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

75°F

24°C

Humidity 58%
Wind Speed SW 7 mph
Barometer 30.19 in (1022.0 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 23 Jun 11:53 am CDT
Extended Forecast for

3 Miles WSW Garwin IA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 78. Southwest wind 6 to 8 mph.

    High: 78 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of showers, with thunderstorms also possible after 4am. Partly cloudy, with a low around 59. South southwest wind 5 to 7 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly before 10am. Mostly sunny, with a high near 81. West wind 6 to 10 mph. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    Showers then
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. Northwest wind 3 to 8 mph.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 77. North wind 3 to 5 mph.

    High: 77 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60.

    Low: 60 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Partly sunny, with a high near 83.

    High: 83 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 78. Southwest wind 6 to 8 mph.
Tonight
A chance of showers, with thunderstorms also possible after 4am. Partly cloudy, with a low around 59. South southwest wind 5 to 7 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly before 10am. Mostly sunny, with a high near 81. West wind 6 to 10 mph. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Mostly clear, with a low around 57. Northwest wind 3 to 8 mph.
Thursday
Partly sunny, with a high near 77. North wind 3 to 5 mph.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 78.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Saturday
Partly sunny, with a high near 83.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Sunday
Mostly sunny, with a high near 91. Windy.
Sunday Night
Mostly clear, with a low around 72. Windy.
Monday
Sunny, with a high near 93. Windy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Garwin IA
 42.08°N 92.74°W
Last Update:
12:02 pm CDT Jun 23, 2026
Forecast Valid:
12pm CDT Jun 23, 2026-6pm CDT Jun 29, 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