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

68°F

20°C

Humidity 38%
Wind Speed Calm
Barometer 29.63 in (1003.3 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 9 Mar 3:53 pm CDT
Extended Forecast for

Grundy Center IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 67. North northeast wind around 6 mph.

    High: 67 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 38. Northeast wind 3 to 6 mph.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 61. East northeast wind 7 to 11 mph.

    High: 61 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 33. Breezy, with a north northeast wind 14 to 16 mph, with gusts as high as 21 mph.

    Low: 33 °F

    Mostly Cloudy
    then Chance
    Showers and
    Breezy

  • Wednesday

    Wednesday: A chance of rain and snow before 10am, then a chance of snow between 10am and 1pm. Partly sunny, with a high near 45. Windy, with a north northwest wind 17 to 21 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 45 °F

    Windy. Chance
    Rain/Snow
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 53. Windy.

    High: 53 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Windy

  • Thursday Night

    Thursday Night: A chance of rain before 1am, then a slight chance of rain and snow. Mostly cloudy, with a low around 34. Breezy. Chance of precipitation is 40%.

    Low: 34 °F

    Breezy.
    Chance Rain
    then Chance
    Rain/Snow

  • Friday

    Friday: Partly sunny, with a high near 46. Breezy.

    High: 46 °F

    Partly Sunny
    and Breezy
    then Mostly
    Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 67. North northeast wind around 6 mph.
Tonight
Mostly clear, with a low around 38. Northeast wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 61. East northeast wind 7 to 11 mph.
Tuesday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 33. Breezy, with a north northeast wind 14 to 16 mph, with gusts as high as 21 mph.
Wednesday
A chance of rain and snow before 10am, then a chance of snow between 10am and 1pm. Partly sunny, with a high near 45. Windy, with a north northwest wind 17 to 21 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday Night
Mostly clear, with a low around 26.
Thursday
Partly sunny, with a high near 53. Windy.
Thursday Night
A chance of rain before 1am, then a slight chance of rain and snow. Mostly cloudy, with a low around 34. Breezy. Chance of precipitation is 40%.
Friday
Partly sunny, with a high near 46. Breezy.
Friday Night
Mostly cloudy, with a low around 31.
Saturday
Mostly cloudy, with a high near 50.
Saturday Night
Rain and snow likely. Mostly cloudy, with a low around 31. Blustery. Chance of precipitation is 60%.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 38. Windy. Chance of precipitation is 50%.
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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:
4:11 pm CDT Mar 9, 2026
Forecast Valid:
4pm CDT Mar 9, 2026-6pm CDT Mar 15, 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