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

85°F

29°C

Humidity 72%
Wind Speed NA
Barometer 29.95 in (1013.4 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 1 Sep 10:53 am CDT
Extended Forecast for

3 Miles ENE Montour IA

  • Today

    Today: Mostly sunny, with a high near 92. Heat index values as high as 100. South southwest wind 6 to 8 mph.

    High: 92 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 73. Light and variable wind becoming south around 6 mph in the evening.

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 92. West southwest wind 5 to 9 mph.

    High: 92 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 72. Calm wind becoming south around 5 mph after midnight.

    Low: 72 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 92. South wind 3 to 8 mph.

    High: 92 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 92.

    High: 92 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 95.

    High: 95 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 92. Heat index values as high as 100. South southwest wind 6 to 8 mph.
Tonight
Mostly clear, with a low around 73. Light and variable wind becoming south around 6 mph in the evening.
Wednesday
Sunny, with a high near 92. West southwest wind 5 to 9 mph.
Wednesday Night
Mostly clear, with a low around 72. Calm wind becoming south around 5 mph after midnight.
Thursday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 92. South wind 3 to 8 mph.
Thursday Night
Mostly clear, with a low around 74.
Friday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 92.
Friday Night
Mostly clear, with a low around 72.
Saturday
Mostly sunny, with a high near 95.
Saturday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 70.
Sunday
A 30 percent chance of showers. Mostly sunny, with a high near 90.
Sunday Night
Partly cloudy, with a low around 66.
Labor Day
Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Montour IA
 41.99°N 92.68°W
Last Update:
9:19 am CDT Sep 1, 2026
Forecast Valid:
11am CDT Sep 1, 2026-6pm CDT Sep 7, 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