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.

Light Rain and Breezy

37°F

3°C

Humidity 96%
Wind Speed E 24 G 33 mph
Barometer 29.90 in (1013.1 mb)
Dewpoint 36°F (2°C)
Visibility 7.00 mi
Wind Chill26°F (-3°C)
Last update 1 Apr 11:53 pm CDT
Extended Forecast for

Grundy Center IA

  • Overnight

    Overnight: Showers, with thunderstorms also possible after 4am. Low around 37. Breezy, with an east wind 13 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 37 °F

    Showers and
    Breezy

  • Thursday

    Thursday: Showers and thunderstorms, mainly before 4pm. Patchy fog before 11am. High near 64. Breezy, with an east wind 14 to 17 mph becoming west southwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 64 °F

    Showers and
    Patchy Fog
    then Showers
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 34. Breezy, with a west wind 12 to 17 mph becoming north 6 to 11 mph after midnight. Winds could gust as high as 26 mph.

    Low: 34 °F

    Slight Chance
    T-storms and
    Breezy then
    Mostly Cloudy

  • Friday

    Friday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 60. East wind 6 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 60 °F

    Chance
    Showers then
    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers. Mostly cloudy, with a low around 35. East wind around 15 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 35 °F

    Showers
    Likely

  • Saturday

    Saturday: Mostly cloudy, with a high near 44. Windy.

    High: 44 °F

    Mostly Cloudy
    and Windy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 29. Windy.

    Low: 29 °F

    Mostly Cloudy
    and Windy

  • Sunday

    Sunday: Sunny, with a high near 52. Breezy.

    High: 52 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers, with thunderstorms also possible after 4am. Low around 37. Breezy, with an east wind 13 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Showers and thunderstorms, mainly before 4pm. Patchy fog before 11am. High near 64. Breezy, with an east wind 14 to 17 mph becoming west southwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 34. Breezy, with a west wind 12 to 17 mph becoming north 6 to 11 mph after midnight. Winds could gust as high as 26 mph.
Friday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 60. East wind 6 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers. Mostly cloudy, with a low around 35. East wind around 15 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Mostly cloudy, with a high near 44. Windy.
Saturday Night
Mostly cloudy, with a low around 29. Windy.
Sunday
Sunny, with a high near 52. Breezy.
Sunday Night
Mostly clear, with a low around 33.
Monday
Partly sunny, with a high near 52.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Mostly sunny, with a high near 48.
Tuesday Night
Mostly cloudy, with a low around 34. Breezy.
Wednesday
Partly sunny, with a high near 62. Windy.
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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:
10:47 pm CDT Apr 1, 2026
Forecast Valid:
12am CDT Apr 2, 2026-6pm CDT Apr 8, 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