National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Fair

87°F

31°C

Humidity 40%
Wind Speed S 14 G 21 mph
Barometer 30.09 in (1018.3 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 3 Oct 2:53 pm CDT
Extended Forecast for

Garwin IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 89. South wind around 10 mph.

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 65. South wind around 7 mph.

    Low: 65 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 88. Windy, with a south wind 8 to 13 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 88 °F

    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Clear, with a low around 62. South wind around 14 mph, with gusts as high as 23 mph.

    Low: 62 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 85. Windy, with a south wind 14 to 23 mph, with gusts as high as 34 mph.

    High: 85 °F

    Sunny and
    Windy

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 55. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 55 °F

    Showers
    Likely

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 67.

    High: 67 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 89. South wind around 10 mph.
Tonight
Clear, with a low around 65. South wind around 7 mph.
Saturday
Sunny, with a high near 88. Windy, with a south wind 8 to 13 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph.
Saturday Night
Clear, with a low around 62. South wind around 14 mph, with gusts as high as 23 mph.
Sunday
Sunny, with a high near 85. Windy, with a south wind 14 to 23 mph, with gusts as high as 34 mph.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 55. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 67.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
Sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Sunny, with a high near 71.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Garwin IA
 42.1°N 92.68°W
Last Update:
2:51 pm CDT Oct 3, 2025
Forecast Valid:
3pm CDT Oct 3, 2025-6pm CDT Oct 9, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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