Current conditions at
Mason City Municipal Airport (KMCW)
Lat: 43.15°NLon: 93.33°WElev: 1188ft.
Fair
36°F
2°C
| Humidity | 52% |
| Wind Speed | S 9 mph |
| Barometer | 30.10 in (1019.6 mb) |
| Dewpoint | 20°F (-7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 29°F (-2°C) |
| Last update | 29 Mar 12:53 am CDT |
Extended Forecast for
Clear Lake IA
Overnight

Low: 38 °F
Mostly Cloudy
Sunday

High: 68 °F
Mostly Sunny
Sunday Night

Low: 41 °F
Mostly Clear
Monday
High: 79 °F
Sunny then
Partly Sunny
and BreezyMonday Night

Low: 45 °F
Chance
Showers and
BreezyTuesday
High: 57 °F
Windy. Slight
Chance
T-storms then
Slight Chance
ShowersTuesday Night

Low: 27 °F
Mostly Cloudy
and WindyWednesday

High: 47 °F
Partly Sunny
Wednesday Night

Low: 28 °F
Mostly Cloudy
Detailed Forecast
Overnight
Mostly cloudy, with a steady temperature around 38. South wind 11 to 14 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 68. South wind 10 to 14 mph, with gusts as high as 18 mph.
Sunday Night
Mostly clear, with a low around 41. South wind around 7 mph.
Monday
Increasing clouds, with a high near 79. Breezy, with a south southeast wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 22 mph.
Monday Night
A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 45. Breezy, with a south southwest wind 11 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 57. Windy. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 27. Windy.
Wednesday
Partly sunny, with a high near 47.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
A chance of snow before 1pm, then a chance of rain and snow. Partly sunny, with a high near 45. Breezy. Chance of precipitation is 30%.
Thursday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 33. Breezy.
Friday
A 40 percent chance of rain. Partly sunny, with a high near 51. Breezy.
Friday Night
Rain likely. Mostly cloudy, with a low around 38. Breezy. Chance of precipitation is 60%.
Saturday
A 50 percent chance of rain. Mostly cloudy, with a high near 51. Windy.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Clear Lake IA
43.13°N 93.37°W
43.13°N 93.37°W
10:56 pm CDT Mar 28, 2026
1am CDT Mar 29, 2026-6pm CDT Apr 4, 2026


