Current conditions at
Marshalltown, Marshalltown Municipal Airport (KMIW)
Lat: 42.11°NLon: 92.92°WElev: 971ft.
Fair
23°F
-5°C
| Humidity | 88% |
| Wind Speed | S 13 mph |
| Barometer | 29.90 in (1013.8 mb) |
| Dewpoint | 20°F (-7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 11°F (-12°C) |
| Last update | 18 Mar 2:53 am CDT |
Extended Forecast for
Grundy Center IA
Overnight
Low: 23 °F
Partly Cloudy
Wednesday
High: 49 °F
Increasing
CloudsWednesday Night
Low: 34 °F
Mostly Cloudy
Thursday
High: 55 °F
Mostly Sunny
Thursday Night
Low: 41 °F
Mostly Cloudy
Friday
High: 71 °F
Mostly Sunny
Friday Night
Low: 43 °F
Mostly Cloudy
Saturday
High: 76 °F
Sunny
Saturday Night
Low: 42 °F
Partly Cloudy
then Mostly
Cloudy and
Breezy
Detailed Forecast
Overnight
Partly cloudy, with a steady temperature around 23. South wind around 10 mph.
Wednesday
Increasing clouds, with a high near 49. South wind around 6 mph becoming west in the morning.
Wednesday Night
Mostly cloudy, with a low around 34. South southwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 55. North wind around 6 mph.
Thursday Night
Mostly cloudy, with a low around 41. Northeast wind 5 to 8 mph becoming south southwest after midnight.
Friday
Mostly sunny, with a high near 71.
Friday Night
Mostly cloudy, with a low around 43.
Saturday
Sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 42. Breezy.
Sunday
Mostly cloudy, with a high near 56. Breezy.
Sunday Night
Mostly cloudy, with a low around 26.
Monday
Partly sunny, with a high near 45.
Monday Night
Mostly cloudy, with a low around 29.
Tuesday
Mostly cloudy, with a high near 51.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Grundy Center IA
42.36°N 92.76°W
42.36°N 92.76°W
2:46 am CDT Mar 18, 2026
3am CDT Mar 18, 2026-6pm CDT Mar 24, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
