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

38°F

3°C

Humidity 83%
Wind Speed S 9 mph
Barometer 29.93 in (1013.7 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 13 Nov 10:53 pm CST
Extended Forecast for

Mason City IA

  • Tonight

    Tonight: Mostly clear, with a low around 35. South wind around 5 mph becoming calm after midnight.

    Low: 35 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 66. Light south southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 66 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 47. South wind around 10 mph becoming west after midnight.

    Low: 47 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 58. Breezy, with a north northwest wind 10 to 16 mph, with gusts as high as 25 mph.

    High: 58 °F

    Partly Sunny
    then Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 28. Northwest wind 6 to 9 mph.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of rain after noon. Partly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny
    then Chance
    Rain

  • Monday Night

    Monday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 35. South wind around 5 mph becoming calm after midnight.
Friday
Sunny, with a high near 66. Light south southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Friday Night
Increasing clouds, with a low around 47. South wind around 10 mph becoming west after midnight.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 58. Breezy, with a north northwest wind 10 to 16 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 28. Northwest wind 6 to 9 mph.
Sunday
Sunny, with a high near 48.
Sunday Night
Mostly clear, with a low around 27.
Monday
A 30 percent chance of rain after noon. Partly sunny, with a high near 45.
Monday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 29.
Tuesday
Partly sunny, with a high near 44.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Mostly cloudy, with a high near 45.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 33.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 44.
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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:
10:17 pm CST Nov 13, 2025
Forecast Valid:
11pm CST Nov 13, 2025-6pm CST Nov 20, 2025
 
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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