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

43°F

6°C

Humidity 89%
Wind Speed NW 7 mph
Barometer 29.72 in (1006.4 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 9 Mar 11:53 pm CDT
Extended Forecast for

Marshalltown IA

  • Overnight

    Overnight: Mostly clear, with a low around 40. Light north northeast wind.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 63. East northeast wind 6 to 10 mph.

    High: 63 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 34. North northeast wind 10 to 14 mph, with gusts as high as 21 mph.

    Low: 34 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of rain before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 45. Breezy, with a north northwest wind 15 to 18 mph, with gusts as high as 28 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Chance Rain
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 26. Northwest wind 5 to 9 mph.

    Low: 26 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 55. Breezy.

    High: 55 °F

    Mostly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Thursday Night

    Thursday Night: A 40 percent chance of rain, mainly before 1am. Mostly cloudy, with a low around 34. Breezy.

    Low: 34 °F

    Chance Rain
    and Breezy

  • Friday

    Friday: Mostly cloudy, with a high near 48.

    High: 48 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 40. Light north northeast wind.
Tuesday
Mostly sunny, with a high near 63. East northeast wind 6 to 10 mph.
Tuesday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 34. North northeast wind 10 to 14 mph, with gusts as high as 21 mph.
Wednesday
A 30 percent chance of rain before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 45. Breezy, with a north northwest wind 15 to 18 mph, with gusts as high as 28 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly clear, with a low around 26. Northwest wind 5 to 9 mph.
Thursday
Partly sunny, with a high near 55. Breezy.
Thursday Night
A 40 percent chance of rain, mainly before 1am. Mostly cloudy, with a low around 34. Breezy.
Friday
Mostly cloudy, with a high near 48.
Friday Night
Mostly cloudy, with a low around 31.
Saturday
Mostly cloudy, with a high near 53.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 32.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 40. Windy. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 15. Blustery.
Monday
Mostly sunny, with a high near 30.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marshalltown IA
 42.06°N 92.92°W
Last Update:
10:26 pm CDT Mar 9, 2026
Forecast Valid:
12am CDT Mar 10, 2026-6pm CDT Mar 16, 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