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.

Fair

-6°F

-21°C

Humidity 83%
Wind Speed N 7 mph
Barometer 30.33 in (1029.8 mb)
Dewpoint -10°F (-23°C)
Visibility 10.00 mi
Wind Chill-20°F (-29°C)
Last update 7 Dec 5:53 pm CST
Extended Forecast for

2 Miles WSW Clear Lake IA

  • Tonight

    Tonight: A 50 percent chance of snow, mainly between midnight and 5am. Increasing clouds, with a temperature falling to near -1 by 8pm, then rising to around 9 during the remainder of the night. Wind chill values as low as -10. Light and variable wind becoming south 5 to 9 mph after midnight. Total nighttime snow accumulation of less than a half inch possible.

    Low: -1 °F⇑

    Mostly Cloudy
    then Chance
    Snow

  • Monday

    Monday: Mostly cloudy, with a high near 26. Wind chill values as low as -5. South wind 10 to 14 mph, with gusts as high as 20 mph.

    High: 26 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a temperature rising to around 26 by 4am. Wind chill values as low as 5. South wind 11 to 14 mph becoming west after midnight. Winds could gust as high as 21 mph.

    Low: 20 °F⇑

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain and snow between noon and 3pm, then a slight chance of rain after 3pm. Mostly cloudy, with a high near 38. Breezy, with a west wind 9 to 17 mph becoming south southwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 20%.

    High: 38 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow and
    Breezy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 17. Windy, with a southwest wind 22 to 32 mph becoming northwest after midnight. Winds could gust as high as 41 mph.

    Low: 17 °F

    Windy. Chance
    Rain then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 23. Windy.

    High: 23 °F

    Mostly Cloudy
    and Windy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 6.

    Low: 6 °F

    Mostly Cloudy
    then Chance
    Snow

  • Thursday

    Thursday: A 40 percent chance of snow. Mostly cloudy, with a high near 17.

    High: 17 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -4. Blustery.

    Low: -4 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Blustery

Detailed Forecast

Tonight
A 50 percent chance of snow, mainly between midnight and 5am. Increasing clouds, with a temperature falling to near -1 by 8pm, then rising to around 9 during the remainder of the night. Wind chill values as low as -10. Light and variable wind becoming south 5 to 9 mph after midnight. Total nighttime snow accumulation of less than a half inch possible.
Monday
Mostly cloudy, with a high near 26. Wind chill values as low as -5. South wind 10 to 14 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a temperature rising to around 26 by 4am. Wind chill values as low as 5. South wind 11 to 14 mph becoming west after midnight. Winds could gust as high as 21 mph.
Tuesday
A slight chance of rain and snow between noon and 3pm, then a slight chance of rain after 3pm. Mostly cloudy, with a high near 38. Breezy, with a west wind 9 to 17 mph becoming south southwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 20%.
Tuesday Night
A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 17. Windy, with a southwest wind 22 to 32 mph becoming northwest after midnight. Winds could gust as high as 41 mph.
Wednesday
Mostly cloudy, with a high near 23. Windy.
Wednesday Night
A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 6.
Thursday
A 40 percent chance of snow. Mostly cloudy, with a high near 17.
Thursday Night
Mostly cloudy, with a low around -4. Blustery.
Friday
Mostly cloudy and cold, with a high near 6. Blustery.
Friday Night
Mostly cloudy, with a low around -10. Blustery.
Saturday
Mostly cloudy and cold, with a high near 2.
Saturday Night
Mostly cloudy, with a low around -9.
Sunday
Partly sunny and cold, with a high near 10.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Clear Lake IA
 43.13°N 93.43°W
Last Update:
3:16 pm CST Dec 7, 2025
Forecast Valid:
6pm CST Dec 7, 2025-6pm CST Dec 14, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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