight.

    Low: 16 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 30. Blustery.

    High: 30 °F

    Slight Chance
    Snow then
    Mostly Cloudy
    and Blustery

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around -10.

    Low: -10 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny and cold, with a high near 7.

    High: 7 °F

    Cold

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -3.

    Low: -3 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a steady temperature around 8. Wind chill values as low as zero. North northwest wind around 5 mph becoming calm after midnight.
Monday
Snow likely, mainly between 9am and 1pm. Cloudy, with a high near 20. Wind chill values as low as 5. Calm wind becoming south around 6 mph in the morning. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Monday Night
Mostly cloudy, with a low around 9. Wind chill values as low as zero. West southwest wind around 6 mph.
Tuesday
Partly sunny, with a high near 26. Wind chill values as low as zero. South southwest wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 16. South wind 9 to 11 mph becoming west southwest after midnight.
Wednesday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 30. Blustery.
Wednesday Night
Partly cloudy, with a low around -10.
Thursday
Sunny and cold, with a high near 7.
Thursday Night
Partly cloudy, with a low around -3.
Friday
Partly sunny, with a high near 25.
Friday Night
Mostly cloudy, with a low around 15.
Saturday
Mostly cloudy, with a high near 28.
Saturday Night
Mostly cloudy, with a low around 11.
Sunday
Partly sunny, with a high near 19.
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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:
8:47 pm CST Nov 30, 2025
Forecast Valid:
9pm CST Nov 30, 2025-6pm CST Dec 7, 2025
 
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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