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

56°F

13°C

Humidity 37%
Wind Speed S 13 mph
Barometer 30.03 in (1017.2 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 29 Mar 10:53 am CDT
Extended Forecast for

Marshalltown IA

  • Today

    Today: Mostly sunny, with a high near 68. Breezy, with a south wind 14 to 16 mph, with gusts as high as 25 mph.

    High: 68 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 45. South wind 5 to 9 mph becoming light after midnight.

    Low: 45 °F

    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 82. Light south wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 18 mph.

    High: 82 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. South wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 66. Breezy, with a south southwest wind 14 to 18 mph becoming north northwest in the afternoon. Winds could gust as high as 28 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Chance
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 32. Breezy.

    Low: 32 °F

    Slight Chance
    Showers and
    Breezy

  • Wednesday

    Wednesday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of rain showers before 1am, then a chance of rain and snow showers. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.

    Low: 30 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Thursday

    Thursday: A chance of rain and snow showers before 1pm, then rain showers likely. Mostly cloudy, with a high near 42. Chance of precipitation is 60%.

    High: 42 °F

    Rain/Snow
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 68. Breezy, with a south wind 14 to 16 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 45. South wind 5 to 9 mph becoming light after midnight.
Monday
Increasing clouds, with a high near 82. Light south wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 18 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. South wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 40 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 66. Breezy, with a south southwest wind 14 to 18 mph becoming north northwest in the afternoon. Winds could gust as high as 28 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 32. Breezy.
Wednesday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 48.
Wednesday Night
A chance of rain showers before 1am, then a chance of rain and snow showers. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.
Thursday
A chance of rain and snow showers before 1pm, then rain showers likely. Mostly cloudy, with a high near 42. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 32.
Friday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 56.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 39. Chance of precipitation is 70%.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 53. Breezy.
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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:
11:12 am CDT Mar 29, 2026
Forecast Valid:
11am CDT Mar 29, 2026-6pm CDT Apr 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation