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

75°F

24°C

Humidity 25%
Wind Speed SE 22 G 33 mph
Barometer 29.93 in (1012.9 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 14 May 11:53 am CDT
Extended Forecast for

Mason City Municipal Airport IA

  • This Afternoon

    This Afternoon: A 10 percent chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 78. Windy, with a south wind 23 to 25 mph, with gusts as high as 38 mph.

    High: 78 °F

    Slight Chance
    T-storms and
    Windy

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Cloudy, then gradual clearing toward daybreak, with a low around 52. Windy, with a south wind 13 to 22 mph, with gusts as high as 31 mph. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Chance
    Showers and
    Windy then
    Partly Cloudy
    and Breezy

  • Friday

    Friday: Sunny, with a high near 88. Southwest wind 9 to 11 mph.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 52. South southwest wind 5 to 10 mph becoming light and variable after midnight. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 83. North wind 5 to 10 mph becoming east in the afternoon. Chance of precipitation is 20%.

    High: 83 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 7pm, then showers and thunderstorms likely after 7pm. Mostly cloudy, with a low around 53. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    T-storms
    Likely

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 84. Windy. Chance of precipitation is 70%.

    High: 84 °F

    T-storms
    Likely and
    Windy

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60. Windy.

    Low: 60 °F

    Chance
    T-storms and
    Windy

  • Monday

    Monday: Showers likely, with thunderstorms also possible after 1pm. Partly sunny, with a high near 85. Windy. Chance of precipitation is 70%.

    High: 85 °F

    Showers
    Likely and
    Windy

Detailed Forecast

This Afternoon
A 10 percent chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 78. Windy, with a south wind 23 to 25 mph, with gusts as high as 38 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Cloudy, then gradual clearing toward daybreak, with a low around 52. Windy, with a south wind 13 to 22 mph, with gusts as high as 31 mph. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Sunny, with a high near 88. Southwest wind 9 to 11 mph.
Friday Night
A 50 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 52. South southwest wind 5 to 10 mph becoming light and variable after midnight. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 83. North wind 5 to 10 mph becoming east in the afternoon. Chance of precipitation is 20%.
Saturday Night
Showers likely and possibly a thunderstorm before 7pm, then showers and thunderstorms likely after 7pm. Mostly cloudy, with a low around 53. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 84. Windy. Chance of precipitation is 70%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60. Windy.
Monday
Showers likely, with thunderstorms also possible after 1pm. Partly sunny, with a high near 85. Windy. Chance of precipitation is 70%.
Monday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 51. Windy. Chance of precipitation is 80%.
Tuesday
Partly sunny, with a high near 70. Windy.
Tuesday Night
Partly cloudy, with a low around 41. Breezy.
Wednesday
Partly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
Mason City Municipal Airport IA
 43.15°N 93.34°W
Last Update:
12:26 pm CDT May 14, 2026
Forecast Valid:
12pm CDT May 14, 2026-6pm CDT May 20, 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