Hazardous Weather Conditions
Current conditions at
Marshalltown, Marshalltown Municipal Airport (KMIW)
Lat: 42.11°NLon: 92.92°WElev: 971ft.
Fair and Windy
55°F
13°C
| Humidity | 69% |
| Wind Speed | N 26 G 39 mph |
| Barometer | 29.63 in (1002.6 mb) |
| Dewpoint | 45°F (7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 49°F (9°C) |
| Last update | 22 Mar 3:53 am CDT |
Extended Forecast for
Grundy Center IA
Overnight

Low: 45 °F
Partly Cloudy
and WindySunday

High: 51 °F
Clearing Late
and WindySunday Night
Low: 28 °F
Mostly Clear
and Blustery
then Mostly
ClearMonday

High: 51 °F
Mostly Sunny
Monday Night

Low: 35 °F
Mostly Cloudy
Tuesday

High: 60 °F
Partly Sunny
Tuesday Night

Low: 43 °F
Mostly Cloudy
Wednesday

High: 67 °F
Partly Sunny
Wednesday Night

Low: 47 °F
Partly Cloudy
Detailed Forecast
Overnight
Partly cloudy, with a low around 45. Windy, with a north northeast wind 11 to 21 mph, with gusts as high as 43 mph.
Sunday
Cloudy, then gradual clearing during the afternoon, with a high near 51. Windy, with a north wind 18 to 23 mph, with gusts as high as 33 mph.
Sunday Night
Mostly clear, with a low around 28. Blustery, with a north wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.
Monday
Mostly sunny, with a high near 51. Light and variable wind becoming east southeast around 6 mph in the morning.
Monday Night
Mostly cloudy, with a low around 35. South wind 6 to 9 mph.
Tuesday
Partly sunny, with a high near 60.
Tuesday Night
Mostly cloudy, with a low around 43.
Wednesday
Partly sunny, with a high near 67.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
Partly sunny, with a high near 64. Breezy.
Thursday Night
Mostly cloudy, with a low around 29. Blustery.
Friday
Mostly sunny, with a high near 46.
Friday Night
Mostly clear, with a low around 27.
Saturday
Mostly sunny, with a high near 53.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Grundy Center IA
42.36°N 92.76°W
42.36°N 92.76°W
2:57 am CDT Mar 22, 2026
3am CDT Mar 22, 2026-6pm CDT Mar 28, 2026



