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

Areas of Extreme Heat and Excessive Rainfall Potential

Dangerous and extreme heat will remain across portions of the central U.S. this week, persisting across the mid to lower Mississippi Valley, Gulf Coast, southern Plains and portions of Texas. A heat wave over the Southwest U.S. will peak this weekend. Heavy to excessive rainfall may produce flash flooding from the Delmarva Peninsula north into the Hudson Valley today and tonight. Read More >

Hazardous Weather Conditions

Current conditions at

Norman / Max Westheimer (KOUN)

Lat: 35.24°NLon: 97.47°WElev: 1182ft.

Fair

99°F

37°C

Humidity 35%
Wind Speed E 10 G 18 mph
Barometer 29.81 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index104°F (40°C)
Last update 28 Jul 5:45 pm CDT
Extended Forecast for

Purcell OK

Heat Advisory July 29, 11:00am until July 29, 09:00pm
Heat Advisory July 28, 06:34pm until July 28, 09:00pm
Click here for hazard details and duration
Heat Advisory
...
  •  
    Heat Advisory July 28, 06:34pm until July 28, 09:00pm

    NOW until 9:00pm Tue

    Heat Advisory

  • Tonight

    Low: 77 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 102. Heat index values as high as 107. South wind 3 to 8 mph.

    High: 102 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77. South southeast wind 6 to 8 mph.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 101. Heat index values as high as 106. South wind 5 to 9 mph.

    High: 101 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 77. South wind around 10 mph.

    Low: 77 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and hot, with a high near 102.

    High: 102 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 77. South southeast wind 5 to 9 mph.
Wednesday
Mostly sunny and hot, with a high near 102. Heat index values as high as 107. South wind 3 to 8 mph.
Wednesday Night
Mostly clear, with a low around 77. South southeast wind 6 to 8 mph.
Thursday
Sunny and hot, with a high near 101. Heat index values as high as 106. South wind 5 to 9 mph.
Thursday Night
Partly cloudy, with a low around 77. South wind around 10 mph.
Friday
Mostly sunny and hot, with a high near 102.
Friday Night
Mostly clear, with a low around 72.
Saturday
Sunny, with a high near 93.
Saturday Night
Clear, with a low around 67.
Sunday
Sunny, with a high near 92.
Sunday Night
Clear, with a low around 67.
Monday
Sunny, with a high near 95.
Monday Night
Mostly clear, with a low around 70.
Tuesday
Sunny and hot, with a high near 97.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Purcell OK
 35.03°N 97.37°W
Last Update:
1:27 pm CDT Jul 28, 2026
Forecast Valid:
6pm CDT Jul 28, 2026-6pm CDT Aug 4, 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