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Hazardous Weather Conditions

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Partly Cloudy

13°F

-11°C

Humidity 81%
Wind Speed S 13 mph
Barometer 29.77 in (1010.0 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill-2°F (-19°C)
Last update 5 Dec 5:53 am CST
Extended Forecast for

Chapin IA

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

  • Today

    Today: A slight chance of snow before 2pm, then a slight chance of snow after 3pm. Mostly cloudy, with a high near 31. Wind chill values as low as zero. West southwest wind 10 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

    High: 31 °F

    Slight Chance
    Snow

  • Tonight

    Tonight: A 20 percent chance of snow before 8pm. Mostly cloudy, with a low around 12. Northwest wind 5 to 13 mph, with gusts as high as 22 mph.

    Low: 12 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Saturday

    Saturday: A 50 percent chance of snow after noon. Increasing clouds, with a high near 19. Wind chill values as low as 5. Light and variable wind becoming east 5 to 10 mph in the afternoon. New snow accumulation of less than one inch possible.

    High: 19 °F

    Mostly Sunny
    then Chance
    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 13 mph becoming north northeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

    Low: 5 °F

    Heavy Snow
    then Chance
    Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 12. North wind 6 to 10 mph.

    High: 12 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around -7.

    Low: -7 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 24.

    High: 24 °F

    Partly Sunny

  • Monday Night

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

    Low: 13 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 34.

    High: 34 °F

    Mostly Cloudy

Detailed Forecast

Today
A slight chance of snow before 2pm, then a slight chance of snow after 3pm. Mostly cloudy, with a high near 31. Wind chill values as low as zero. West southwest wind 10 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Tonight
A 20 percent chance of snow before 8pm. Mostly cloudy, with a low around 12. Northwest wind 5 to 13 mph, with gusts as high as 22 mph.
Saturday
A 50 percent chance of snow after noon. Increasing clouds, with a high near 19. Wind chill values as low as 5. Light and variable wind becoming east 5 to 10 mph in the afternoon. New snow accumulation of less than one 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 13 mph becoming north northeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Sunday
Mostly sunny, with a high near 12. North wind 6 to 10 mph.
Sunday Night
Mostly cloudy, with a low around -7.
Monday
Partly sunny, with a high near 24.
Monday Night
Mostly cloudy, with a low around 13.
Tuesday
Mostly cloudy, with a high near 34.
Tuesday Night
A 40 percent chance of rain before midnight. Cloudy, with a low around 20. Blustery.
Wednesday
Mostly cloudy, with a high near 29. Blustery.
Wednesday Night
Mostly cloudy, with a low around 3.
Thursday
Partly sunny, with a high near 19.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chapin IA
 42.84°N 93.23°W
Last Update:
5:42 am CST Dec 5, 2025
Forecast Valid:
6am CST Dec 5, 2025-6pm CST Dec 11, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation