National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Fair

29°F

-2°C

Humidity 75%
Wind Speed SW 16 mph
Barometer 30.12 in (1021.3 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 11 Jan 10:53 pm CST
Extended Forecast for

Plymouth IA

  • Tonight

    Tonight: Mostly cloudy, with a low around 24. West wind 7 to 10 mph, with gusts as high as 18 mph.

    Low: 24 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 40. West wind 6 to 8 mph.

    High: 40 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32. West southwest wind 6 to 13 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 43. Breezy, with a west northwest wind 14 to 17 mph, with gusts as high as 26 mph.

    High: 43 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 21. Windy, with a northwest wind 17 to 25 mph, with gusts as high as 33 mph.

    Low: 21 °F

    Mostly Cloudy
    and Windy

  • Wednesday

    Wednesday: Partly sunny, with a high near 25. Windy.

    High: 25 °F

    Partly Sunny
    and Windy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 11.

    Low: 11 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 30.

    High: 30 °F

    Partly Sunny
    then Chance
    Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 23.

    Low: 23 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 24. West wind 7 to 10 mph, with gusts as high as 18 mph.
Monday
Sunny, with a high near 40. West wind 6 to 8 mph.
Monday Night
Partly cloudy, with a low around 32. West southwest wind 6 to 13 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 43. Breezy, with a west northwest wind 14 to 17 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly cloudy, with a low around 21. Windy, with a northwest wind 17 to 25 mph, with gusts as high as 33 mph.
Wednesday
Partly sunny, with a high near 25. Windy.
Wednesday Night
Mostly clear, with a low around 11.
Thursday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 30.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 23.
Friday
Snow likely, mainly after noon. Mostly cloudy, with a high near 30. Blustery. Chance of precipitation is 60%.
Friday Night
Mostly cloudy, with a low around 8. Blustery.
Saturday
Partly sunny, with a high near 16.
Saturday Night
Partly cloudy, with a low around 4.
Sunday
Partly sunny, with a high near 22.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Plymouth IA
 43.25°N 93.13°W
Last Update:
10:51 pm CST Jan 11, 2026
Forecast Valid:
11pm CST Jan 11, 2026-6pm CST Jan 18, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation