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.

Fog/Mist and Breezy

48°F

9°C

Humidity 96%
Wind Speed SE 21 G 30 mph
Barometer 29.95 in (1014.3 mb)
Dewpoint 47°F (8°C)
Visibility 6.00 mi
Wind Chill41°F (5°C)
Last update 11 Apr 7:53 pm CDT
Extended Forecast for

Mason City IA

  • Tonight

    Tonight: A chance of rain and thunderstorms before 2am, then a chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a temperature rising to around 59 by 5am. Breezy, with a south southeast wind 16 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 51 °F⇑

    Chance
    T-storms and
    Breezy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 75. Windy, with a south southwest wind 18 to 23 mph, with gusts as high as 36 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Chance
    T-storms and
    Windy

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 56. Breezy, with a southwest wind 8 to 18 mph, with gusts as high as 26 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Chance
    T-storms and
    Breezy then
    Chance
    Showers

  • Monday

    Monday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 78. South wind 6 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 56. Southwest wind 6 to 14 mph, with gusts as high as 21 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 80. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Mostly Sunny
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 52. Chance of precipitation is 50%.

    Low: 52 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 73. Chance of precipitation is 30%.

    High: 73 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of rain and thunderstorms before 2am, then a chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a temperature rising to around 59 by 5am. Breezy, with a south southeast wind 16 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 75. Windy, with a south southwest wind 18 to 23 mph, with gusts as high as 36 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 30 percent chance of showers and thunderstorms before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 56. Breezy, with a southwest wind 8 to 18 mph, with gusts as high as 26 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 78. South wind 6 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A 50 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 56. Southwest wind 6 to 14 mph, with gusts as high as 21 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 80. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 52. Chance of precipitation is 50%.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 73. Chance of precipitation is 30%.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Sunny, with a high near 78.
Thursday Night
A 30 percent chance of showers. Mostly clear, with a low around 54.
Friday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 72. Windy.
Friday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 34. Breezy. Chance of precipitation is 40%.
Saturday
A 30 percent chance of snow showers. Mostly sunny, with a high near 51. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Mason City IA
 43.15°N 93.19°W
Last Update:
6:26 pm CDT Apr 11, 2026
Forecast Valid:
8pm CDT Apr 11, 2026-6pm CDT Apr 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation