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

32°F

0°C

Humidity 85%
Wind Speed Calm
Barometer 30.15 in (1022.1 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 9 Jan 6:53 pm CST
Extended Forecast for

Grundy Center IA

  • Tonight

    Tonight: A chance of snow or flurries before 4am, then a slight chance of snow between 4am and 5am, then a chance of flurries after 5am. Mostly cloudy, with a low around 27. Calm wind becoming northwest 5 to 9 mph after midnight. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 27 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: A chance of flurries with a slight chance of snow before noon, then a chance of flurries after 5pm. Partly sunny, with a high near 32. Breezy, with a northwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 20%.

    High: 32 °F

    Breezy.
    Slight Chance
    Snow then
    Chance
    Flurries

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 17. Wind chill values as low as zero. Windy, with a northwest wind 15 to 22 mph, with gusts as high as 28 mph.

    Low: 17 °F

    Mostly Cloudy
    and Windy

  • Sunday

    Sunday: Sunny, with a high near 30. Wind chill values as low as 5. Northwest wind 9 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 30 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 25. Southwest wind 10 to 14 mph, with gusts as high as 20 mph.

    Low: 25 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 48. Breezy.

    High: 48 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 28. Blustery.

    Low: 28 °F

    Mostly Cloudy
    and Blustery

Detailed Forecast

Tonight
A chance of snow or flurries before 4am, then a slight chance of snow between 4am and 5am, then a chance of flurries after 5am. Mostly cloudy, with a low around 27. Calm wind becoming northwest 5 to 9 mph after midnight. Chance of precipitation is 30%. Little or no snow accumulation expected.
Saturday
A chance of flurries with a slight chance of snow before noon, then a chance of flurries after 5pm. Partly sunny, with a high near 32. Breezy, with a northwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, with a low around 17. Wind chill values as low as zero. Windy, with a northwest wind 15 to 22 mph, with gusts as high as 28 mph.
Sunday
Sunny, with a high near 30. Wind chill values as low as 5. Northwest wind 9 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 25. Southwest wind 10 to 14 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 44.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
Partly sunny, with a high near 48. Breezy.
Tuesday Night
Mostly cloudy, with a low around 28. Blustery.
Wednesday
Partly sunny, with a high near 31. Blustery.
Wednesday Night
Partly cloudy, with a low around 18.
Thursday
Partly sunny, with a high near 31.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 24.
Friday
A 30 percent chance of snow. Mostly cloudy, with a high near 32.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grundy Center IA
 42.36°N 92.76°W
Last Update:
5:11 pm CST Jan 9, 2026
Forecast Valid:
7pm CST Jan 9, 2026-6pm CST Jan 16, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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