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.

Fair

67°F

19°C

Humidity 87%
Wind Speed Calm
Barometer 30.03 in (1016.2 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 15 Jun 10:53 pm CDT
Extended Forecast for

Marshalltown IA

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a steady temperature around 69. South southeast wind 3 to 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 9am. Mostly sunny, with a high near 88. South wind 3 to 8 mph.

    High: 88 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 69. South wind 6 to 8 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms likely after 4pm. Partly sunny, with a high near 86. South southwest wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 86 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 65. West wind around 6 mph becoming east after midnight. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 65 °F

    T-storms then
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. New rainfall amounts between a quarter and half of an inch possible.

    High: 83 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 61.

    Low: 61 °F

    Slight Chance
    T-storms

  • Juneteenth

    Juneteenth: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a steady temperature around 69. South southeast wind 3 to 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A 20 percent chance of showers and thunderstorms after 9am. Mostly sunny, with a high near 88. South wind 3 to 8 mph.
Monday Night
A 40 percent chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 69. South wind 6 to 8 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A slight chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms likely after 4pm. Partly sunny, with a high near 86. South southwest wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers and possibly a thunderstorm. Low around 65. West wind around 6 mph becoming east after midnight. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 61.
Juneteenth
Sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny, with a high near 89. Breezy.
Friday Night
Mostly clear, with a low around 72.
Saturday
Sunny, with a high near 93. Breezy.
Saturday Night
Mostly clear, with a low around 73.
Sunday
Sunny, with a high near 92. 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:
10:52 pm CDT Jun 15, 2025
Forecast Valid:
11pm CDT Jun 15, 2025-6pm CDT Jun 22, 2025
 
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