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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

46°F

8°C

Humidity	71%
Wind Speed	SW 10 mph
Barometer	29.97 in (1015.2 mb)
Dewpoint	37°F (3°C)
Visibility	10.00 mi
Wind Chill	41°F (5°C)
Last update	2 Nov 8:53 pm CST

More Information:

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

Extended Forecast for

Plymouth IA

Tonight
Low: 35 °F
Decreasing
Clouds
Monday
High: 58 °F
Sunny
Monday Night
Low: 35 °F
Partly Cloudy
Tuesday
High: 61 °F
Sunny
Tuesday Night
Low: 38 °F
Partly Cloudy
Wednesday
High: 55 °F
Sunny
Wednesday Night
Low: 32 °F
Partly Cloudy
Thursday
High: 55 °F
Partly Sunny
then Mostly
Cloudy and
Breezy
Thursday Night
Low: 41 °F
Mostly Cloudy

Detailed Forecast

Tonight

Mostly cloudy, then gradually becoming clear, with a low around 35. Southwest wind 8 to 10 mph becoming west northwest after midnight. Winds could gust as high as 20 mph.

Monday

Sunny, with a high near 58. West northwest wind 6 to 11 mph, with gusts as high as 20 mph.

Monday Night

Partly cloudy, with a low around 35. Calm wind becoming south southeast around 5 mph after midnight.

Tuesday

Sunny, with a high near 61. South southeast wind 5 to 11 mph, with gusts as high as 18 mph.

Tuesday Night

Partly cloudy, with a low around 38. South wind 5 to 8 mph becoming northwest after midnight.

Wednesday

Sunny, with a high near 55.

Wednesday Night

Partly cloudy, with a low around 32.