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.

Overcast and Breezy

23°F

-5°C

Humidity 85%
Wind Speed NW 21 G 30 mph
Barometer 29.82 in (1010.9 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 5 Dec 10:53 pm CST
Extended Forecast for

2 Miles WSW Clear Lake IA

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

  • Tonight

    Tonight: Mostly cloudy, with a low around 14. Wind chill values as low as 5. Northwest wind 5 to 15 mph, with gusts as high as 21 mph.

    Low: 14 °F

    Mostly Cloudy

  • Saturday

    Saturday: Snow, mainly after 2pm. High near 20. Wind chill values as low as 5. Light and variable wind becoming east 5 to 10 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    High: 20 °F

    Mostly Cloudy
    then Snow

  • Saturday Night

    Saturday Night: Snow, mainly before midnight. The snow could be heavy at times. Low around 5. Wind chill values as low as -5. East wind 10 to 14 mph becoming north after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 5 °F

    Heavy Snow
    then Chance
    Snow

  • Sunday

    Sunday: Mostly sunny and cold, with a temperature falling to around 3 by 5pm. Wind chill values as low as -10. North wind 6 to 13 mph, with gusts as high as 20 mph.

    High: 9 °F⇓

    Cold

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around -5. Light and variable wind becoming south southeast 5 to 7 mph after midnight.

    Low: -5 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 22.

    High: 22 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 12.

    Low: 12 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain and snow after noon. Mostly cloudy, with a high near 36. Chance of precipitation is 20%.

    High: 36 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain before midnight. Mostly cloudy, with a low around 19. Windy.

    Low: 19 °F

    Chance Rain
    and Breezy
    then Mostly
    Cloudy and
    Windy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 14. Wind chill values as low as 5. Northwest wind 5 to 15 mph, with gusts as high as 21 mph.
Saturday
Snow, mainly after 2pm. High near 20. Wind chill values as low as 5. Light and variable wind becoming east 5 to 10 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Saturday Night
Snow, mainly before midnight. The snow could be heavy at times. Low around 5. Wind chill values as low as -5. East wind 10 to 14 mph becoming north after midnight. Winds could gust as high as 22 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 3 by 5pm. Wind chill values as low as -10. North wind 6 to 13 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around -5. Light and variable wind becoming south southeast 5 to 7 mph after midnight.
Monday
Partly sunny, with a high near 22.
Monday Night
Mostly cloudy, with a low around 12.
Tuesday
A slight chance of rain and snow after noon. Mostly cloudy, with a high near 36. Chance of precipitation is 20%.
Tuesday Night
A 40 percent chance of rain before midnight. Mostly cloudy, with a low around 19. Windy.
Wednesday
Mostly cloudy, with a high near 28. Windy.
Wednesday Night
Mostly cloudy, with a low around 10.
Thursday
Mostly cloudy, with a high near 19.
Thursday Night
Mostly cloudy, with a low around 4.
Friday
Mostly cloudy, with a high near 12.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Clear Lake IA
 43.13°N 93.43°W
Last Update:
10:47 pm CST Dec 5, 2025
Forecast Valid:
11pm CST Dec 5, 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