Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

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

Fair

52°F

11°C

Humidity 83%
Wind Speed N 5 mph
Barometer 30.11 in (1019.7 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 1 Oct 9:53 pm CDT
Detailed forecast for

Grundy County

Rest Of Tonight
Mostly cloudy late this evening, then becoming partly cloudy. Cooler with lows in the mid 40s. North winds 5 to 10 mph.
Friday
Sunny. Highs in the lower 60s. North winds 5 to 10 mph.
Friday Night
Mostly clear. Lows in the lower 40s. Northeast winds around 5 mph, becoming southeast after midnight.
Saturday
Sunny. Highs in the mid 60s. South winds 10 to 15 mph.
Saturday Night
Mostly clear. Lows around 50. South winds 5 to 10 mph, becoming west after midnight.
Sunday
Sunny. Highs in the mid 60s.
Sunday Night
Mostly clear. Lows in the lower 40s.
Monday
Sunny. Highs in the lower 60s.
Monday Night
Clear. Lows in the mid 40s.
Tuesday
Sunny. Highs in the upper 60s.
Tuesday Night
Partly cloudy. Lows in the mid 50s.
Wednesday
Mostly sunny. Highs in the lower 70s.
Wednesday Night
Mostly clear. Lows in the lower 50s.
Thursday
Sunny. Highs in the lower 70s.



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909 PM CDT Thu Oct 1 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database