Current conditions at
Marshalltown, Marshalltown Municipal Airport (KMIW)
Lat: 42.11°NLon: 92.92°WElev: 971ft.
Fair
1°F
-17°C
| Humidity | 83% |
| Wind Speed | NW 13 mph |
| Barometer | 30.62 in (1039.2 mb) |
| Dewpoint | -3°F (-19°C) |
| Visibility | 10.00 mi |
| Wind Chill | -17°F (-27°C) |
| Last update | 23 Feb 12:53 am CST |
Extended Forecast for
Grundy Center IA
Overnight

Low: 2 °F
Mostly Clear
Monday

High: 17 °F
Sunny
Monday Night

Low: 8 °F⇑
Partly Cloudy
Tuesday

High: 39 °F
Partly Sunny
Tuesday Night

Low: 16 °F
Mostly Clear
Wednesday
High: 29 °F
Sunny then
Chance SnowWednesday Night

Low: 16 °F
Chance Snow
Thursday

High: 31 °F
Mostly Sunny
Thursday Night

Low: 20 °F
Mostly Clear
Detailed Forecast
Overnight
Mostly clear, with a low around 2. Wind chill values as low as -15. North northwest wind 9 to 13 mph, with gusts as high as 18 mph.
Monday
Sunny, with a high near 17. Wind chill values as low as -10. North northwest wind 5 to 8 mph becoming calm in the afternoon.
Monday Night
Partly cloudy, with a temperature falling to near 8 by 10pm, then rising to around 18 during the remainder of the night. Wind chill values as low as -5. South wind 5 to 15 mph, with gusts as high as 21 mph.
Tuesday
Partly sunny, with a high near 39. Wind chill values as low as 5. South wind 11 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 16. Northwest wind 8 to 11 mph.
Wednesday
A 40 percent chance of snow after noon. Mostly sunny, with a high near 29.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 16.
Thursday
Mostly sunny, with a high near 31.
Thursday Night
Mostly clear, with a low around 20.
Friday
Sunny, with a high near 44.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Mostly sunny, with a high near 37. Breezy.
Saturday Night
Partly cloudy, with a low around 13.
Sunday
Partly sunny, with a high near 29.
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
10:31 pm CST Feb 22, 2026
1am CST Feb 23, 2026-6pm CST Mar 1, 2026


