Air Quality Concerns; Fire Weather; Extreme Heat; Severe Thunderstorms and Flash Flooding

Wildfire smoke continues to result in poor air quality from the Upper Midwest into the Northeast. Dangerous heat and fire weather concerns for portions of the Four Corners region into the central Great Basin and Rockies. Heavy rainfall and flash flooding possible for the Southeast through today. Strong to severe thunderstorms for the Southern Plains with severe wind gusts and large hail possible. Read More >

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

A Few Clouds

75°F

24°C

Humidity 55%
Wind Speed Vrbl 3 mph
Barometer 30.15 in (1020.0 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 4 Aug 1:53 pm CDT
Extended Forecast for

Rockwell IASimilar City Names

  • This Afternoon

    This Afternoon: Areas of smoke. Mostly sunny, with a high near 77. South southeast wind around 8 mph.

    High: 77 °F

    Areas Smoke

  • Tonight

    Tonight: Partly cloudy, with a low around 58. East southeast wind 3 to 6 mph.

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79. Light southeast wind becoming south southeast 5 to 9 mph in the morning.

    High: 79 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63. Southeast wind around 7 mph.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 83. South southeast wind 6 to 11 mph.

    High: 83 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am.  Partly cloudy, with a low around 67. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Areas of smoke. Mostly sunny, with a high near 77. South southeast wind around 8 mph.
Tonight
Partly cloudy, with a low around 58. East southeast wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 79. Light southeast wind becoming south southeast 5 to 9 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 63. Southeast wind around 7 mph.
Wednesday
Partly sunny, with a high near 83. South southeast wind 6 to 11 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 67. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly sunny, with a high near 86.
Thursday Night
Partly cloudy, with a low around 70.
Friday
Mostly sunny, with a high near 87.
Friday Night
Partly cloudy, with a low around 70.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Saturday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Sunday
A 30 percent chance of showers. Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Rockwell IASimilar City Names
 42.97°N 93.19°W
12:25 pm CDT Aug 4, 2025
2pm CDT Aug 4, 2025-6pm CDT Aug 10, 2025
 
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Additional Resources

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Hourly Weather Forecast

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