Current conditions at
Marshalltown, Marshalltown Municipal Airport (KMIW)
Lat: 42.11°NLon: 92.92°WElev: 971ft.
Fair
50°F
10°C
| Humidity | 80% |
| Wind Speed | S 5 mph |
| Barometer | 29.87 in (1011.3 mb) |
| Dewpoint | 44°F (7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 48°F (9°C) |
| Last update | 21 Mar 2:53 am CDT |
Extended Forecast for
Grundy Center IA
Overnight

Low: 46 °F
Partly Cloudy
Saturday
High: 84 °F
Mostly Sunny
then Sunny
and BreezySaturday Night
Low: 45 °F
Mostly Clear
then Partly
Cloudy and
BreezySunday

High: 49 °F
Partly Sunny
and WindySunday Night

Low: 29 °F
Mostly Clear
Monday

High: 52 °F
Mostly Sunny
Monday Night

Low: 37 °F
Mostly Cloudy
Tuesday

High: 60 °F
Partly Sunny
Tuesday Night

Low: 40 °F
Mostly Cloudy
Detailed Forecast
Overnight
Partly cloudy, with a low around 46. South southeast wind around 6 mph.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 84. Breezy, with a south wind 7 to 17 mph becoming west in the afternoon. Winds could gust as high as 26 mph.
Saturday Night
Partly cloudy, with a low around 45. Breezy, with a southwest wind 9 to 16 mph becoming north after midnight. Winds could gust as high as 24 mph.
Sunday
Partly sunny, with a steady temperature around 49. Windy, with a north wind 20 to 22 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 29. North wind 6 to 15 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 52.
Monday Night
Mostly cloudy, with a low around 37.
Tuesday
Partly sunny, with a high near 60.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Mostly cloudy, with a high near 62.
Wednesday Night
Mostly cloudy, with a low around 46.
Thursday
Partly sunny, with a high near 60. Breezy.
Thursday Night
Partly cloudy, with a low around 29. Blustery.
Friday
Partly sunny, with a high near 47.
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
1:51 am CDT Mar 21, 2026
3am CDT Mar 21, 2026-6pm CDT Mar 27, 2026


