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

42°F

6°C

Humidity 79%
Wind Speed SE 6 mph
Barometer 29.85 in (1010.3 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 30 Mar 1:53 am CDT
Extended Forecast for

Mason City Municipal Airport IA

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 45. South wind around 7 mph.

    Low: 45 °F

    Mostly Clear

  • Monday

    Monday: Patchy fog between 8am and 9am. Otherwise, increasing clouds, with a high near 79. Breezy, with a south wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 79 °F

    Patchy Fog
    then Partly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly between midnight and 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 47. South southwest wind 8 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Partly sunny, with a steady temperature around 52. Windy, with a north wind 13 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 52 °F

    Chance
    Showers and
    Windy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 28. Windy, with a north wind 14 to 21 mph, with gusts as high as 26 mph.

    Low: 28 °F

    Mostly Cloudy
    and Windy

  • Wednesday

    Wednesday: A chance of rain and snow showers after 1pm. Mostly cloudy, with a high near 42. Breezy. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 42 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow showers before 10pm, then rain showers, snow showers, and freezing rain between 10pm and 4am, then freezing rain after 4am. Low around 29. Breezy. Chance of precipitation is 90%.

    Low: 29 °F

    Wintry Mix
    and Breezy

  • Thursday

    Thursday: Freezing rain before 7am, then rain or freezing rain between 7am and 1pm, then rain showers likely after 1pm. High near 40. Breezy. Chance of precipitation is 80%.

    High: 40 °F

    Rain/Freezing
    Rain and
    Breezy

  • Thursday Night

    Thursday Night: A chance of rain and snow before 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.

    Low: 28 °F

    Chance
    Rain/Snow

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 45. South wind around 7 mph.
Monday
Patchy fog between 8am and 9am. Otherwise, increasing clouds, with a high near 79. Breezy, with a south wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 21 mph.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly between midnight and 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 47. South southwest wind 8 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Partly sunny, with a steady temperature around 52. Windy, with a north wind 13 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Mostly cloudy, with a low around 28. Windy, with a north wind 14 to 21 mph, with gusts as high as 26 mph.
Wednesday
A chance of rain and snow showers after 1pm. Mostly cloudy, with a high near 42. Breezy. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain and snow showers before 10pm, then rain showers, snow showers, and freezing rain between 10pm and 4am, then freezing rain after 4am. Low around 29. Breezy. Chance of precipitation is 90%.
Thursday
Freezing rain before 7am, then rain or freezing rain between 7am and 1pm, then rain showers likely after 1pm. High near 40. Breezy. Chance of precipitation is 80%.
Thursday Night
A chance of rain and snow before 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.
Friday
A 40 percent chance of rain after 1pm. Mostly cloudy, with a high near 46. Breezy.
Friday Night
Rain and snow likely. Some thunder is also possible. Mostly cloudy, with a low around 33. Breezy. Chance of precipitation is 70%.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 45. Windy. Chance of precipitation is 50%.
Saturday Night
Mostly cloudy, with a low around 27. Windy.
Sunday
Mostly sunny, with a high near 47. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Mason City Municipal Airport IA
 43.15°N 93.34°W
Last Update:
1:27 am CDT Mar 30, 2026
Forecast Valid:
2am CDT Mar 30, 2026-6pm CDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation