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

33°F

1°C

Humidity 61%
Wind Speed S 8 mph
Barometer 30.07 in (1018.3 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 29 Mar 2:53 am CDT
Extended Forecast for

Mason City IA

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 38. South wind around 8 mph.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 68. South wind 9 to 14 mph, with gusts as high as 22 mph.

    High: 68 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42. South wind 5 to 8 mph.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 79. South wind 5 to 14 mph, with gusts as high as 22 mph.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 4am, then a slight chance of showers. Mostly cloudy, with a low around 46. South wind 9 to 13 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 57. Breezy. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Chance
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 29. Blustery.

    Low: 29 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow showers after 1am. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy
    then Chance
    Snow Showers

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 38. South wind around 8 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 68. South wind 9 to 14 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 42. South wind 5 to 8 mph.
Monday
Mostly sunny, with a high near 79. South wind 5 to 14 mph, with gusts as high as 22 mph.
Monday Night
A chance of showers and thunderstorms before 4am, then a slight chance of showers. Mostly cloudy, with a low around 46. South wind 9 to 13 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 57. Breezy. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Mostly cloudy, with a low around 29. Blustery.
Wednesday
Partly sunny, with a high near 48.
Wednesday Night
A 40 percent chance of snow showers after 1am. Mostly cloudy, with a low around 29.
Thursday
A chance of snow showers before 1pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 42. Breezy. Chance of precipitation is 50%.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 32.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 51. Breezy.
Friday Night
Showers likely. Mostly cloudy, with a low around 37. Breezy. Chance of precipitation is 70%.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 49. Windy.
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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:
2:43 am CDT Mar 29, 2026
Forecast Valid:
3am CDT Mar 29, 2026-6pm CDT Apr 4, 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