


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 Index | 77°F (25°C) |
Last update | 10 Jul 1:53 pm CDT |
Extended Forecast for
Clear Lake IA
This Afternoon
High: 79 °F
Chance
ShowersTonight
Low: 66 °F
Chance
T-stormsFriday
High: 80 °F
Chance
Showers then
Slight Chance
T-stormsFriday Night
Low: 64 °F
Chance
T-stormsSaturday
High: 79 °F
Mostly Sunny
Saturday Night
Low: 58 °F
Mostly Clear
Sunday
High: 83 °F
Sunny
Sunday Night
Low: 63 °F
Mostly Clear
Monday
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.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Clear Lake IA
43.13°N 93.37°W
43.13°N 93.37°W
1:36 pm CDT Jul 10, 2025
2pm CDT Jul 10, 2025-6pm CDT Jul 16, 2025