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Hazardous Weather Conditions

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Overcast

24°F

-4°C

Humidity 88%
Wind Speed SW 9 mph
Barometer 29.91 in (1013.9 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 6 Dec 9:53 am CST
Extended Forecast for

2 Miles WSW Clear Lake IA

Winter Storm Warning December 6, 03:00pm until December 7, 06:00am
Click here for hazard details and duration
Winter Storm Warning

  • Today

    Today: Snow, mainly after 2pm. The snow could be heavy at times. High near 21. Wind chill values as low as 10. South wind 5 to 9 mph becoming east in the afternoon. Chance of precipitation is 80%. Total daytime snow accumulation of 1 to 3 inches possible.

    High: 21 °F

    Mostly Cloudy
    then Heavy
    Snow

  • Tonight

    Tonight: Snow, mainly before midnight. The snow could be heavy at times. Low around 4. Wind chill values as low as -5. East wind 10 to 13 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 4 °F

    Heavy Snow
    then Chance
    Snow

  • Sunday

    Sunday: Mostly sunny and cold, with a temperature falling to around 2 by 5pm. Wind chill values as low as -10. North wind 5 to 13 mph, with gusts as high as 18 mph.

    High: 9 °F⇓

    Cold

  • Sunday Night

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

    Low: 0 °F⇑

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 25. South wind 9 to 14 mph, with gusts as high as 18 mph.

    High: 25 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 13.

    Low: 13 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain and snow after noon. Mostly cloudy, with a high near 37. Chance of precipitation is 20%.

    High: 37 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A chance of rain before midnight, then a chance of rain and snow. Mostly cloudy, with a low around 16. Windy. Chance of precipitation is 50%.

    Low: 16 °F

    Chance Rain
    and Breezy
    then Chance
    Rain/Snow and
    Windy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 22. Windy.

    High: 22 °F

    Mostly Cloudy
    and Windy

Detailed Forecast

Today
Snow, mainly after 2pm. The snow could be heavy at times. High near 21. Wind chill values as low as 10. South wind 5 to 9 mph becoming east in the afternoon. Chance of precipitation is 80%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Snow, mainly before midnight. The snow could be heavy at times. Low around 4. Wind chill values as low as -5. East wind 10 to 13 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Sunday
Mostly sunny and cold, with a temperature falling to around 2 by 5pm. Wind chill values as low as -10. North wind 5 to 13 mph, with gusts as high as 18 mph.
Sunday Night
Mostly cloudy, with a temperature rising to around 5 by 5am. Wind chill values as low as -10. Light and variable wind becoming south 5 to 8 mph after midnight.
Monday
Partly sunny, with a high near 25. South wind 9 to 14 mph, with gusts as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 13.
Tuesday
A slight chance of rain and snow after noon. Mostly cloudy, with a high near 37. Chance of precipitation is 20%.
Tuesday Night
A chance of rain before midnight, then a chance of rain and snow. Mostly cloudy, with a low around 16. Windy. Chance of precipitation is 50%.
Wednesday
Mostly cloudy, with a high near 22. Windy.
Wednesday Night
Mostly cloudy, with a low around 6.
Thursday
A 30 percent chance of snow. Mostly cloudy, with a high near 17.
Thursday Night
Mostly cloudy, with a low around 2.
Friday
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:
5:16 am CST Dec 6, 2025
Forecast Valid:
10am CST Dec 6, 2025-6pm CST Dec 12, 2025
 
Forecast Discussion
 
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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