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.

Fair

63°F

17°C

Humidity 90%
Wind Speed SE 8 mph
Barometer 29.80 in (1007.8 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 17 May 3:53 am CDT
Extended Forecast for

2 Miles WSW Mason City IA

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms. Cloudy, with a steady temperature around 62. East southeast wind around 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, with a high near 81. Windy, with a south southeast wind 13 to 18 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 36 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    Showers and
    Breezy then
    Chance
    T-storms and
    Windy

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 3am, then a chance of showers and thunderstorms after 3am. Increasing clouds, with a low around 57. Windy, with a south southeast wind 15 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Showers
    Likely and
    Windy

  • Monday

    Monday: A chance of showers and thunderstorms before 10am, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 77. South southwest wind 9 to 13 mph becoming west northwest in the afternoon. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 47. Breezy, with an east wind 9 to 16 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 47 °F

    Heavy Rain
    and Breezy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 60. Windy.

    High: 60 °F

    Mostly Cloudy
    and Windy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 39. Breezy.

    Low: 39 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms. Cloudy, with a steady temperature around 62. East southeast wind around 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A 40 percent chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, with a high near 81. Windy, with a south southeast wind 13 to 18 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 36 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 3am, then a chance of showers and thunderstorms after 3am. Increasing clouds, with a low around 57. Windy, with a south southeast wind 15 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers and thunderstorms before 10am, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 77. South southwest wind 9 to 13 mph becoming west northwest in the afternoon. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 47. Breezy, with an east wind 9 to 16 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Tuesday
Mostly cloudy, with a high near 60. Windy.
Tuesday Night
Partly cloudy, with a low around 39. Breezy.
Wednesday
Mostly sunny, with a high near 60.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
Mostly cloudy, with a low around 45.
Friday
Partly sunny, with a high near 69.
Friday Night
Mostly cloudy, with a low around 49.
Saturday
Partly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Mason City IA
 43.13°N 93.25°W
Last Update:
2:56 am CDT May 17, 2026
Forecast Valid:
4am CDT May 17, 2026-6pm CDT May 23, 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