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.

Overcast and Breezy

40°F

4°C

Humidity 63%
Wind Speed SE 25 G 36 mph
Barometer 29.78 in (1009.2 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 12 Mar 2:53 pm CDT
Extended Forecast for

Plymouth IA

Winter Storm Watch March 14, 10:00pm until March 16, 10:00am
High Wind Warning March 12, 10:00pm until March 13, 10:00am
Click here for hazard details and duration
Winter Storm Watch
High Wind Warning

  • This Afternoon

    This Afternoon: A 30 percent chance of showers. Mostly cloudy, with a high near 46. Windy, with a south wind around 23 mph, with gusts as high as 36 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Chance
    Showers and
    Windy

  • Tonight

    Tonight: Showers, mainly before midnight. Low around 28. Very windy, with a south wind 22 to 27 mph becoming west northwest 34 to 39 mph after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 28 °F

    Showers and
    Windy then
    Slight Chance
    Showers and
    Very Windy

  • Friday

    Friday: Partly sunny, with a high near 39. Very windy, with a northwest wind 31 to 36 mph decreasing to 18 to 23 mph in the afternoon. Winds could gust as high as 50 mph.

    High: 39 °F

    Partly Sunny
    and Very
    Windy

  • Friday Night

    Friday Night: A 40 percent chance of snow after 1am. Increasing clouds, with a low around 26. Northwest wind 5 to 10 mph becoming light and variable in the evening. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: A 20 percent chance of snow. Cloudy, with a high near 39. Southeast wind 5 to 11 mph.

    High: 39 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: Snow, possibly mixed with rain, becoming all snow after 4am. The snow could be heavy at times. Patchy blowing snow after 3am. Low around 27. Breezy. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 27 °F

    Rain/Snow
    Likely then
    Rain/Snow and
    Patchy
    Blowing Snow

  • Sunday

    Sunday: Snow. The snow could be heavy at times. Widespread blowing snow, mainly after 11am. High near 32. Windy. Chance of precipitation is 100%.

    High: 32 °F

    Heavy Snow
    and Blowing
    Snow

  • Sunday Night

    Sunday Night: A 50 percent chance of snow, mainly before 1am. Widespread blowing snow, mainly before 1am. Mostly cloudy, with a low around 4. Windy.

    Low: 4 °F

    Chance Snow
    and Blowing
    Snow

  • Monday

    Monday: Patchy blowing snow before 7am. Mostly sunny, with a high near 13. Windy.

    High: 13 °F

    Windy. Patchy
    Blowing Snow
    then Mostly
    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers. Mostly cloudy, with a high near 46. Windy, with a south wind around 23 mph, with gusts as high as 36 mph. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers, mainly before midnight. Low around 28. Very windy, with a south wind 22 to 27 mph becoming west northwest 34 to 39 mph after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Partly sunny, with a high near 39. Very windy, with a northwest wind 31 to 36 mph decreasing to 18 to 23 mph in the afternoon. Winds could gust as high as 50 mph.
Friday Night
A 40 percent chance of snow after 1am. Increasing clouds, with a low around 26. Northwest wind 5 to 10 mph becoming light and variable in the evening. New snow accumulation of less than a half inch possible.
Saturday
A 20 percent chance of snow. Cloudy, with a high near 39. Southeast wind 5 to 11 mph.
Saturday Night
Snow, possibly mixed with rain, becoming all snow after 4am. The snow could be heavy at times. Patchy blowing snow after 3am. Low around 27. Breezy. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
Snow. The snow could be heavy at times. Widespread blowing snow, mainly after 11am. High near 32. Windy. Chance of precipitation is 100%.
Sunday Night
A 50 percent chance of snow, mainly before 1am. Widespread blowing snow, mainly before 1am. Mostly cloudy, with a low around 4. Windy.
Monday
Patchy blowing snow before 7am. Mostly sunny, with a high near 13. Windy.
Monday Night
Mostly clear, with a low around -3. Blustery.
Tuesday
Mostly sunny, with a high near 20.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 12.
Wednesday
Mostly sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Plymouth IA
 43.25°N 93.13°W
Last Update:
2:46 pm CDT Mar 12, 2026
Forecast Valid:
3pm CDT Mar 12, 2026-6pm CDT Mar 18, 2026
 
Forecast Discussion
 
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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