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

-4°F

-20°C

Humidity 83%
Wind Speed N 6 mph
Barometer 30.40 in (1031.9 mb)
Dewpoint -8°F (-22°C)
Visibility 10.00 mi
Wind Chill-17°F (-27°C)
Last update 30 Jan 4:53 am CST
Extended Forecast for

Grundy Center IA

  • Overnight

    Overnight: A chance of flurries. Partly cloudy, with a low around -3. Wind chill values as low as -15. North northwest wind around 7 mph.

    Low: -3 °F

    Chance
    Flurries

  • Friday

    Friday: A chance of flurries before 7am. Partly sunny, with a high near 11. Wind chill values as low as -15. Blustery, with a north wind 8 to 17 mph, with gusts as high as 24 mph.

    High: 11 °F

    Mostly Sunny
    then Partly
    Sunny and
    Blustery

  • Friday Night

    Friday Night: Mostly clear, with a low around -2. Wind chill values as low as -15. North northwest wind 8 to 14 mph, with gusts as high as 18 mph.

    Low: -2 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 17. Wind chill values as low as -15. North northwest wind 5 to 8 mph becoming light and variable in the afternoon.

    High: 17 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 8. Light south southwest wind becoming south 8 to 13 mph in the evening.

    Low: 8 °F

    Partly Cloudy

  • Sunday

    Sunday: Snow likely, mainly before noon. Mostly cloudy, with a high near 26. Chance of precipitation is 60%.

    High: 26 °F

    Snow Likely

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 13.

    Low: 13 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 24.

    High: 24 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A chance of flurries. Partly cloudy, with a low around -3. Wind chill values as low as -15. North northwest wind around 7 mph.
Friday
A chance of flurries before 7am. Partly sunny, with a high near 11. Wind chill values as low as -15. Blustery, with a north wind 8 to 17 mph, with gusts as high as 24 mph.
Friday Night
Mostly clear, with a low around -2. Wind chill values as low as -15. North northwest wind 8 to 14 mph, with gusts as high as 18 mph.
Saturday
Sunny, with a high near 17. Wind chill values as low as -15. North northwest wind 5 to 8 mph becoming light and variable in the afternoon.
Saturday Night
Partly cloudy, with a low around 8. Light south southwest wind becoming south 8 to 13 mph in the evening.
Sunday
Snow likely, mainly before noon. Mostly cloudy, with a high near 26. Chance of precipitation is 60%.
Sunday Night
Mostly cloudy, with a low around 13.
Monday
Mostly sunny, with a high near 24.
Monday Night
Mostly cloudy, with a low around 17.
Tuesday
Mostly cloudy, with a high near 28.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 17.
Wednesday
Mostly cloudy, with a high near 26.
Wednesday Night
Mostly cloudy, with a low around 14.
Thursday
Partly sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grundy Center IA
 42.36°N 92.76°W
Last Update:
3:17 am CST Jan 30, 2026
Forecast Valid:
5am CST Jan 30, 2026-6pm CST Feb 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