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

35°F

2°C

Humidity 57%
Wind Speed N 9 mph
Barometer 30.40 in (1030.4 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 6 Apr 11:53 pm CDT
Extended Forecast for

Grundy Center IA

  • Overnight

    Overnight: Mostly cloudy, with a low around 24. East northeast wind 8 to 10 mph.

    Low: 24 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain and snow showers between 3pm and 4pm, then a slight chance of rain showers after 4pm. Increasing clouds, with a high near 42. East wind 8 to 15 mph becoming south southeast in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 20%.

    High: 42 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A chance of showers before 11pm, then a chance of showers after midnight. Mostly cloudy, with a low around 34. Windy, with a south southeast wind 15 to 23 mph, with gusts as high as 31 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Chance
    Showers and
    Windy

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 4pm. Partly sunny, with a high near 66. Windy, with a south wind 24 to 30 mph, with gusts as high as 43 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Windy. Slight
    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 40. Breezy, with a southwest wind 7 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 40 °F

    Showers
    Likely and
    Breezy

  • Thursday

    Thursday: A 40 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 59. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.

    Low: 39 °F

    Showers
    Likely

  • Friday

    Friday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 58.

    High: 58 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 24. East northeast wind 8 to 10 mph.
Tuesday
A slight chance of rain and snow showers between 3pm and 4pm, then a slight chance of rain showers after 4pm. Increasing clouds, with a high near 42. East wind 8 to 15 mph becoming south southeast in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of showers before 11pm, then a chance of showers after midnight. Mostly cloudy, with a low around 34. Windy, with a south southeast wind 15 to 23 mph, with gusts as high as 31 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers likely, with thunderstorms also possible after 4pm. Partly sunny, with a high near 66. Windy, with a south wind 24 to 30 mph, with gusts as high as 43 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 40. Breezy, with a southwest wind 7 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 40 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 59. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Friday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 58.
Friday Night
Partly cloudy, with a low around 39.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 61. Breezy.
Saturday Night
Showers likely. Mostly cloudy, with a low around 51. Breezy. Chance of precipitation is 60%.
Sunday
Showers. High near 72. Windy. Chance of precipitation is 80%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 58. Breezy. Chance of precipitation is 70%.
Monday
A 50 percent chance of showers. Partly sunny, with a high near 75. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Grundy Center IA
 42.36°N 92.76°W
Last Update:
10:43 pm CDT Apr 6, 2026
Forecast Valid:
12am CDT Apr 7, 2026-6pm CDT Apr 13, 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