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Heat in the Central U.S.; Heavy Rain Possible for South Texas; Monitoring Erin Tropical Impacts

Hot temperatures are forecast over the Plains and into the lower Mississippi River Valley Friday where Heat Advisories have been issued. Heavy rain from a disturbance in the western Gulf could bring flooding to south Texas. Erin could bring tropical storm conditions and heavy rain to Puerto Rico and the USVI this weekend with dangerous surf and rip currents impacting the western Atlantic Basin. Read More >

Hazardous Weather Conditions

Current conditions at

Norman / Max Westheimer (KOUN)

Lat: 35.24°NLon: 97.47°WElev: 1182ft.

Fair

79°F

26°C

Humidity 79%
Wind Speed SE 9 mph
Barometer 29.97 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 15 Aug 2:50 am CDT
Extended Forecast for

Washington OK

Heat Advisory August 15, 12:00pm until August 15, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Mostly clear, with a low around 75. South southeast wind around 8 mph.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 98. Heat index values as high as 104. South wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 98 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 76. South southeast wind 8 to 11 mph.

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 97. Heat index values as high as 102. South wind 9 to 13 mph, with gusts as high as 20 mph.

    High: 97 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 76. South wind 7 to 11 mph.

    Low: 76 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 96.

    High: 96 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 96.

    High: 96 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 75. South southeast wind around 8 mph.
Friday
Sunny and hot, with a high near 98. Heat index values as high as 104. South wind 8 to 13 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 76. South southeast wind 8 to 11 mph.
Saturday
Sunny and hot, with a high near 97. Heat index values as high as 102. South wind 9 to 13 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 76. South wind 7 to 11 mph.
Sunday
Mostly sunny, with a high near 96.
Sunday Night
Partly cloudy, with a low around 75.
Monday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 96.
Monday Night
Partly cloudy, with a low around 75.
Tuesday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 96.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 71.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Washington OK
 35.05°N 97.48°W
Last Update:
12:46 am CDT Aug 15, 2025
Forecast Valid:
3am CDT Aug 15, 2025-6pm CDT Aug 21, 2025
 
Forecast Discussion
 
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Additional Resources

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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