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

46°F

8°C

Humidity 47%
Wind Speed NE 7 mph
Barometer 30.32 in (1027.5 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 10 Apr 7:53 pm CDT
Extended Forecast for

Mason City IA

  • Tonight

    Tonight: Partly cloudy, with a low around 34. Light and variable wind becoming southeast around 5 mph after midnight.

    Low: 34 °F

    Partly Cloudy

  • Saturday

    Saturday: Showers likely, then showers and possibly a thunderstorm after 1pm. High near 55. Breezy, with a southeast wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 55 °F

    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Cloudy, with a temperature rising to around 56 by 5am. Breezy, with a south southeast wind around 18 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F⇑

    Showers
    Likely and
    Breezy

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 71. Windy, with a south southwest wind 18 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Showers
    Likely and
    Windy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 56. Breezy, with a southwest wind 8 to 17 mph, with gusts as high as 25 mph.

    Low: 56 °F

    Slight Chance
    T-storms and
    Breezy

  • Monday

    Monday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.

    Low: 59 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A slight chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 82. Breezy. Chance of precipitation is 60%.

    High: 82 °F

    Slight Chance
    Showers then
    Showers
    Likely and
    Breezy

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers. Partly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 34. Light and variable wind becoming southeast around 5 mph after midnight.
Saturday
Showers likely, then showers and possibly a thunderstorm after 1pm. High near 55. Breezy, with a southeast wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely and possibly a thunderstorm. Cloudy, with a temperature rising to around 56 by 5am. Breezy, with a south southeast wind around 18 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 71. Windy, with a south southwest wind 18 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. 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. Partly cloudy, with a low around 56. Breezy, with a southwest wind 8 to 17 mph, with gusts as high as 25 mph.
Monday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 79.
Monday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Tuesday
A slight chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 82. Breezy. Chance of precipitation is 60%.
Tuesday Night
A 50 percent chance of showers. Partly cloudy, with a low around 52.
Wednesday
A 40 percent chance of showers after 1pm. Mostly sunny, with a high near 71.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 50.
Thursday
Sunny, with a high near 76. Breezy.
Thursday Night
A 40 percent chance of showers. Mostly clear, with a low around 50.
Friday
A 40 percent chance of showers. Mostly sunny, with a high near 66. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Mason City IA
 43.15°N 93.19°W
Last Update:
6:16 pm CDT Apr 10, 2026
Forecast Valid:
8pm CDT Apr 10, 2026-6pm CDT Apr 17, 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