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.

A Few Clouds

66°F

19°C

Humidity 43%
Wind Speed SE 9 mph
Barometer 29.85 in (1010.2 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 14 May 11:53 pm CDT
Extended Forecast for

Le Grand IA

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 55. South southeast wind 9 to 14 mph, with gusts as high as 21 mph.

    Low: 55 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 87. South wind 8 to 11 mph.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly before 3am. Increasing clouds, with a low around 58. South southeast wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    T-storms
    Likely

  • Saturday

    Saturday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 86. Calm wind becoming east southeast 5 to 8 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 7pm, then showers and thunderstorms likely after 7pm. Mostly cloudy, with a low around 59. East southeast wind 6 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 59 °F

    T-storms
    Likely

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87. Windy. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Chance
    T-storms and
    Windy

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 65. Windy.

    Low: 65 °F

    Chance
    T-storms and
    Windy

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 87. Windy. Chance of precipitation is 60%.

    High: 87 °F

    Showers
    Likely and
    Windy

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59. Windy. Chance of precipitation is 70%.

    Low: 59 °F

    Showers
    Likely and
    Windy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 55. South southeast wind 9 to 14 mph, with gusts as high as 21 mph.
Friday
Sunny, with a high near 87. South wind 8 to 11 mph.
Friday Night
Showers and thunderstorms likely, mainly before 3am. Increasing clouds, with a low around 58. South southeast wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 86. Calm wind becoming east southeast 5 to 8 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely and possibly a thunderstorm before 7pm, then showers and thunderstorms likely after 7pm. Mostly cloudy, with a low around 59. East southeast wind 6 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87. Windy. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 65. Windy.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 87. Windy. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59. Windy. Chance of precipitation is 70%.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 77. Breezy.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 70.
Wednesday Night
Mostly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Le Grand IA
 42.01°N 92.77°W
Last Update:
10:26 pm CDT May 14, 2026
Forecast Valid:
11pm CDT May 14, 2026-6pm CDT May 21, 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