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

65°F

18°C

Humidity 90%
Wind Speed NW 8 mph
Barometer 29.91 in (1012.3 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 2 Aug 1:53 am CDT
Extended Forecast for

3 Miles N Montour IA

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 65. North wind around 6 mph.

    Low: 65 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 82. North northeast wind 5 to 7 mph.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60. Light east southeast wind.

    Low: 60 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 83. Calm wind becoming south southeast 5 to 8 mph in the morning.

    High: 83 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. Southeast wind 5 to 7 mph.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 61. Chance of precipitation is 80%.

    Low: 61 °F

    Chance
    T-storms then
    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.

    High: 77 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 57.

    Low: 57 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 65. North wind around 6 mph.
Sunday
Mostly sunny, with a high near 82. North northeast wind 5 to 7 mph.
Sunday Night
Mostly clear, with a low around 60. Light east southeast wind.
Monday
Mostly sunny, with a high near 83. Calm wind becoming south southeast 5 to 8 mph in the morning.
Monday Night
Mostly clear, with a low around 63. Southeast wind 5 to 7 mph.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 61. Chance of precipitation is 80%.
Wednesday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 57.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 60.
Friday
Mostly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 64.
Saturday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Montour IA
 42.01°N 92.71°W
Last Update:
1:27 am CDT Aug 2, 2026
Forecast Valid:
2am CDT Aug 2, 2026-6pm CDT Aug 8, 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