Hazardous Weather Conditions

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Fair

51°F

11°C

Humidity 80%
Wind Speed N 7 mph
Barometer 30.23 in (1023.9 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 20 May 9:53 pm CDT
Extended Forecast for

Grundy Center IA

  • Tonight

    Tonight: Mostly cloudy, with a low around 43. East northeast wind 5 to 8 mph.

    Low: 43 °F

    Mostly Cloudy

  • Thursday

    Thursday: Cloudy, with a high near 61. East wind 11 to 13 mph, with gusts as high as 20 mph.

    High: 61 °F

    Cloudy

  • Thursday Night

    Thursday Night: A 40 percent chance of showers after 1am.  Mostly cloudy, with a low around 45. East wind 11 to 13 mph, with gusts as high as 20 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A chance of showers before 10am, then a chance of showers after 11am.  Mostly cloudy, with a high near 62. Breezy, with an east wind 13 to 16 mph, with gusts as high as 23 mph.  Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 62 °F

    Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: Showers likely, mainly before 1am.  Mostly cloudy, with a low around 48. East wind 5 to 13 mph, with gusts as high as 18 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Showers
    Likely

  • Saturday

    Saturday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 43. East northeast wind 5 to 8 mph.
Thursday
Cloudy, with a high near 61. East wind 11 to 13 mph, with gusts as high as 20 mph.
Thursday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 45. East wind 11 to 13 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of showers before 10am, then a chance of showers after 11am. Mostly cloudy, with a high near 62. Breezy, with an east wind 13 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 48. East wind 5 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Partly sunny, with a high near 71.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 52.
Memorial Day
Sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Mostly sunny, with a high near 84.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Grundy Center IA
 42.36°N 92.76°W
10:17 pm CDT May 20, 2026
10pm CDT May 20, 2026-6pm CDT May 27, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database