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Hazardous Weather Conditions

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Overcast

15°F

-9°C

Humidity 74%
Wind Speed S 13 mph
Barometer 30.08 in (1021.0 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill1°F (-17°C)
Last update 20 Jan 4:53 pm CST
Extended Forecast for

Mason City IA

Extreme Cold Watch January 23, 12:00am until January 24, 12:00pm
Winter Weather Advisory until January 21, 03:00am
Click here for hazard details and duration
Extreme Cold Watch
Winter Weather Advisory
  •  
    Winter Weather Advisory until January 21, 03:00am

    NOW until 3:00am Wed

    Winter Weather Advisory

  • This Afternoon

    High: 16 °F

    Snow Likely

  • Tonight

    Tonight: Snow before 3am, then a chance of flurries between 3am and 4am. Steady temperature around 12. Wind chill values as low as zero. South wind around 6 mph becoming calm. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 12 °F

    Snow then
    Chance Snow

  • Wednesday

    Wednesday: Snow, mainly before 5pm. Areas of blowing snow after noon. High near 28. Wind chill values as low as zero. Windy, with a west southwest wind 7 to 12 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 28 °F

    Mostly Sunny
    then Snow and
    Areas Blowing
    Snow

  • Wednesday Night

    Wednesday Night: Areas of blowing snow before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 2. Wind chill values as low as -10. Windy, with a west northwest wind 18 to 28 mph decreasing to 8 to 18 mph after midnight. Winds could gust as high as 37 mph.

    Low: 2 °F

    Areas Blowing
    Snow and
    Windy then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 13. West wind 7 to 13 mph, with gusts as high as 18 mph.

    High: 13 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -18.

    Low: -18 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and cold, with a high near -9.

    High: -9 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -18.

    Low: -18 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Snow likely. Cloudy, with a high near 16. Wind chill values as low as 5. South wind around 7 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow before 3am, then a chance of flurries between 3am and 4am. Steady temperature around 12. Wind chill values as low as zero. South wind around 6 mph becoming calm. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Wednesday
Snow, mainly before 5pm. Areas of blowing snow after noon. High near 28. Wind chill values as low as zero. Windy, with a west southwest wind 7 to 12 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Wednesday Night
Areas of blowing snow before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 2. Wind chill values as low as -10. Windy, with a west northwest wind 18 to 28 mph decreasing to 8 to 18 mph after midnight. Winds could gust as high as 37 mph.
Thursday
Mostly sunny, with a high near 13. West wind 7 to 13 mph, with gusts as high as 18 mph.
Thursday Night
Partly cloudy, with a low around -18.
Friday
Mostly sunny and cold, with a high near -9.
Friday Night
Mostly cloudy, with a low around -18.
Saturday
Partly sunny and cold, with a high near -1.
Saturday Night
Mostly cloudy, with a low around -11.
Sunday
Mostly sunny and cold, with a high near 3.
Sunday Night
Partly cloudy, with a low around -9.
Monday
Sunny, with a high near 14.
Monday Night
Partly cloudy, with a low around 4.
Tuesday
Mostly sunny, with a high near 19.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mason City IA
 43.15°N 93.19°W
Last Update:
3:16 pm CST Jan 20, 2026
Forecast Valid:
5pm CST Jan 20, 2026-6pm CST Jan 27, 2026
 
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