Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Light Snow Fog/Mist

23°F

-5°C

Humidity 92%
Wind Speed E 7 mph
Barometer 29.89 in (1013.5 mb)
Dewpoint 21°F (-6°C)
Visibility 0.75 mi
Wind Chill15°F (-9°C)
Last update 6 Dec 7:53 pm CST
Extended Forecast for

2 Miles WSW Clear Lake IA

Winter Storm Warning December 6, 08:00pm until December 7, 06:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning December 6, 08:00pm until December 7, 06:00am

    NOW until 6:00am Sun

    Winter Storm Warning

  • Tonight

    Low: 3 °F

    Heavy Snow
    then Slight
    Chance Snow

  • Sunday

    Sunday: Mostly sunny and cold, with a temperature falling to around 5 by 8am. Wind chill values as low as -10. North wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 9 °F

    Cold

  • Sunday Night

    Sunday Night: Mostly cloudy, with a temperature rising to around 7 by 3am. Wind chill values as low as -10. Light and variable wind becoming south southeast 5 to 8 mph after midnight.

    Low: 0 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 25. Wind chill values as low as -5. South wind 9 to 15 mph, with gusts as high as 21 mph.

    High: 25 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 16. Breezy, with a west southwest wind 11 to 16 mph, with gusts as high as 21 mph.

    Low: 16 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain after noon.  Mostly cloudy, with a high near 37.

    High: 37 °F

    Partly Sunny
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain before midnight.  Mostly cloudy, with a low around 16. Windy.

    Low: 16 °F

    Windy. Chance
    Rain then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 24. Windy.

    High: 24 °F

    Mostly Cloudy
    and Windy

Detailed Forecast

Tonight
Snow, mainly before midnight. The snow could be heavy at times. Low around 3. East wind 9 to 13 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 2 to 4 inches possible.
Sunday
Mostly sunny and cold, with a temperature falling to around 5 by 8am. Wind chill values as low as -10. North wind 6 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a temperature rising to around 7 by 3am. Wind chill values as low as -10. Light and variable wind becoming south southeast 5 to 8 mph after midnight.
Monday
Mostly cloudy, with a high near 25. Wind chill values as low as -5. South wind 9 to 15 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 16. Breezy, with a west southwest wind 11 to 16 mph, with gusts as high as 21 mph.
Tuesday
A 30 percent chance of rain after noon. Mostly cloudy, with a high near 37.
Tuesday Night
A 40 percent chance of rain before midnight. Mostly cloudy, with a low around 16. Windy.
Wednesday
Mostly cloudy, with a high near 24. Windy.
Wednesday Night
Mostly cloudy, with a low around 9.
Thursday
A 30 percent chance of snow. Mostly cloudy, with a high near 18.
Thursday Night
Mostly cloudy, with a low around -2.
Friday
Partly sunny and cold, with a high near 5.
Friday Night
Mostly cloudy, with a low around -10.
Saturday
Mostly sunny and cold, with a high near 4.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Clear Lake IA
 43.13°N 93.43°W
6:52 pm CST Dec 6, 2025
8pm CST Dec 6, 2025-6pm CST Dec 13, 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