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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.

Partly Cloudy

58°F

14°C

Humidity	67%
Wind Speed	NE 8 mph
Barometer	30.13 in (1020.0 mb)
Dewpoint	47°F (8°C)
Visibility	10.00 mi
Last update	6 Oct 1:53 pm CDT

More Information:

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

Extended Forecast for

Plymouth IA

This Afternoon
High: 56 °F
Chance
Showers
Tonight
Low: 41 °F
Slight Chance
Showers then
Mostly Clear
Tuesday
High: 67 °F
Sunny
Tuesday Night
Low: 40 °F
Clear
Wednesday
High: 68 °F
Sunny
Wednesday Night
Low: 43 °F
Mostly Clear
Thursday
High: 68 °F
Mostly Sunny
Thursday Night
Low: 50 °F
Slight Chance
Showers
Friday
High: 72 °F
Mostly Sunny

Detailed Forecast

This Afternoon

A 50 percent chance of showers. Mostly cloudy, with a steady temperature around 56. North wind around 8 mph. New precipitation amounts of less than a tenth of an inch possible.

Tonight

A 10 percent chance of showers before 7pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 41. North northwest wind around 6 mph.

Tuesday

Sunny, with a high near 67. Calm wind becoming northwest around 6 mph in the afternoon.

Tuesday Night

Clear, with a low around 40. Calm wind.

Wednesday

Sunny, with a high near 68. Calm wind becoming south southeast 5 to 7 mph in the afternoon.

Wednesday Night

Mostly clear, with a low around 43.

Thursday

Mostly sunny, with a high near 68.

Thursday Night

A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 50.