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Hazardous Weather Conditions

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Thunderstorm Heavy Rain Fog/Mist

64°F

18°C

Humidity 96%
Wind Speed SE 13 G 22 mph
Barometer 29.86 in (1009.7 mb)
Dewpoint 63°F (17°C)
Visibility 1.50 mi
Last update 20 Jun 6:53 am CDT
Extended Forecast for

Rockwell IA

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

  • Today

    Today: Showers and thunderstorms, mainly before 8am. High near 91. Breezy, with an east wind 8 to 13 mph becoming south 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Breezy.
    T-storms then
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 74. Windy, with a south southwest wind 17 to 22 mph, with gusts as high as 32 mph.

    Low: 74 °F

    Mostly Clear
    and Windy

  • Saturday

    Saturday: Sunny, with a high near 94. Heat index values as high as 103. Windy, with a south southwest wind 21 to 26 mph, with gusts as high as 36 mph.

    High: 94 °F

    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 74. Windy, with a south southwest wind 18 to 21 mph, with gusts as high as 31 mph.

    Low: 74 °F

    Mostly Clear
    and Windy

  • Sunday

    Sunday: Sunny, with a high near 93. Windy, with a south wind 18 to 26 mph, with gusts as high as 36 mph.

    High: 93 °F

    Sunny and
    Windy

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly clear, with a low around 72. Windy. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Chance
    T-storms and
    Windy

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 87. Chance of precipitation is 70%.

    High: 87 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 62. Chance of precipitation is 90%.

    Low: 62 °F

    Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 79. Chance of precipitation is 80%.

    High: 79 °F

    Showers

Detailed Forecast

Today
Showers and thunderstorms, mainly before 8am. High near 91. Breezy, with an east wind 8 to 13 mph becoming south 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Mostly clear, with a low around 74. Windy, with a south southwest wind 17 to 22 mph, with gusts as high as 32 mph.
Saturday
Sunny, with a high near 94. Heat index values as high as 103. Windy, with a south southwest wind 21 to 26 mph, with gusts as high as 36 mph.
Saturday Night
Mostly clear, with a low around 74. Windy, with a south southwest wind 18 to 21 mph, with gusts as high as 31 mph.
Sunday
Sunny, with a high near 93. Windy, with a south wind 18 to 26 mph, with gusts as high as 36 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly clear, with a low around 72. Windy. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 87. Chance of precipitation is 70%.
Monday Night
Showers and possibly a thunderstorm. Low around 62. Chance of precipitation is 90%.
Tuesday
Showers and possibly a thunderstorm. High near 79. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 65. Chance of precipitation is 90%.
Wednesday
Showers and possibly a thunderstorm. High near 83. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 65. Chance of precipitation is 80%.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 81. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Rockwell IA
 42.95°N 93.19°W
Last Update:
6:42 am CDT Jun 20, 2025
Forecast Valid:
6am CDT Jun 20, 2025-6pm CDT Jun 26, 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