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

Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Hazardous Weather Conditions

Current conditions at

Norman / Max Westheimer (KOUN)

Lat: 35.24°NLon: 97.47°WElev: 1182ft.

Fair

85°F

29°C

Humidity 52%
Wind Speed SE 14 mph
Barometer 29.84 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 13 Aug 1:35 am CDT
Extended Forecast for

Slaughterville OK

Heat Advisory August 13, 01:45am until August 14, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 13, 01:45am until August 14, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Overnight

    Low: 79 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 102. Heat index values as high as 105. South southwest wind 15 to 17 mph, with gusts as high as 26 mph.

    High: 102 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 78. South wind 13 to 16 mph, with gusts as high as 24 mph.

    Low: 78 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 101. Heat index values as high as 104. South southwest wind 14 to 16 mph, with gusts as high as 24 mph.

    High: 101 °F

    Hot

  • Friday Night

    Friday Night: Clear, with a low around 77. South wind 10 to 15 mph, with gusts as high as 23 mph.

    Low: 77 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 100.

    High: 100 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 101.

    High: 101 °F

    Hot

Detailed Forecast

Overnight
Clear, with a low around 79. South wind 9 to 13 mph, with gusts as high as 20 mph.
Thursday
Sunny and hot, with a high near 102. Heat index values as high as 105. South southwest wind 15 to 17 mph, with gusts as high as 26 mph.
Thursday Night
Clear, with a low around 78. South wind 13 to 16 mph, with gusts as high as 24 mph.
Friday
Sunny and hot, with a high near 101. Heat index values as high as 104. South southwest wind 14 to 16 mph, with gusts as high as 24 mph.
Friday Night
Clear, with a low around 77. South wind 10 to 15 mph, with gusts as high as 23 mph.
Saturday
Sunny and hot, with a high near 100.
Saturday Night
Mostly clear, with a low around 77.
Sunday
Sunny and hot, with a high near 101.
Sunday Night
Mostly clear, with a low around 75.
Monday
Sunny and hot, with a high near 102.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Sunny and hot, with a high near 102.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
Sunny and hot, with a high near 101.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Slaughterville OK
 35.1°N 97.29°W
Last Update:
1:27 am CDT Aug 13, 2026
Forecast Valid:
1am CDT Aug 13, 2026-6pm CDT Aug 19, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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