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

41°F

5°C

Humidity 70%
Wind Speed SE 8 mph
Barometer 30.31 in (1026.7 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 11 Apr 7:53 am CDT
Extended Forecast for

Mason City IA

  • Today

    Today: A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 50. Breezy, with a southeast wind 8 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 50 °F

    Showers
    Likely and
    Breezy

  • Tonight

    Tonight: A chance of showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers and thunderstorms after 4am. Cloudy, with a temperature falling to near 49 by 8pm, then rising to around 57 during the remainder of the night. Breezy, with a south southeast wind around 18 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F⇑

    Breezy.
    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 71. Windy, with a south southwest wind 18 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Chance
    Showers and
    Windy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 55. Breezy, with a south southwest wind 8 to 18 mph, with gusts as high as 25 mph.

    Low: 55 °F

    Slight Chance
    T-storms and
    Breezy

  • 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 14 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 78 °F

    Mostly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 59. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. Chance of precipitation is 50%.

    High: 83 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 53. Chance of precipitation is 50%.

    Low: 53 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 40 percent chance of showers after 1pm. Sunny, with a high near 75.

    High: 75 °F

    Sunny then
    Chance
    Showers

Detailed Forecast

Today
A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 50. Breezy, with a southeast wind 8 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers and thunderstorms after 4am. Cloudy, with a temperature falling to near 49 by 8pm, then rising to around 57 during the remainder of the night. Breezy, with a south southeast wind around 18 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 71. Windy, with a south southwest wind 18 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 55. Breezy, with a south southwest wind 8 to 18 mph, with gusts as high as 25 mph.
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 14 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Monday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 59. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. Chance of precipitation is 50%.
Tuesday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 53. Chance of precipitation is 50%.
Wednesday
A 40 percent chance of showers after 1pm. Sunny, with a high near 75.
Wednesday Night
A 40 percent chance of showers before 1am. Mostly clear, with a low around 52.
Thursday
A 30 percent chance of showers. Sunny, with a high near 78.
Thursday Night
A 30 percent chance of showers. Mostly clear, with a low around 50.
Friday
A 50 percent chance of showers. Mostly sunny, with a high near 70. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Mason City IA
 43.15°N 93.19°W
Last Update:
5:17 am CDT Apr 11, 2026
Forecast Valid:
8am CDT Apr 11, 2026-6pm CDT Apr 17, 2026
 
Forecast Discussion
 
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Additional Resources

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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