Current conditions at
Marshalltown, Marshalltown Municipal Airport (KMIW)
Lat: 42.11°NLon: 92.92°WElev: 971ft.
Fair
31°F
-1°C
| Humidity | 64% |
| Wind Speed | SE 6 mph |
| Barometer | 30.14 in (1021.5 mb) |
| Dewpoint | 20°F (-7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 25°F (-4°C) |
| Last update | 12 Feb 6:53 pm CST |
Extended Forecast for
Grundy Center IA
Tonight
Low: 28 °F
Mostly Clear
then Patchy
Freezing Fog
and Patchy
FogFriday

High: 52 °F
Sunny
Friday Night

Low: 31 °F
Partly Cloudy
Saturday

High: 54 °F
Partly Sunny
Saturday Night

Low: 31 °F
Mostly Clear
Sunday

High: 56 °F
Sunny
Sunday Night

Low: 37 °F
Partly Cloudy
Washington's Birthday

High: 60 °F
Mostly Sunny
Monday Night

Low: 40 °F
Mostly Cloudy
Detailed Forecast
Tonight
Patchy fog after 5am. Patchy freezing fog after 5am. Otherwise, mostly clear, with a low around 28. Southeast wind around 6 mph becoming calm after midnight.
Friday
Sunny, with a high near 52. Calm wind becoming west around 5 mph.
Friday Night
Partly cloudy, with a low around 31. Light and variable wind.
Saturday
Partly sunny, with a high near 54. South wind 3 to 6 mph.
Saturday Night
Mostly clear, with a low around 31. South wind around 5 mph becoming light and variable.
Sunday
Sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 37.
Washington's Birthday
Mostly sunny, with a high near 60.
Monday Night
Mostly cloudy, with a low around 40.
Tuesday
Partly sunny, with a high near 60. Breezy.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 42.
Wednesday
A 30 percent chance of rain. Sunny, with a high near 56. Breezy.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
Partly sunny, with a high near 43. Breezy.
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
4:57 pm CST Feb 12, 2026
7pm CST Feb 12, 2026-6pm CST Feb 19, 2026


