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

54°F

12°C

Humidity 62%
Wind Speed W 14 mph
Barometer 29.98 in (1015.8 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 22 Nov 12:53 pm CST
Extended Forecast for

Grundy Center IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 56. Breezy, with a west southwest wind 8 to 16 mph, with gusts as high as 23 mph.

    High: 56 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Clear, with a low around 30. West northwest wind 5 to 9 mph becoming light northwest after midnight.

    Low: 30 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 55. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 37. South wind 6 to 8 mph.

    Low: 37 °F

    Increasing
    Clouds

  • Monday

    Monday: Rain likely, mainly after noon. Mostly cloudy, with a high near 51. South wind 8 to 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Chance Rain
    then Rain
    Likely

  • Monday Night

    Monday Night: Rain likely, mainly before midnight. Cloudy, with a low around 43. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Rain Likely
    then Chance
    Rain

  • Tuesday

    Tuesday: A 20 percent chance of rain. Partly sunny, with a high near 53. Breezy.

    High: 53 °F

    Slight Chance
    Rain and
    Breezy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 26. Breezy.

    Low: 26 °F

    Slight Chance
    Rain and
    Breezy

  • Wednesday

    Wednesday: Partly sunny, with a high near 34. Windy.

    High: 34 °F

    Partly Sunny
    and Windy

Detailed Forecast

This Afternoon
Sunny, with a high near 56. Breezy, with a west southwest wind 8 to 16 mph, with gusts as high as 23 mph.
Tonight
Clear, with a low around 30. West northwest wind 5 to 9 mph becoming light northwest after midnight.
Sunday
Sunny, with a high near 55. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Sunday Night
Increasing clouds, with a low around 37. South wind 6 to 8 mph.
Monday
Rain likely, mainly after noon. Mostly cloudy, with a high near 51. South wind 8 to 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Rain likely, mainly before midnight. Cloudy, with a low around 43. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 53. Breezy.
Tuesday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 26. Breezy.
Wednesday
Partly sunny, with a high near 34. Windy.
Wednesday Night
Partly cloudy, with a low around 20.
Thanksgiving Day
Mostly sunny, with a high near 33.
Thursday Night
Partly cloudy, with a low around 17.
Friday
Mostly sunny, with a high near 31.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grundy Center IA
 42.36°N 92.79°W
Last Update:
1:43 pm CST Nov 22, 2025
Forecast Valid:
1pm CST Nov 22, 2025-6pm CST Nov 28, 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