National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Extreme Heat Lingers; Severe Thunderstorms for Portions of the Plains and Southeast; Heavy Rainfall Threats

Gusty winds and heavy rainfall may impact the Big Island of Hawaii as a nearby tropical system passes west of the islands. From the Southwest U.S., Rockies and across the Gulf Coast, heavy rainfall could lead to isolated flash flooding. Severe thunderstorms are expected for areas of the Plains, Gulf Coast and Southeast through Tuesday. Extreme heat lingers for the southern Plains and Southwest. Read More >

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

A Few Clouds

79°F

26°C

Humidity 54%
Wind Speed S 9 mph
Barometer 30.05 in (1016.6 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 24 Aug 2:53 pm CDT
Extended Forecast for

2 Miles WSW Mason City IA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 77. South southwest wind around 6 mph.

    High: 77 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 61. South wind around 5 mph.

    Low: 61 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 83. South southwest wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 83 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63. South southwest wind 6 to 8 mph becoming west after midnight.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 80. Northwest wind 7 to 15 mph, with gusts as high as 24 mph.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 77. South southwest wind around 6 mph.
Tonight
Mostly cloudy, with a low around 61. South wind around 5 mph.
Tuesday
Partly sunny, with a high near 83. South southwest wind 6 to 11 mph, with gusts as high as 18 mph.
Tuesday Night
Partly cloudy, with a low around 63. South southwest wind 6 to 8 mph becoming west after midnight.
Wednesday
Sunny, with a high near 80. Northwest wind 7 to 15 mph, with gusts as high as 24 mph.
Wednesday Night
Clear, with a low around 59.
Thursday
Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 82.
Friday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 63.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Sunday
Partly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Mason City IA
 43.15°N 93.25°W
Last Update:
2:31 pm CDT Aug 24, 2026
Forecast Valid:
3pm CDT Aug 24, 2026-6pm CDT Aug 30, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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