National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Mostly Cloudy

30°F

-1°C

Humidity 88%
Wind Speed W 7 mph
Barometer 30.16 in (1022.2 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 9 Jan 9:53 pm CST
Extended Forecast for

Mason City IA

  • Tonight

    Tonight: A 30 percent chance of snow, mainly before 3am. Mostly cloudy, with a low around 25. Northwest wind 3 to 7 mph. Total nighttime snow accumulation of less than a half inch possible.

    Low: 25 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: A chance of snow between 11am and 1pm. Increasing clouds, with a high near 28. Blustery, with a northwest wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 28 °F

    Chance Snow
    and Blustery

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 15. Wind chill values as low as zero. Blustery, with a northwest wind 11 to 18 mph, with gusts as high as 25 mph.

    Low: 15 °F

    Mostly Cloudy
    and Blustery

  • Sunday

    Sunday: Mostly sunny, with a high near 29. Wind chill values as low as 5. Northwest wind 7 to 10 mph becoming southwest in the afternoon.

    High: 29 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 24. Southwest wind 8 to 10 mph.

    Low: 24 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 42.

    High: 42 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of snow, mainly before 3am. Mostly cloudy, with a low around 25. Northwest wind 3 to 7 mph. Total nighttime snow accumulation of less than a half inch possible.
Saturday
A chance of snow between 11am and 1pm. Increasing clouds, with a high near 28. Blustery, with a northwest wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Saturday Night
Mostly cloudy, with a low around 15. Wind chill values as low as zero. Blustery, with a northwest wind 11 to 18 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 29. Wind chill values as low as 5. Northwest wind 7 to 10 mph becoming southwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 24. Southwest wind 8 to 10 mph.
Monday
Sunny, with a high near 42.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
Partly sunny, with a high near 44.
Tuesday Night
Mostly cloudy, with a low around 25.
Wednesday
Partly sunny, with a high near 29.
Wednesday Night
Partly cloudy, with a low around 15.
Thursday
Partly sunny, with a high near 31.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 22.
Friday
A 30 percent chance of snow. Mostly cloudy, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mason City IA
 43.15°N 93.19°W
Last Update:
10:27 pm CST Jan 9, 2026
Forecast Valid:
10pm CST Jan 9, 2026-6pm CST Jan 16, 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