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

Ponca City, Ponca City Municipal Airport (KPNC)

Lat: 36.73°NLon: 97.1°WElev: 1007ft.

Fair

88°F

31°C

Humidity 43%
Wind Speed S 10 G 21 mph
Barometer 29.87 in (1009.8 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 14 Aug 1:53 am CDT
Extended Forecast for

Lyman OK

Heat Advisory August 14, 08:00pm until August 16, 08:00pm
Extreme Heat Warning until August 14, 08:00pm
Click here for hazard details and duration
Heat Advisory
Extreme Heat Warning
  •  
    Extreme Heat Warning until August 14, 08:00pm

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • Overnight

    Low: 78 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 103. Heat index values as high as 108. South wind around 15 mph, with gusts as high as 25 mph.

    High: 103 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 77. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 102. Heat index values as high as 105. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 102 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 76. South wind around 10 mph.

    Low: 76 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 100. Southwest wind 5 to 10 mph becoming northwest in the afternoon.

    High: 100 °F

    Hot

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 72. North wind 5 to 10 mph.

    Low: 72 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 94. Northeast wind 5 to 10 mph.

    High: 94 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Clear, with a low around 78. South wind around 15 mph, with gusts as high as 20 mph.
Friday
Sunny and hot, with a high near 103. Heat index values as high as 108. South wind around 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 77. South wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny and hot, with a high near 102. Heat index values as high as 105. South wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 76. South wind around 10 mph.
Sunday
Mostly sunny and hot, with a high near 100. Southwest wind 5 to 10 mph becoming northwest in the afternoon.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 72. North wind 5 to 10 mph.
Monday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 94. Northeast wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 71. Northeast wind around 5 mph.
Tuesday
Mostly sunny, with a high near 99. East wind 5 to 10 mph becoming south in the afternoon.
Tuesday Night
Mostly clear, with a low around 76. South wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Sunny and hot, with a high near 102. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 74. South wind around 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 97. South wind around 10 mph, with gusts as high as 20 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lyman OK
 36.83°N 96.73°W
Last Update:
1:50 am CDT Aug 14, 2026
Forecast Valid:
2am CDT Aug 14, 2026-6pm CDT Aug 20, 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