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Hazardous Weather Conditions

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Mostly Cloudy

79°F

26°C

Humidity 90%
Wind Speed SE 14 mph
Barometer 29.73 in (1005.3 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 29 Jun 12:53 am CDT
Extended Forecast for

Mason City Municipal Airport IA

Extreme Heat Warning June 29, 12:00pm until June 30, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Overnight

    Overnight: Partly cloudy, with a low around 75. South wind 11 to 15 mph, with gusts as high as 22 mph.

    Low: 75 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 93. Heat index values as high as 105. Windy, with a south wind 16 to 21 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 93 °F

    Sunny and
    Windy

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms after 2am. Increasing clouds, with a low around 76. Windy, with a south wind 19 to 24 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 20%.

    Low: 76 °F

    Slight Chance
    T-storms and
    Windy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 92. Breezy, with a south southwest wind 11 to 17 mph, with gusts as high as 25 mph.

    High: 92 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Mostly cloudy, with a low around 73. South southwest wind 11 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers before 7am, then a chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 91. Windy. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Chance
    T-storms and
    Breezy then
    Chance
    Showers and
    Windy

  • Wednesday Night

    Wednesday Night: A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 74. Windy. Chance of precipitation is 60%.

    Low: 74 °F

    Showers
    Likely and
    Windy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 90. Breezy.

    High: 90 °F

    Slight Chance
    T-storms and
    Breezy

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 71. Chance of precipitation is 70%.

    Low: 71 °F

    Showers
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 75. South wind 11 to 15 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 93. Heat index values as high as 105. Windy, with a south wind 16 to 21 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 40 mph.
Monday Night
A slight chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms after 2am. Increasing clouds, with a low around 76. Windy, with a south wind 19 to 24 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 92. Breezy, with a south southwest wind 11 to 17 mph, with gusts as high as 25 mph.
Tuesday Night
A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Mostly cloudy, with a low around 73. South southwest wind 11 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers before 7am, then a chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 91. Windy. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 74. Windy. Chance of precipitation is 60%.
Thursday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 90. Breezy.
Thursday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 71. Chance of precipitation is 70%.
Friday
Mostly sunny, with a high near 88.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly clear, with a low around 71.
Independence Day
Mostly sunny, with a high near 87.
Saturday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Sunday
A 30 percent chance of showers. Mostly sunny, with a high near 83.
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Forecast Area
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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 Jun 29, 2026
Forecast Valid:
1am CDT Jun 29, 2026-6pm CDT Jul 5, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation