Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Fair

28°F

-2°C

Humidity 75%
Wind Speed SW 12 mph
Barometer 30.25 in (1025.9 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 11 Jan 4:53 pm CST
Extended Forecast for

Clear Lake IA

  • Tonight

    Tonight: Increasing clouds, with a low around 25. South southwest wind 8 to 15 mph becoming west northwest after midnight. Winds could gust as high as 24 mph.

    Low: 25 °F

    Increasing
    Clouds

  • Monday

    Monday: Patchy fog before 8am. Patchy freezing fog between 8am and 9am.  Otherwise, mostly sunny, with a high near 41. West southwest wind 7 to 10 mph.

    High: 41 °F

    Patchy
    Freezing Fog
    and Patchy
    Fog then
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a steady temperature around 35. West southwest wind 8 to 14 mph, with gusts as high as 20 mph.

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44. Breezy, with a west northwest wind 16 to 20 mph, with gusts as high as 28 mph.

    High: 44 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 21. Windy, with a northwest wind 18 to 28 mph, with gusts as high as 34 mph.

    Low: 21 °F

    Mostly Cloudy
    and Windy

  • Wednesday

    Wednesday: Partly sunny, with a high near 24. Windy.

    High: 24 °F

    Partly Sunny
    and Windy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 12. Blustery.

    Low: 12 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Thursday

    Thursday: A 30 percent chance of snow after noon.  Mostly cloudy, with a high near 29.

    High: 29 °F

    Partly Sunny
    then Chance
    Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of snow.  Mostly cloudy, with a low around 23.

    Low: 23 °F

    Chance Snow

Detailed Forecast

Tonight
Increasing clouds, with a low around 25. South southwest wind 8 to 15 mph becoming west northwest after midnight. Winds could gust as high as 24 mph.
Monday
Patchy fog before 8am. Patchy freezing fog between 8am and 9am. Otherwise, mostly sunny, with a high near 41. West southwest wind 7 to 10 mph.
Monday Night
Mostly cloudy, with a steady temperature around 35. West southwest wind 8 to 14 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 44. Breezy, with a west northwest wind 16 to 20 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly cloudy, with a low around 21. Windy, with a northwest wind 18 to 28 mph, with gusts as high as 34 mph.
Wednesday
Partly sunny, with a high near 24. Windy.
Wednesday Night
Mostly clear, with a low around 12. Blustery.
Thursday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 29.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 23.
Friday
Snow likely, mainly after noon. Mostly cloudy, with a high near 30. Blustery. Chance of precipitation is 60%.
Friday Night
Mostly cloudy, with a low around 8. Blustery.
Saturday
Partly sunny, with a high near 16. Blustery.
Saturday Night
Partly cloudy, with a low around 5.
Sunday
Partly sunny, with a high near 22.
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ABOUT THIS FORECAST

 
Point Forecast:
Clear Lake IA
 43.13°N 93.37°W
3:16 pm CST Jan 11, 2026
5pm CST Jan 11, 2026-6pm CST Jan 18, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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