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

Hazardous Weather Conditions

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Freezing Fog

28°F

-2°C

Humidity	100%
Wind Speed	SE 3 mph
Barometer	30.19 in (1023.1 mb)
Dewpoint	28°F (-2°C)
Visibility	0.50 mi
Last update	2 Nov 12:53 am CST

More Information:

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

Extended Forecast for

4 Miles E Ferguson IA

Dense Fog Advisory until November 2, 08:00am

Click here for hazard details and duration

Dense Fog Advisory

Dense Fog Advisory until November 2, 08:00am
NOW until 8:00am Sun
Dense Fog Advisory
Overnight
Low: 31 °F
Areas
Freezing Fog
and Patchy
Fog
Sunday
High: 52 °F
Areas
Freezing Fog
and Areas Fog
then Sunny
and Breezy
Sunday Night
Low: 37 °F
Mostly Clear
Monday
High: 60 °F
Sunny
Monday Night
Low: 38 °F
Partly Cloudy
Tuesday
High: 64 °F
Mostly Sunny
Tuesday Night
Low: 40 °F
Partly Cloudy
Wednesday
High: 60 °F
Sunny

Detailed Forecast

Overnight

Patchy fog before 4am. Areas of freezing fog after 4am. Otherwise, partly cloudy, with a low around 31. Calm wind.

Sunday

Areas of fog between 8am and 9am. Areas of freezing fog before 8am. Otherwise, sunny, with a high near 52. Breezy, with a light south wind becoming south southwest 11 to 16 mph in the morning. Winds could gust as high as 23 mph.

Sunday Night

Mostly clear, with a low around 37. South wind 7 to 11 mph becoming west after midnight. Winds could gust as high as 20 mph.

Monday

Sunny, with a high near 60. Northwest wind 3 to 8 mph.

Monday Night

Partly cloudy, with a low around 38. Calm wind becoming south southeast around 5 mph after midnight.

Tuesday

Mostly sunny, with a high near 64.

Tuesday Night

Partly cloudy, with a low around 40.

Wednesday

Sunny, with a high near 60.