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.

Fog/Mist

65°F

18°C

Humidity 97%
Wind Speed NE 6 mph
Barometer 30.03 in (1016.4 mb)
Dewpoint 64°F (18°C)
Visibility 6.00 mi
Last update 4 Aug 9:53 pm CDT
Extended Forecast for

5 Miles NW Le Grand IA

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 60. North wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 60 °F

    Chance
    T-storms then
    Showers

  • Wednesday

    Wednesday: Showers likely, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 75. North northeast wind 3 to 5 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 75 °F

    Showers
    Likely then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 53. Light north wind.

    Low: 53 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 80. Calm wind.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 63.

    Low: 63 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of showers after 1am. Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 60. North wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Showers likely, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 75. North northeast wind 3 to 5 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Increasing clouds, with a low around 53. Light north wind.
Thursday
Sunny, with a high near 80. Calm wind.
Thursday Night
Mostly clear, with a low around 60. Calm wind.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 63.
Saturday
Sunny, with a high near 84.
Saturday Night
A 50 percent chance of showers after 1am. Partly cloudy, with a low around 66.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Monday
Partly sunny, with a high near 87.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Tuesday
Partly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Le Grand IA
 42.06°N 92.83°W
Last Update:
8:53 pm CDT Aug 4, 2026
Forecast Valid:
10pm CDT Aug 4, 2026-6pm CDT Aug 11, 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