National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Fair

64°F

18°C

Humidity 75%
Wind Speed SW 10 mph
Barometer 29.86 in (1009.8 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 13 Jun 4:53 am CDT
Extended Forecast for

Mason City IA

  • Today

    Today: A chance of showers, with thunderstorms also possible after 1pm. Increasing clouds, with a high near 78. Southwest wind 8 to 11 mph becoming north northwest in the afternoon. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 50. North northwest wind 9 to 11 mph, with gusts as high as 18 mph.

    Low: 50 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 71. Breezy, with a northwest wind 13 to 17 mph, with gusts as high as 25 mph.

    High: 71 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48. West northwest wind 5 to 10 mph.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 75. West northwest wind 6 to 10 mph.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 53. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 77. Chance of precipitation is 70%.

    High: 77 °F

    Showers
    Likely

Detailed Forecast

Today
A chance of showers, with thunderstorms also possible after 1pm. Increasing clouds, with a high near 78. Southwest wind 8 to 11 mph becoming north northwest in the afternoon. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 50. North northwest wind 9 to 11 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 71. Breezy, with a northwest wind 13 to 17 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 48. West northwest wind 5 to 10 mph.
Monday
Sunny, with a high near 75. West northwest wind 6 to 10 mph.
Monday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 53. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Sunny, with a high near 76.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 54.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 77. Chance of precipitation is 70%.
Wednesday Night
A 40 percent chance of showers before 1am. Partly cloudy, with a low around 54.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
Mostly clear, with a low around 52.
Juneteenth
Sunny, with a high near 80.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mason City IA
 43.15°N 93.19°W
Last Update:
5:01 am CDT Jun 13, 2026
Forecast Valid:
5am CDT Jun 13, 2026-6pm CDT Jun 19, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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