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

80°F

27°C

Humidity 94%
Wind Speed S 5 mph
Barometer 29.80 in (1007.3 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 27 Jul 12:53 am CDT
Extended Forecast for

Manly IA

Heat Advisory until July 27, 10:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until July 27, 10:00pm

    NOW until 10:00pm Mon

    Heat Advisory

  • Overnight

    Low: 76 °F

    Partly Cloudy

  • Monday

    Monday: Patchy smoke after noon. Increasing clouds, with a high near 94. Heat index values as high as 103. West southwest wind 7 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 94 °F

    Sunny then
    Patchy Smoke

  • Monday Night

    Monday Night: Patchy smoke before midnight. Mostly cloudy, with a low around 68. North northwest wind 5 to 9 mph.

    Low: 68 °F

    Patchy Smoke
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 86. Light and variable wind.

    High: 86 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 76. South southwest wind 5 to 7 mph.
Monday
Patchy smoke after noon. Increasing clouds, with a high near 94. Heat index values as high as 103. West southwest wind 7 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Patchy smoke before midnight. Mostly cloudy, with a low around 68. North northwest wind 5 to 9 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 86. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 65. Calm wind.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 66.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. Chance of precipitation is 70%.
Friday
A 50 percent chance of showers before 1pm. Partly sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 63.
Saturday
Sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 62.
Sunday
Sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Manly IA
 43.28°N 93.22°W
Last Update:
12:46 am CDT Jul 27, 2026
Forecast Valid:
1am CDT Jul 27, 2026-6pm CDT Aug 2, 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