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.

Partly Cloudy

70°F

21°C

Humidity 90%
Wind Speed S 10 mph
Barometer 29.93 in (1012.1 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 3 Sep 9:53 am CDT
Extended Forecast for

3 Miles W Mason City IA

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly before noon. Mostly sunny, with a high near 87. South wind 7 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 70. South wind around 8 mph.

    Low: 70 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Friday

    Friday: Sunny, with a high near 89. South southwest wind 5 to 7 mph becoming light and variable in the afternoon.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 87. Calm wind becoming east around 5 mph in the morning.

    High: 87 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 67. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 83.

    High: 83 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Labor Day

    Labor Day: Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly before noon. Mostly sunny, with a high near 87. South wind 7 to 10 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 after 1am. Mostly clear, with a low around 70. South wind around 8 mph.
Friday
Sunny, with a high near 89. South southwest wind 5 to 7 mph becoming light and variable in the afternoon.
Friday Night
Mostly clear, with a low around 68. Calm wind.
Saturday
Mostly sunny, with a high near 87. Calm wind becoming east around 5 mph in the morning.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 67. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 83.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65.
Labor Day
Partly sunny, with a high near 82.
Monday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 67.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 85.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Wednesday
Partly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Mason City IA
 43.15°N 93.25°W
Last Update:
8:32 am CDT Sep 3, 2026
Forecast Valid:
10am CDT Sep 3, 2026-6pm CDT Sep 9, 2026
 
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Additional Resources

Radar & Satellite Image

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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