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.

Partly Cloudy and Breezy

37°F

3°C

Humidity 70%
Wind Speed SE 21 G 30 mph
Barometer 30.10 in (1020.2 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 8 Apr 12:53 am CDT
Extended Forecast for

Grundy Center IA

  • Overnight

    Overnight: A 20 percent chance of showers before 3am. Mostly cloudy, with a low around 37. Breezy, with a south southeast wind 18 to 20 mph, with gusts as high as 31 mph.

    Low: 37 °F

    Slight Chance
    Showers and
    Breezy

  • Wednesday

    Wednesday: A chance of showers between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Increasing clouds, with a high near 70. Windy, with a southwest wind 22 to 30 mph, with gusts as high as 46 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Windy. Mostly
    Sunny then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Cloudy during the early evening, then gradual clearing, with a low around 35. West wind 7 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 35 °F

    Chance
    Showers then
    Mostly Clear

  • Thursday

    Thursday: A 40 percent chance of showers after 1pm. Increasing clouds, with a high near 56. North northwest wind around 6 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Sunny then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 38. East wind around 7 mph becoming north northeast after midnight. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 38 °F

    Showers

  • Friday

    Friday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 60. Breezy. Chance of precipitation is 40%.

    High: 60 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 53. Breezy.

    Low: 53 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Overnight
A 20 percent chance of showers before 3am. Mostly cloudy, with a low around 37. Breezy, with a south southeast wind 18 to 20 mph, with gusts as high as 31 mph.
Wednesday
A chance of showers between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Increasing clouds, with a high near 70. Windy, with a southwest wind 22 to 30 mph, with gusts as high as 46 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Cloudy during the early evening, then gradual clearing, with a low around 35. West wind 7 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 40 percent chance of showers after 1pm. Increasing clouds, with a high near 56. North northwest wind around 6 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 38. East wind around 7 mph becoming north northeast after midnight. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Mostly sunny, with a high near 56.
Friday Night
Mostly clear, with a low around 38.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 60. Breezy. Chance of precipitation is 40%.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 53. Breezy.
Sunday
Showers likely. Mostly cloudy, with a high near 72. Windy. Chance of precipitation is 70%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 59. Windy. Chance of precipitation is 60%.
Monday
A 40 percent chance of showers. Partly sunny, with a high near 76. Windy.
Monday Night
Showers likely. Mostly cloudy, with a low around 45. Breezy. Chance of precipitation is 60%.
Tuesday
A 40 percent chance of showers. Partly sunny, with a high near 56. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Grundy Center IA
 42.36°N 92.76°W
Last Update:
1:26 am CDT Apr 8, 2026
Forecast Valid:
1am CDT Apr 8, 2026-6pm CDT Apr 14, 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