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National Weather Service Flood Inundation Mapping Available for Iowa in September 2025

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Overcast

39°F

4°C

Humidity	93%
Wind Speed	N 6 mph
Barometer	30.07 in (1018.8 mb)
Dewpoint	37°F (3°C)
Visibility	10.00 mi
Wind Chill	35°F (2°C)
Last update	1 Nov 8:53 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

4 Miles E Marshalltown Municipal Airport IA

Today
High: 45 °F
Chance
Showers
Tonight
Low: 31 °F
Mostly Cloudy
Sunday
High: 53 °F
Mostly Sunny
Sunday Night
Low: 37 °F
Mostly Clear
Monday
High: 60 °F
Sunny
Monday Night
Low: 36 °F
Partly Cloudy
Tuesday
High: 63 °F
Mostly Sunny
Tuesday Night
Low: 41 °F
Mostly Clear
Wednesday
High: 62 °F
Sunny

Detailed Forecast

Today

A 30 percent chance of showers, mainly before 11am. Cloudy, with a high near 45. North wind 8 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.

Tonight

Mostly cloudy, with a low around 31. North wind around 5 mph becoming calm in the evening.

Sunday

Mostly sunny, with a high near 53. Light south wind becoming south southwest 10 to 15 mph in the morning. Winds could gust as high as 23 mph.

Sunday Night

Mostly clear, with a low around 37. South wind 9 to 11 mph, with gusts as high as 18 mph.

Monday

Sunny, with a high near 60. Northwest wind 8 to 10 mph.

Monday Night

Partly cloudy, with a low around 36.

Tuesday

Mostly sunny, with a high near 63.