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.

Fair

13°F

-11°C

Humidity 81%
Wind Speed NW 15 mph
Barometer 30.08 in (1020.2 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill-3°F (-19°C)
Last update 21 Feb 1:53 am CST
Extended Forecast for

Mason City IA

  • Overnight

    Overnight: Mostly cloudy, with a low around 12. Wind chill values as low as zero. Northwest wind 7 to 9 mph.

    Low: 12 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 22. Wind chill values as low as zero. Northwest wind 9 to 14 mph, with gusts as high as 18 mph.

    High: 22 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 9. Wind chill values as low as -5. Blustery, with a north northwest wind 14 to 17 mph, with gusts as high as 24 mph.

    Low: 9 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Blustery

  • Sunday

    Sunday: Mostly sunny, with a high near 18. Wind chill values as low as -10. Blustery, with a north northwest wind 17 to 20 mph, with gusts as high as 28 mph.

    High: 18 °F

    Mostly Sunny
    and Blustery

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 4. Blustery, with a north northwest wind 9 to 17 mph, with gusts as high as 24 mph.

    Low: 4 °F

    Partly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Monday

    Monday: Sunny, with a high near 21.

    High: 21 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 8.

    Low: 8 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 12. Wind chill values as low as zero. Northwest wind 7 to 9 mph.
Saturday
Mostly cloudy, with a high near 22. Wind chill values as low as zero. Northwest wind 9 to 14 mph, with gusts as high as 18 mph.
Saturday Night
Mostly cloudy, with a low around 9. Wind chill values as low as -5. Blustery, with a north northwest wind 14 to 17 mph, with gusts as high as 24 mph.
Sunday
Mostly sunny, with a high near 18. Wind chill values as low as -10. Blustery, with a north northwest wind 17 to 20 mph, with gusts as high as 28 mph.
Sunday Night
Partly cloudy, with a low around 4. Blustery, with a north northwest wind 9 to 17 mph, with gusts as high as 24 mph.
Monday
Sunny, with a high near 21.
Monday Night
Partly cloudy, with a low around 8.
Tuesday
Partly sunny, with a high near 39.
Tuesday Night
Mostly cloudy, with a low around 22.
Wednesday
A 30 percent chance of snow before noon. Partly sunny, with a high near 36.
Wednesday Night
Partly cloudy, with a low around 16.
Thursday
Mostly sunny, with a high near 37.
Thursday Night
Mostly clear, with a low around 25.
Friday
Sunny, with a high near 46.
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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:
1:22 am CST Feb 21, 2026
Forecast Valid:
1am CST Feb 21, 2026-6pm CST Feb 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation