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

43°F

6°C

Humidity 43%
Wind Speed Calm
Barometer 29.99 in (1015.9 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 6 May 10:53 pm CDT
Extended Forecast for

Garwin IA

  • Tonight

    Tonight: Partly cloudy, with a low around 34. Calm wind becoming south around 5 mph.

    Low: 34 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 63. South wind 6 to 10 mph becoming west in the afternoon.

    High: 63 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 37. West northwest wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Increasing
    Clouds

  • Friday

    Friday: Cloudy, then gradually becoming mostly sunny, with a high near 68. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 68 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 44. Southwest wind 5 to 7 mph.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 47. Chance of precipitation is 40%.

    Low: 47 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 66. Breezy.

    High: 66 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 34. Calm wind becoming south around 5 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 63. South wind 6 to 10 mph becoming west in the afternoon.
Thursday Night
Increasing clouds, with a low around 37. West northwest wind around 5 mph becoming calm in the evening.
Friday
Cloudy, then gradually becoming mostly sunny, with a high near 68. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Friday Night
Mostly clear, with a low around 44. Southwest wind 5 to 7 mph.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 47. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 66. Breezy.
Sunday Night
Mostly clear, with a low around 39.
Monday
Sunny, with a high near 70.
Monday Night
A 30 percent chance of showers. Partly cloudy, with a low around 48.
Tuesday
Partly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Garwin IA
 42.1°N 92.68°W
Last Update:
10:26 pm CDT May 6, 2026
Forecast Valid:
11pm CDT May 6, 2026-6pm CDT May 13, 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