National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

A Few Clouds

65°F

18°C

Humidity 78%
Wind Speed S 16 G 26 mph
Barometer 29.73 in (1006.2 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 23 Apr 8:53 am CDT
Extended Forecast for

Marshalltown Municipal Airport IA

  • Today

    Today: Showers and thunderstorms likely, mainly after 4pm. Mostly cloudy, with a high near 73. Windy, with a south wind 20 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    T-storms
    Likely and
    Windy

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 1am. Low around 46. Breezy, with a south wind 8 to 17 mph becoming north northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 46 °F

    T-storms and
    Breezy then
    Showers
    Likely

  • Friday

    Friday: Sunny, with a high near 63. North northwest wind 11 to 14 mph, with gusts as high as 20 mph.

    High: 63 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40. North wind 6 to 9 mph.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 64. East wind 6 to 9 mph.

    High: 64 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers after 1pm. Mostly cloudy, with a high near 66. Breezy.

    High: 66 °F

    Mostly Cloudy
    then Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 51. Breezy. Chance of precipitation is 80%.

    Low: 51 °F

    Showers and
    Breezy

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 64. Windy. Chance of precipitation is 80%.

    High: 64 °F

    Showers and
    Windy

Detailed Forecast

Today
Showers and thunderstorms likely, mainly after 4pm. Mostly cloudy, with a high near 73. Windy, with a south wind 20 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms, mainly before 1am. Low around 46. Breezy, with a south wind 8 to 17 mph becoming north northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Sunny, with a high near 63. North northwest wind 11 to 14 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 40. North wind 6 to 9 mph.
Saturday
Partly sunny, with a high near 64. East wind 6 to 9 mph.
Saturday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 46.
Sunday
A 40 percent chance of showers after 1pm. Mostly cloudy, with a high near 66. Breezy.
Sunday Night
Showers and possibly a thunderstorm. Low around 51. Breezy. Chance of precipitation is 80%.
Monday
Showers and possibly a thunderstorm. High near 64. Windy. Chance of precipitation is 80%.
Monday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 41. Breezy.
Tuesday
Mostly sunny, with a high near 59.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
Partly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marshalltown Municipal Airport IA
 42.12°N 92.92°W
Last Update:
6:06 am CDT Apr 23, 2026
Forecast Valid:
9am CDT Apr 23, 2026-6pm CDT Apr 29, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation