National Weather Service

News Headlines

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

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Fair

29°F

-2°C

Humidity	72%
Wind Speed	S 16 mph
Barometer	29.84 in (1011.4 mb)
Dewpoint	21°F (-6°C)
Visibility	10.00 mi
Wind Chill	17°F (-8°C)
Last update	11 Nov 2:53 am CST

More Information:

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

Extended Forecast for

5 Miles S Mason City IA

Overnight
Low: 30 °F
Mostly Cloudy
and Breezy
Veterans Day
High: 49 °F
Becoming
Sunny and
Breezy
Tuesday Night
Low: 33 °F
Mostly Clear
Wednesday
High: 51 °F
Sunny
Wednesday Night
Low: 29 °F
Partly Cloudy
Thursday
High: 55 °F
Mostly Sunny
Thursday Night
Low: 35 °F
Mostly Clear
Friday
High: 60 °F
Mostly Sunny
Friday Night
Low: 47 °F
Mostly Cloudy

Detailed Forecast

Overnight

Mostly cloudy, with a steady temperature around 30. Breezy, with a south wind around 17 mph, with gusts as high as 25 mph.

Veterans Day

Mostly cloudy through mid morning, then gradual clearing, with a high near 49. Breezy, with a south southwest wind 14 to 17 mph becoming west northwest in the afternoon. Winds could gust as high as 26 mph.

Tuesday Night

Mostly clear, with a low around 33. West northwest wind around 14 mph, with gusts as high as 22 mph.

Wednesday

Sunny, with a high near 51. West northwest wind 8 to 14 mph, with gusts as high as 21 mph.

Wednesday Night

Partly cloudy, with a low around 29. West wind around 6 mph becoming calm after midnight.

Thursday

Mostly sunny, with a high near 55.

Thursday Night

Mostly clear, with a low around 35.

Friday

Mostly sunny, with a high near 60.