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.

Fog/Mist

58°F

14°C

Humidity 97%
Wind Speed S 7 mph
Barometer 29.69 in (1004.9 mb)
Dewpoint 57°F (14°C)
Visibility 4.00 mi
Last update 15 Apr 6:53 am CDT
Extended Forecast for

Marshalltown IA

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly after 9am. Some of the storms could be severe. Mostly cloudy, with a high near 71. South southwest wind 5 to 7 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Chance
    Showers then
    Severe
    Thunderstorms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 3am. Some of the storms could be severe. Mostly cloudy, with a low around 52. East northeast wind around 6 mph becoming west southwest after midnight. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Severe
    Thunderstorms
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 74. West wind 5 to 8 mph.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55. South wind 6 to 9 mph.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 77. Breezy, with a south wind 10 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 77 °F

    Breezy.
    Partly Sunny
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 35 °F

    Showers
    Likely

  • Saturday

    Saturday: A 20 percent chance of showers. Mostly sunny, with a high near 48. Breezy.

    High: 48 °F

    Slight Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29. Blustery.

    Low: 29 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after 9am. Some of the storms could be severe. Mostly cloudy, with a high near 71. South southwest wind 5 to 7 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 3am. Some of the storms could be severe. Mostly cloudy, with a low around 52. East northeast wind around 6 mph becoming west southwest after midnight. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Sunny, with a high near 74. West wind 5 to 8 mph.
Thursday Night
Mostly clear, with a low around 55. South wind 6 to 9 mph.
Friday
Showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 77. Breezy, with a south wind 10 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 48. Breezy.
Saturday Night
Partly cloudy, with a low around 29. Blustery.
Sunday
Sunny, with a high near 54.
Sunday Night
Mostly clear, with a low around 34.
Monday
Sunny, with a high near 67. Breezy.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 71. 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:
6:46 am CDT Apr 15, 2026
Forecast Valid:
7am CDT Apr 15, 2026-6pm CDT Apr 21, 2026
 
Forecast Discussion
 
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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