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.

A Few Clouds

53°F

12°C

Humidity 96%
Wind Speed NE 3 mph
Barometer 29.97 in (1014.9 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 22 Jun 4:53 am CDT
Extended Forecast for

3 Miles SSW Garwin IA

  • Today

    Today: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 77. Northeast wind around 6 mph.

    High: 77 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 54. Northeast wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Partly Cloudy

  • Tuesday

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

    High: 78 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 60. South wind around 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Partly Cloudy
    then Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly before 7am. Mostly sunny, with a high near 81. West northwest wind 6 to 9 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    T-storms

  • Wednesday Night

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

    Low: 56 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 77. Northeast wind around 6 mph.
Tonight
Partly cloudy, with a low around 54. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
Increasing clouds, 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 after 1am. Mostly cloudy, with a low around 60. South wind around 6 mph. 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 7am. Mostly sunny, with a high near 81. West northwest wind 6 to 9 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 55.
Friday
Mostly sunny, with a high near 78.
Friday Night
Mostly cloudy, with a low around 59.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Sunday
Mostly sunny, with a high near 89. Windy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Garwin IA
 42.06°N 92.71°W
Last Update:
5:17 am CDT Jun 22, 2026
Forecast Valid:
5am CDT Jun 22, 2026-6pm CDT Jun 28, 2026
 
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