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

Hazardous Weather Conditions

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Fair and Breezy

80°F

27°C

Humidity 45%
Wind Speed SW 21 G 33 mph
Barometer 29.97 in (1013.8 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 25 May 1:53 pm CDT
Extended Forecast for

Plymouth IA

  • Memorial Day

    Memorial Day: Sunny, with a high near 85. South southwest wind 7 to 15 mph, with gusts as high as 22 mph.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 59. South wind 8 to 13 mph, with gusts as high as 20 mph.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms between 8am and 9am. Mostly sunny, with a high near 89. South southwest wind around 9 mph. Chance of precipitation is 20%.

    High: 89 °F

    Slight Chance
    T-storms then
    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 5am. Increasing clouds, with a low around 58. South wind around 6 mph becoming calm after midnight. Chance of precipitation is 20%.

    Low: 58 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 87 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

Memorial Day
Sunny, with a high near 85. South southwest wind 7 to 15 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 59. South wind 8 to 13 mph, with gusts as high as 20 mph.
Tuesday
A slight chance of showers and thunderstorms between 8am and 9am. Mostly sunny, with a high near 89. South southwest wind around 9 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 5am. Increasing clouds, with a low around 58. South wind around 6 mph becoming calm after midnight. Chance of precipitation is 20%.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. Calm wind becoming south southeast around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Mostly sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 53.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
Sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Plymouth IA
 43.23°N 93.13°W
Last Update:
2:26 pm CDT May 25, 2026
Forecast Valid:
2pm CDT May 25, 2026-6pm CDT May 31, 2026
 
Forecast Discussion
 
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Additional Resources

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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