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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.

Fair

33°F

1°C

Humidity	61%
Wind Speed	S 15 G 24 mph
Barometer	29.77 in (1009.3 mb)
Dewpoint	21°F (-6°C)
Visibility	10.00 mi
Wind Chill	23°F (-5°C)
Last update	11 Nov 7:53 am CST

More Information:

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

Extended Forecast for

4 Miles WSW Union IA

Veterans Day
High: 50 °F
Becoming
Sunny and
Breezy
Tonight
Low: 33 °F
Mostly Clear
Wednesday
High: 53 °F
Sunny
Wednesday Night
Low: 32 °F
Partly Cloudy
Thursday
High: 58 °F
Mostly Sunny
Thursday Night
Low: 37 °F
Mostly Clear
Friday
High: 65 °F
Mostly Sunny
Friday Night
Low: 50 °F
Mostly Cloudy
Saturday
High: 69 °F
Partly Sunny

Detailed Forecast

Veterans Day

Mostly cloudy through mid morning, then gradual clearing, with a high near 50. Breezy, with a southwest wind 14 to 16 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph.

Tonight

Mostly clear, with a low around 33. West northwest wind 11 to 13 mph, with gusts as high as 21 mph.

Wednesday

Sunny, with a high near 53. West northwest wind 8 to 13 mph, with gusts as high as 20 mph.

Wednesday Night

Partly cloudy, with a low around 32. West wind around 6 mph becoming calm in the evening.

Thursday

Mostly sunny, with a high near 58. Calm wind becoming south 5 to 8 mph in the morning.

Thursday Night

Mostly clear, with a low around 37.

Friday

Mostly sunny, with a high near 65.