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

55°F

13°C

Humidity 55%
Wind Speed E 15 mph
Barometer 30.23 in (1023.6 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 21 May 1:53 pm CDT
Extended Forecast for

Mason City IA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 60. East southeast wind around 13 mph, with gusts as high as 20 mph.

    High: 60 °F

    Partly Sunny

  • Tonight

    Tonight: A slight chance of showers between 1am and 3am. Mostly cloudy, with a low around 43. East wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 43 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A slight chance of showers between 7am and 9am. Mostly cloudy, with a high near 66. Breezy, with an east southeast wind 11 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

    High: 66 °F

    Slight Chance
    Showers then
    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: A 50 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 48. Breezy, with a southeast wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 23 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Chance
    Showers and
    Breezy

  • Saturday

    Saturday: Partly sunny, with a high near 72. Light and variable wind becoming west 5 to 7 mph in the morning.

    High: 72 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Memorial Day

    Memorial Day: Sunny, with a high near 83.

    High: 83 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 60. East southeast wind around 13 mph, with gusts as high as 20 mph.
Tonight
A slight chance of showers between 1am and 3am. Mostly cloudy, with a low around 43. East wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Friday
A slight chance of showers between 7am and 9am. Mostly cloudy, with a high near 66. Breezy, with an east southeast wind 11 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Friday Night
A 50 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 48. Breezy, with a southeast wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 23 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Partly sunny, with a high near 72. Light and variable wind becoming west 5 to 7 mph in the morning.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
Sunny, with a high near 79.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 52.
Memorial Day
Sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 83.
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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:
2:46 pm CDT May 21, 2026
Forecast Valid:
2pm CDT May 21, 2026-6pm CDT May 27, 2026
 
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Additional Resources

Radar & Satellite Image

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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