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Hazardous Weather Conditions

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Fair

79°F

26°C

Humidity 90%
Wind Speed S 13 mph
Barometer 29.66 in (1002.9 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 20 Jun 9:53 pm CDT
Extended Forecast for

6 Miles SSE Mason City IA

Heat Advisory June 21, 12:00pm until June 22, 09:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Mostly clear, with a low around 75. Windy, with a south southwest wind 17 to 22 mph, with gusts as high as 33 mph.

    Low: 75 °F

    Mostly Clear
    and Windy

  • Saturday

    Saturday: Sunny, with a high near 94. Heat index values as high as 102. Windy, with a south southwest wind 22 to 25 mph, with gusts as high as 37 mph.

    High: 94 °F

    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 76. Windy, with a south southwest wind 18 to 21 mph, with gusts as high as 30 mph.

    Low: 76 °F

    Mostly Clear
    and Windy

  • Sunday

    Sunday: Sunny, with a high near 94. Windy, with a south wind 18 to 25 mph, with gusts as high as 36 mph.

    High: 94 °F

    Sunny and
    Windy

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 73. Windy, with a south wind 18 to 22 mph, with gusts as high as 31 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    Mostly Clear
    and Windy
    then Chance
    T-storms and
    Breezy

  • Monday

    Monday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 88. Breezy. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Slight Chance
    T-storms and
    Breezy then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 62. Chance of precipitation is 80%.

    Low: 62 °F

    Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 76. Chance of precipitation is 80%.

    High: 76 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 64. Chance of precipitation is 90%.

    Low: 64 °F

    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 75. Windy, with a south southwest wind 17 to 22 mph, with gusts as high as 33 mph.
Saturday
Sunny, with a high near 94. Heat index values as high as 102. Windy, with a south southwest wind 22 to 25 mph, with gusts as high as 37 mph.
Saturday Night
Mostly clear, with a low around 76. Windy, with a south southwest wind 18 to 21 mph, with gusts as high as 30 mph.
Sunday
Sunny, with a high near 94. Windy, with a south wind 18 to 25 mph, with gusts as high as 36 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 73. Windy, with a south wind 18 to 22 mph, with gusts as high as 31 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 88. Breezy. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and possibly a thunderstorm. Low around 62. Chance of precipitation is 80%.
Tuesday
Showers and possibly a thunderstorm. High near 76. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 64. Chance of precipitation is 90%.
Wednesday
Showers and possibly a thunderstorm. High near 82. Chance of precipitation is 90%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 65. Chance of precipitation is 80%.
Thursday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Friday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSE Mason City IA
 43.08°N 93.13°W
Last Update:
9:58 pm CDT Jun 20, 2025
Forecast Valid:
10pm CDT Jun 20, 2025-6pm CDT Jun 27, 2025
 
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