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.

Overcast

34°F

1°C

Humidity 70%
Wind Speed N 13 mph
Barometer 30.31 in (1027.1 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 23 Mar 12:53 am CDT
Extended Forecast for

Grundy Center IA

  • Overnight

    Overnight: Mostly clear, with a low around 27. North wind 7 to 9 mph.

    Low: 27 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 51. North northwest wind around 6 mph becoming calm.

    High: 51 °F

    Sunny

  • Monday Night

    Monday Night: A chance of sprinkles between 9pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 36. South wind 7 to 10 mph.

    Low: 36 °F

    Chance
    Sprinkles

  • Tuesday

    Tuesday: Increasing clouds, with a high near 58. South wind 9 to 13 mph, with gusts as high as 18 mph.

    High: 58 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 41. South southeast wind around 8 mph.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 67.

    High: 67 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain before 1pm. Partly sunny, with a high near 67. Breezy.

    High: 67 °F

    Slight Chance
    Rain and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 29. Blustery.

    Low: 29 °F

    Partly Cloudy
    and Blustery

Detailed Forecast

Overnight
Mostly clear, with a low around 27. North wind 7 to 9 mph.
Monday
Sunny, with a high near 51. North northwest wind around 6 mph becoming calm.
Monday Night
A chance of sprinkles between 9pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 36. South wind 7 to 10 mph.
Tuesday
Increasing clouds, with a high near 58. South wind 9 to 13 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 41. South southeast wind around 8 mph.
Wednesday
Mostly cloudy, with a high near 67.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
A 20 percent chance of rain before 1pm. Partly sunny, with a high near 67. Breezy.
Thursday Night
Partly cloudy, with a low around 29. Blustery.
Friday
Sunny, with a high near 45.
Friday Night
Mostly clear, with a low around 26.
Saturday
Mostly sunny, with a high near 54.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grundy Center IA
 42.36°N 92.76°W
Last Update:
10:36 pm CDT Mar 22, 2026
Forecast Valid:
1am CDT Mar 23, 2026-6pm CDT Mar 29, 2026
 
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