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.

Partly Cloudy

41°F

5°C

Humidity 47%
Wind Speed S 6 mph
Barometer 30.31 in (1027.0 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 24 Mar 12:53 am CDT
Extended Forecast for

Marshalltown IA

  • Overnight

    Overnight: Mostly cloudy early, then becoming mostly clear, with a low around 33. South southeast wind around 8 mph.

    Low: 33 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 57. South wind 7 to 11 mph, with gusts as high as 18 mph.

    High: 57 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 40. Southeast wind around 8 mph.

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 73. South southwest wind 7 to 9 mph.

    High: 73 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52. South wind around 6 mph.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 72. Breezy.

    High: 72 °F

    Partly Sunny
    then Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 1am. Mostly cloudy, with a low around 30. Windy.

    Low: 30 °F

    Slight Chance
    Rain and
    Windy

  • Friday

    Friday: Mostly sunny, with a high near 47. Breezy.

    High: 47 °F

    Mostly Sunny
    and Breezy

  • Friday Night

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

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy early, then becoming mostly clear, with a low around 33. South southeast wind around 8 mph.
Tuesday
Partly sunny, with a high near 57. South wind 7 to 11 mph, with gusts as high as 18 mph.
Tuesday Night
Partly cloudy, with a low around 40. Southeast wind around 8 mph.
Wednesday
Partly sunny, with a high near 73. South southwest wind 7 to 9 mph.
Wednesday Night
Mostly clear, with a low around 52. South wind around 6 mph.
Thursday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 72. Breezy.
Thursday Night
A 20 percent chance of rain before 1am. Mostly cloudy, with a low around 30. Windy.
Friday
Mostly sunny, with a high near 47. Breezy.
Friday Night
Mostly clear, with a low around 26.
Saturday
Sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Mostly sunny, with a high near 62.
Sunday Night
Mostly cloudy, with a low around 41.
Monday
Partly sunny, with a high near 65.
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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:
10:16 pm CDT Mar 23, 2026
Forecast Valid:
1am CDT Mar 24, 2026-6pm CDT Mar 30, 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