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.

Overcast

45°F

7°C

Humidity 44%
Wind Speed Calm
Barometer 30.02 in (1017.4 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 16 Nov 6:53 pm CST
Extended Forecast for

4 Miles WSW Grundy Center IA

  • Tonight

    Tonight: Mostly cloudy, with a low around 33. Calm wind becoming east southeast around 6 mph after midnight.

    Low: 33 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of rain after 5pm. Mostly cloudy, with a high near 47. East southeast wind 6 to 15 mph, with gusts as high as 24 mph.

    High: 47 °F

    Partly Sunny
    then Chance
    Rain

  • Monday Night

    Monday Night: Rain likely and possibly a thunderstorm. Cloudy, with a low around 35. Breezy, with an east southeast wind 13 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 35 °F

    Rain Likely
    and Breezy

  • Tuesday

    Tuesday: A 40 percent chance of rain before noon. Mostly cloudy, with a high near 44. East northeast wind 9 to 13 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 44 °F

    Chance Rain
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: Cloudy, with a low around 36. East northeast wind 5 to 8 mph.

    Low: 36 °F

    Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 50.

    High: 50 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: A 40 percent chance of rain. Partly sunny, with a high near 54.

    High: 54 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 33. Calm wind becoming east southeast around 6 mph after midnight.
Monday
A 30 percent chance of rain after 5pm. Mostly cloudy, with a high near 47. East southeast wind 6 to 15 mph, with gusts as high as 24 mph.
Monday Night
Rain likely and possibly a thunderstorm. Cloudy, with a low around 35. Breezy, with an east southeast wind 13 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 40 percent chance of rain before noon. Mostly cloudy, with a high near 44. East northeast wind 9 to 13 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Cloudy, with a low around 36. East northeast wind 5 to 8 mph.
Wednesday
Mostly cloudy, with a high near 50.
Wednesday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 38.
Thursday
A 40 percent chance of rain. Partly sunny, with a high near 54.
Thursday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 40.
Friday
A 30 percent chance of rain. Mostly cloudy, with a high near 50.
Friday Night
Mostly cloudy, with a low around 33.
Saturday
Mostly sunny, with a high near 47.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Sunny, with a high near 52.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Grundy Center IA
 42.34°N 92.85°W
Last Update:
5:46 pm CST Nov 16, 2025
Forecast Valid:
7pm CST Nov 16, 2025-6pm CST Nov 23, 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