Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

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

Overcast

55°F

13°C

Humidity 90%
Wind Speed Calm
Barometer 30.24 in (1023.6 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 27 Aug 4:53 am CDT
Detailed forecast for

Tama County

Today
Partly cloudy early, then mostly cloudy with a slight chance of showers and thunderstorms this morning. Partly sunny this afternoon. Highs in the mid 70s. South winds 5 to 10 mph. Chance of rain 20 percent.
Tonight
Partly cloudy. Lows in the mid 50s. South winds 5 to 10 mph, becoming southwest after midnight.
Thursday
Sunny. Highs around 80. West winds around 5 mph, becoming north around 5 mph in the afternoon.
Thursday Night
Mostly clear. Lows in the mid 50s. Northeast winds around 5 mph.
Friday
Mostly sunny. Highs in the mid 70s. East winds around 5 mph.
Friday Night
Partly cloudy. Lows in the lower 50s.
Saturday
Mostly sunny. Highs in the lower 70s.
Saturday Night
Partly cloudy. Lows in the lower 50s.
Sunday
Mostly sunny. Highs in the mid 70s.
Sunday Night
Partly cloudy. Lows in the lower 50s.
Labor Day
Mostly sunny. Highs in the upper 70s.
Monday Night
Mostly clear. Lows in the mid 50s.
Tuesday
Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent.



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431 AM CDT Wed Aug 27 2025
 
 

Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database