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

22°F

-6°C

Humidity 89%
Wind Speed SW 5 mph
Barometer 29.86 in (1012.0 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 6 Dec 6:53 am CST
Extended Forecast for

Mason City 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 likely, mainly after 4pm. The snow could be heavy at times. Mostly cloudy, with a high near 21. Wind chill values as low as 10. Light and variable wind becoming east 5 to 8 mph in the morning. Chance of precipitation is 70%. Total daytime snow accumulation of 1 to 2 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 5. Wind chill values as low as -5. East wind 7 to 11 mph becoming north after midnight. Winds could gust as high as 18 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 2 by 5pm. Wind chill values as low as -10. North wind 5 to 9 mph, with gusts as high as 18 mph.

    High: 10 °F⇓

    Cold

  • Sunday Night

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

    Low: 0 °F⇑

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 25. South wind 6 to 10 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 snow. Mostly cloudy, with a low around 16. Blustery. Chance of precipitation is 50%.

    Low: 16 °F

    Chance Rain
    then Chance
    Snow and
    Blustery

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 23. Blustery.

    High: 23 °F

    Mostly Cloudy
    and Blustery

Detailed Forecast

Today
Snow likely, mainly after 4pm. The snow could be heavy at times. Mostly cloudy, with a high near 21. Wind chill values as low as 10. Light and variable wind becoming east 5 to 8 mph in the morning. Chance of precipitation is 70%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Snow, mainly before midnight. The snow could be heavy at times. Low around 5. Wind chill values as low as -5. East wind 7 to 11 mph becoming north after midnight. Winds could gust as high as 18 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 9 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. Calm wind becoming south southeast around 5 mph after midnight.
Monday
Partly sunny, with a high near 25. South wind 6 to 10 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 snow. Mostly cloudy, with a low around 16. Blustery. Chance of precipitation is 50%.
Wednesday
Mostly cloudy, with a high near 23. Blustery.
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, with a high near 11.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mason City IA
 43.15°N 93.19°W
Last Update:
5:16 am CST Dec 6, 2025
Forecast Valid:
7am 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