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

Excessive Rainfall and Tropical Storm in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce considerable, potentially life-threatening, flooding across the lower Mississippi River Valley and central Great Lakes region through tonight. Tropical Storm Arthur will move northeastward along the Texas coast today and then move inland over southwestern Louisiana by tonight. An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana. Read More >

Hazardous Weather Conditions

Current conditions at

Ardmore, Ardmore Downtown Executive Airport (K1F0)

Lat: 34.15°NLon: 97.12°WElev: 843ft.

Fair

89°F

32°C

Humidity 61%
Wind Speed S 12 G 20 mph
Barometer 29.57 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 17 Jun 7:15 pm CDT
Extended Forecast for

Cornish OK

Heat Advisory June 18, 01:00pm until June 18, 08:00pm
Heat Advisory June 17, 07:38pm until June 17, 08:00pm
Click here for hazard details and duration
Heat Advisory
...
  •  
    Heat Advisory June 17, 07:38pm until June 17, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Tonight

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 95. Heat index values as high as 106. Southeast wind 9 to 13 mph, with gusts as high as 20 mph.

    High: 95 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Increasing clouds, with a low around 71. Northeast wind 7 to 11 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 71 °F

    Showers
    Likely

  • Juneteenth

    Juneteenth: Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 88. East wind around 9 mph. Chance of precipitation is 60%.

    High: 88 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. East southeast wind 6 to 9 mph.

    Low: 72 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 92.

    High: 92 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

Detailed Forecast

Tonight
Mostly clear, with a low around 76. South southeast wind 9 to 14 mph, with gusts as high as 21 mph.
Thursday
Mostly sunny, with a high near 95. Heat index values as high as 106. Southeast wind 9 to 13 mph, with gusts as high as 20 mph.
Thursday Night
Showers likely and possibly a thunderstorm. Increasing clouds, with a low around 71. Northeast wind 7 to 11 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Juneteenth
Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 88. East wind around 9 mph. Chance of precipitation is 60%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. East southeast wind 6 to 9 mph.
Saturday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 92.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Sunny and hot, with a high near 98.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly clear, with a low around 76.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Monday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cornish OK
 34.17°N 97.63°W
Last Update:
3:31 pm CDT Jun 17, 2026
Forecast Valid:
7pm CDT Jun 17, 2026-6pm CDT Jun 24, 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