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

Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Hazardous Weather Conditions

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Fair

81°F

27°C

Humidity 54%
Wind Speed N 13 mph
Barometer 30.02 in (1015.4 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 21 Aug 11:53 am CDT
Extended Forecast for

Swaledale IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 83. Northwest wind 5 to 11 mph, with gusts as high as 18 mph.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 60. Northwest wind 5 to 8 mph.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79. North northwest wind 6 to 13 mph, with gusts as high as 20 mph.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54. North northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 77. Calm wind.

    High: 77 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 76.

    High: 76 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers. Partly cloudy, with a low around 59.

    Low: 59 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 83. Northwest wind 5 to 11 mph, with gusts as high as 18 mph.
Tonight
Mostly clear, with a low around 60. Northwest wind 5 to 8 mph.
Saturday
Sunny, with a high near 79. North northwest wind 6 to 13 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 54. North northwest wind 5 to 7 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 77. Calm wind.
Sunday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 56.
Monday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 76.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 59.
Tuesday
Partly sunny, with a high near 82.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 62.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Swaledale IA
 42.97°N 93.31°W
Last Update:
11:32 am CDT Aug 21, 2026
Forecast Valid:
12pm CDT Aug 21, 2026-6pm CDT Aug 27, 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