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.

Mostly Cloudy

63°F

17°C

Humidity 84%
Wind Speed E 7 mph
Barometer 29.84 in (1010.1 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 21 Jun 7:53 am CDT
Extended Forecast for

Garwin IA

  • Today

    Today: Showers, mainly after 9am. High near 66. East northeast wind 8 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 66 °F

    Showers

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 8pm. Partly cloudy, with a low around 51. North wind 5 to 14 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 76. North northeast wind around 6 mph.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53. East northeast wind around 5 mph becoming calm in the evening.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 58.

    Low: 58 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

Detailed Forecast

Today
Showers, mainly after 9am. High near 66. East northeast wind 8 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Tonight
A 30 percent chance of showers, mainly before 8pm. Partly cloudy, with a low around 51. North wind 5 to 14 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly sunny, with a high near 76. North northeast wind around 6 mph.
Monday Night
Mostly clear, with a low around 53. East northeast wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 78. Calm wind becoming south 5 to 8 mph in the afternoon.
Tuesday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 58.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 55.
Friday
Mostly sunny, with a high near 79.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Saturday
Partly sunny, with a high near 83. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Garwin IA
 42.1°N 92.68°W
Last Update:
8:32 am CDT Jun 21, 2026
Forecast Valid:
8am CDT Jun 21, 2026-6pm CDT Jun 27, 2026
 
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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