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.

Light Snow Fog/Mist

23°F

-5°C

Humidity 92%
Wind Speed E 13 mph
Barometer 30.25 in (1025.8 mb)
Dewpoint 21°F (-6°C)
Visibility 1.50 mi
Wind Chill11°F (-12°C)
Last update 28 Nov 9:53 pm CST
Extended Forecast for

2 Miles WSW Chapin IA

Winter Storm Warning November 28, 10:45pm until November 30, 06:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning November 28, 10:45pm until November 30, 06:00am

    NOW until 6:00am Sun

    Winter Storm Warning

  • Tonight

    Low: 22 °F

    Heavy Snow

  • Saturday

    Saturday: Snow. The snow could be heavy at times. High near 26. East wind 13 to 15 mph becoming north northeast in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    High: 26 °F

    Heavy Snow

  • Saturday Night

    Saturday Night: Snow, mainly before 11pm. Low around 12. Wind chill values as low as -5. Blustery, with a northwest wind 16 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    Low: 12 °F

    Blustery.
    Snow then
    Slight Chance
    Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 17. Wind chill values as low as -5. Blustery, with a northwest wind 8 to 17 mph, with gusts as high as 28 mph.

    High: 17 °F

    Mostly Sunny
    and Blustery
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 1. West northwest wind around 6 mph becoming calm in the evening.

    Low: 1 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 16.

    High: 16 °F

    Mostly Cloudy
    then Chance
    Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 3.

    Low: 3 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 21.

    High: 21 °F

    Partly Sunny

Detailed Forecast

Tonight
Snow. The snow could be heavy at times. Low around 22. East wind 7 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 7 inches possible.
Saturday
Snow. The snow could be heavy at times. High near 26. East wind 13 to 15 mph becoming north northeast in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Saturday Night
Snow, mainly before 11pm. Low around 12. Wind chill values as low as -5. Blustery, with a northwest wind 16 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Sunday
Mostly sunny, with a high near 17. Wind chill values as low as -5. Blustery, with a northwest wind 8 to 17 mph, with gusts as high as 28 mph.
Sunday Night
Mostly cloudy, with a low around 1. West northwest wind around 6 mph becoming calm in the evening.
Monday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 16.
Monday Night
Mostly cloudy, with a low around 3.
Tuesday
Partly sunny, with a high near 21.
Tuesday Night
Mostly cloudy, with a low around 11.
Wednesday
Mostly cloudy, with a high near 26.
Wednesday Night
Mostly cloudy, with a low around -3.
Thursday
Mostly sunny, with a high near 16.
Thursday Night
Mostly cloudy, with a low around 5.
Friday
Mostly cloudy, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Chapin IA
 42.82°N 93.26°W
Last Update:
9:52 pm CST Nov 28, 2025
Forecast Valid:
10pm CST Nov 28, 2025-6pm CST Dec 5, 2025
 
Forecast Discussion
 
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Additional Resources

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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