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Hazardous Weather Conditions

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Overcast

76°F

24°C

Humidity 79%
Wind Speed E 10 mph
Barometer 29.91 in (1011.5 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 10 Jul 1:53 pm CDT
Extended Forecast for

Clear Lake IA

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms before 4pm. Mostly sunny, with a high near 79. South wind around 13 mph, with gusts as high as 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms. Increasing clouds, with a low around 66. South southeast wind 9 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly before 11am. Partly sunny, with a high near 80. South southwest wind 9 to 11 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 64. Southwest wind around 7 mph becoming west northwest after midnight. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 79. Northwest wind 9 to 11 mph, with gusts as high as 18 mph.

    High: 79 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms before 4pm. Mostly sunny, with a high near 79. South wind around 13 mph, with gusts as high as 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms. Increasing clouds, with a low around 66. South southeast wind 9 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A 30 percent chance of showers and thunderstorms, mainly before 11am. Partly sunny, with a high near 80. South southwest wind 9 to 11 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 40 percent chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 64. Southwest wind around 7 mph becoming west northwest after midnight. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly sunny, with a high near 79. Northwest wind 9 to 11 mph, with gusts as high as 18 mph.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 63.
Monday
Sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 68.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Clear Lake IA
 43.13°N 93.37°W
Last Update:
1:36 pm CDT Jul 10, 2025
Forecast Valid:
2pm CDT Jul 10, 2025-6pm CDT Jul 16, 2025
 
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