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

80°F

27°C

Humidity 67%
Wind Speed SE 8 mph
Barometer 29.81 in (1008.6 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 16 Jun 7:53 pm CDT
Extended Forecast for

Le Grand IA

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 10pm and 1am. Mostly cloudy, with a low around 67. South southwest wind around 7 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly after 11am. Mostly cloudy, with a high near 84. West wind around 7 mph becoming north in the morning. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Low around 64. East northeast wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 64 °F

    T-storms

  • Wednesday

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

    High: 80 °F

    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. North wind 6 to 10 mph becoming west after midnight.

    Low: 59 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly clear, with a low around 65.

    Low: 65 °F

    Chance
    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 89. Breezy.

    High: 89 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 74. Breezy.

    Low: 74 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly between 10pm and 1am. Mostly cloudy, with a low around 67. South southwest wind around 7 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly after 11am. Mostly cloudy, with a high near 84. West wind around 7 mph becoming north in the morning. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Low around 64. East northeast wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Wednesday
Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. High near 80. East northeast wind 7 to 11 mph becoming north in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
Mostly clear, with a low around 59. North wind 6 to 10 mph becoming west after midnight.
Juneteenth
Sunny, with a high near 86.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly clear, with a low around 65.
Friday
Mostly sunny, with a high near 89. Breezy.
Friday Night
Mostly clear, with a low around 74. Breezy.
Saturday
Sunny, with a high near 94. Breezy.
Saturday Night
Clear, with a low around 74.
Sunday
Sunny, with a high near 93. Breezy.
Sunday Night
Mostly clear, with a low around 73. Breezy.
Monday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Le Grand IA
 42.01°N 92.77°W
Last Update:
8:07 pm CDT Jun 16, 2025
Forecast Valid:
8pm CDT Jun 16, 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