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.

Thunderstorm Rain Fog/Mist

49°F

9°C

Humidity 97%
Wind Speed SE 13 G 24 mph
Barometer 29.85 in (1011.3 mb)
Dewpoint 48°F (9°C)
Visibility 5.00 mi
Wind Chill44°F (7°C)
Last update 3 Apr 10:53 pm CDT
Extended Forecast for

Grundy Center IA

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 1am, then a chance of showers between 1am and 2am. Low around 36. Breezy, with a north northeast wind 6 to 16 mph becoming west northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 36 °F

    Showers and
    Breezy

  • Saturday

    Saturday: Mostly cloudy, with a high near 45. Windy, with a west wind 20 to 24 mph, with gusts as high as 31 mph.

    High: 45 °F

    Mostly Cloudy
    and Windy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 30. Windy, with a west northwest wind 14 to 21 mph, with gusts as high as 28 mph.

    Low: 30 °F

    Mostly Cloudy
    and Windy

  • Sunday

    Sunday: Sunny, with a high near 54. West northwest wind 11 to 15 mph, with gusts as high as 22 mph.

    High: 54 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 31. West northwest wind around 11 mph.

    Low: 31 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 47. Breezy.

    High: 47 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain and snow showers after 1pm. Partly sunny, with a high near 45. Chance of precipitation is 20%.

    High: 45 °F

    Partly Sunny
    then Slight
    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A chance of rain and snow showers before 1am, then a chance of rain showers. Mostly cloudy, with a low around 35. Windy. Chance of precipitation is 40%.

    Low: 35 °F

    Chance
    Rain/Snow and
    Windy

Detailed Forecast

Tonight
Showers and possibly a thunderstorm before 1am, then a chance of showers between 1am and 2am. Low around 36. Breezy, with a north northeast wind 6 to 16 mph becoming west northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Mostly cloudy, with a high near 45. Windy, with a west wind 20 to 24 mph, with gusts as high as 31 mph.
Saturday Night
Mostly cloudy, with a low around 30. Windy, with a west northwest wind 14 to 21 mph, with gusts as high as 28 mph.
Sunday
Sunny, with a high near 54. West northwest wind 11 to 15 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 31. West northwest wind around 11 mph.
Monday
Mostly sunny, with a high near 47. Breezy.
Monday Night
Mostly cloudy, with a low around 23.
Tuesday
A slight chance of rain and snow showers after 1pm. Partly sunny, with a high near 45. Chance of precipitation is 20%.
Tuesday Night
A chance of rain and snow showers before 1am, then a chance of rain showers. Mostly cloudy, with a low around 35. Windy. Chance of precipitation is 40%.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 67. Windy.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 41. Windy.
Thursday
A 50 percent chance of showers. Partly sunny, with a high near 59. Breezy.
Thursday Night
Showers likely. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.
Friday
Showers likely. Mostly cloudy, with a high near 56. Breezy. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grundy Center IA
 42.36°N 92.76°W
Last Update:
10:26 pm CDT Apr 3, 2026
Forecast Valid:
10pm CDT Apr 3, 2026-6pm CDT Apr 10, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation