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.

Fog/Mist

43°F

6°C

Humidity 97%
Wind Speed NW 6 mph
Barometer 30.07 in (1018.7 mb)
Dewpoint 42°F (6°C)
Visibility 4.00 mi
Wind Chill39°F (4°C)
Last update 20 Nov 5:53 pm CST
Extended Forecast for

Grundy Center IA

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. Northwest wind around 6 mph becoming north northeast after midnight.

    Low: 34 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 46. Northeast wind 6 to 8 mph.

    High: 46 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 30. North wind around 5 mph becoming calm in the evening.

    Low: 30 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 54. Southwest wind 5 to 11 mph, with gusts as high as 18 mph.

    High: 54 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 35. West southwest wind 5 to 9 mph.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Monday

    Monday: A 50 percent chance of rain. Mostly cloudy, with a high near 52.

    High: 52 °F

    Chance Rain

  • Monday Night

    Monday Night: Rain likely, mainly before midnight. Cloudy, with a low around 42. Chance of precipitation is 60%.

    Low: 42 °F

    Rain Likely
    then Chance
    Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 34. Northwest wind around 6 mph becoming north northeast after midnight.
Friday
Mostly cloudy, with a high near 46. Northeast wind 6 to 8 mph.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 30. North wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 54. Southwest wind 5 to 11 mph, with gusts as high as 18 mph.
Saturday Night
Mostly clear, with a low around 35. West southwest wind 5 to 9 mph.
Sunday
Sunny, with a high near 57.
Sunday Night
Partly cloudy, with a low around 37.
Monday
A 50 percent chance of rain. Mostly cloudy, with a high near 52.
Monday Night
Rain likely, mainly before midnight. Cloudy, with a low around 42. Chance of precipitation is 60%.
Tuesday
Partly sunny, with a high near 50.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
Partly sunny, with a high near 37. Breezy.
Wednesday Night
Partly cloudy, with a low around 22.
Thanksgiving Day
Mostly sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grundy Center IA
 42.36°N 92.76°W
Last Update:
5:17 pm CST Nov 20, 2025
Forecast Valid:
6pm CST Nov 20, 2025-6pm CST Nov 27, 2025
 
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