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

48°F

9°C

Humidity 96%
Wind Speed Calm
Barometer 29.99 in (1014.9 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 19 Jun 4:53 am CDT
Extended Forecast for

Mason City IA

  • Juneteenth

    Juneteenth: A 50 percent chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 77. Light west southwest wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 52. West wind 5 to 13 mph, with gusts as high as 21 mph.

    Low: 52 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 77. North northwest wind around 6 mph becoming calm in the afternoon.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 1am. Increasing clouds, with a low around 55. Calm wind becoming east 5 to 7 mph after midnight. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Mostly cloudy, with a high near 70. East wind 9 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 70 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 53. Chance of precipitation is 20%.

    Low: 53 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Juneteenth
A 50 percent chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 77. Light west southwest wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 52. West wind 5 to 13 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 77. North northwest wind around 6 mph becoming calm in the afternoon.
Saturday Night
A 30 percent chance of showers after 1am. Increasing clouds, with a low around 55. Calm wind becoming east 5 to 7 mph after midnight. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Mostly cloudy, with a high near 70. East wind 9 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 53. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 76.
Tuesday Night
A 50 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 55.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Mason City IA
 43.15°N 93.19°W
Last Update:
3:07 am CDT Jun 19, 2026
Forecast Valid:
5am CDT Jun 19, 2026-6pm CDT Jun 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation