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

63°F

17°C

Humidity 93%
Wind Speed NW 5 mph
Barometer 29.80 in (1008.6 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 17 Jun 5:53 am CDT
Extended Forecast for

Montour IA

  • Today

    Today: A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then showers and thunderstorms likely after 4pm. Increasing clouds, with a high near 85. West southwest wind 5 to 8 mph becoming northwest in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 85 °F

    Partly Sunny
    then T-storms
    Likely

  • Tonight

    Tonight: Showers and thunderstorms. Low around 65. North northeast wind around 6 mph becoming southeast after midnight. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 65 °F

    Showers
    Likely then
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. High near 78. East northeast wind 7 to 11 mph becoming north northwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 78 °F

    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. North northwest wind 5 to 9 mph becoming light west northwest in the evening.

    Low: 59 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 87. West wind 5 to 9 mph.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Mostly Clear
    then Chance
    T-storms

  • Friday

    Friday: Sunny, with a high near 91. Breezy.

    High: 91 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 75. Breezy.

    Low: 75 °F

    Mostly Clear
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 95. Breezy.

    High: 95 °F

    Sunny and
    Breezy

Detailed Forecast

Today
A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then showers and thunderstorms likely after 4pm. Increasing clouds, with a high near 85. West southwest wind 5 to 8 mph becoming northwest in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms. Low around 65. North northeast wind around 6 mph becoming southeast after midnight. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. High near 78. East northeast wind 7 to 11 mph becoming north northwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Mostly clear, with a low around 59. North northwest wind 5 to 9 mph becoming light west northwest in the evening.
Juneteenth
Sunny, with a high near 87. West wind 5 to 9 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Sunny, with a high near 91. Breezy.
Friday Night
Mostly clear, with a low around 75. Breezy.
Saturday
Sunny, with a high near 95. Breezy.
Saturday Night
Clear, with a low around 74.
Sunday
Sunny, with a high near 94. Breezy.
Sunday Night
Mostly clear, with a low around 74. Breezy.
Monday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Montour IA
 41.99°N 92.71°W
Last Update:
5:55 am CDT Jun 17, 2025
Forecast Valid:
6am CDT Jun 17, 2025-6pm CDT Jun 23, 2025
 
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