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.

Light Rain

48°F

9°C

Humidity 80%
Wind Speed E 10 mph
Barometer 30.07 in (1018.9 mb)
Dewpoint 42°F (6°C)
Visibility 5.00 mi
Wind Chill44°F (7°C)
Last update 9 Apr 5:53 pm CDT
Extended Forecast for

Marshalltown IA

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 3am, then isolated showers between 3am and 4am. Some of the storms could produce heavy rainfall. Low around 37. East wind 7 to 11 mph becoming north after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 37 °F

    Heavy Rain
    then Showers
    Likely

  • Friday

    Friday: Mostly sunny, with a high near 55. North wind 6 to 9 mph.

    High: 55 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 36. Calm wind becoming east around 5 mph after midnight.

    Low: 36 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Increasing clouds, with a high near 60. Southeast wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 60 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Cloudy, with a low around 54. Breezy, with a south southeast wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Chance
    T-storms then
    Showers
    Likely and
    Breezy

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 71. Windy. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Showers
    Likely and
    Windy

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 60. Breezy.

    Low: 60 °F

    Chance
    Showers and
    Breezy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. Breezy.

    High: 80 °F

    Partly Sunny
    then Slight
    Chance
    T-storms and
    Breezy

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Showers and possibly a thunderstorm before 3am, then isolated showers between 3am and 4am. Some of the storms could produce heavy rainfall. Low around 37. East wind 7 to 11 mph becoming north after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Friday
Mostly sunny, with a high near 55. North wind 6 to 9 mph.
Friday Night
Mostly clear, with a low around 36. Calm wind becoming east around 5 mph after midnight.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Increasing clouds, with a high near 60. Southeast wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Cloudy, with a low around 54. Breezy, with a south southeast wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 71. Windy. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 60. Breezy.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. Breezy.
Monday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 79. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
Marshalltown IA
 42.06°N 92.92°W
Last Update:
5:43 pm CDT Apr 9, 2026
Forecast Valid:
6pm CDT Apr 9, 2026-6pm CDT Apr 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