Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11° N Lon: 92.92° W Elev: 971 ft.

Partly Cloudy

31°F

-1°C

Humidity 64%
Wind Speed NW 9 mph
Barometer 30.38 in (1030.3 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 10 Nov 12:53 pm CST
Detailed forecast for

Grundy County

This Afternoon
Sunny. Highs in the mid 30s. West winds 5 to 10 mph.
Tonight
Mostly cloudy. Lows in the lower 20s. Southwest winds 10 to 15 mph.
Veterans Day
Partly sunny in the morning, then clearing. Not as cool with highs around 50. Southwest winds around 15 mph, becoming west in the afternoon.
Tuesday Night
Mostly clear. Lows in the lower 30s. West winds around 10 mph with gusts up to 20 mph.
Wednesday
Sunny. Highs in the mid 50s. Northwest winds 10 to 15 mph with gusts up to 25 mph.
Wednesday Night
Partly cloudy. Lows in the lower 30s.
Thursday
Mostly sunny. Highs in the upper 50s.
Thursday Night
Partly cloudy. Lows in the upper 30s.
Friday
Partly sunny. Highs in the lower 60s.
Friday Night
Mostly cloudy. Lows in the lower 50s.
Saturday
Mostly cloudy. A chance of rain in the afternoon. Highs in the upper 60s. Chance of rain 30 percent.
Saturday Night
Mostly cloudy with a 50 percent chance of rain. Lows in the mid 40s.
Sunday
Partly sunny with a 40 percent chance of rain. Highs in the mid 50s.



Basemap Options
Click map to change the forecast location
Loading map...
118 PM CST Mon Nov 10 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database