Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Current conditions at

Ardmore, Ardmore Downtown Executive Airport (K1F0)

Lat: 34.15°NLon: 97.12°WElev: 843ft.

Overcast

58°F

14°C

Humidity 96%
Wind Speed NE 10 mph
Barometer 30.10 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 20 May 2:35 am CDT
Extended Forecast for

Cornish OK

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms before 4am.  Patchy fog.  Otherwise, cloudy, with a low around 56. North northeast wind around 8 mph.

    Low: 56 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Wednesday

    Wednesday: A slight chance of showers between 7am and 10am.  Mostly cloudy, with a high near 74. North northeast wind around 8 mph.  Chance of precipitation is 20%.

    High: 74 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 61. East northeast wind 5 to 7 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm.  High near 72. East northeast wind around 7 mph becoming southeast in the afternoon.  Chance of precipitation is 80%.

    High: 72 °F

    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms, mainly before 1am.  Mostly cloudy, with a low around 61. East southeast wind 3 to 6 mph.

    Low: 61 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 83.

    High: 83 °F

    Partly Sunny

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm after 10pm.  Partly cloudy, with a low around 63. Chance of precipitation is 70%.

    Low: 63 °F

    T-storms
    Likely then
    Showers
    Likely

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm.  Partly sunny, with a high near 82. Chance of precipitation is 60%.

    High: 82 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly before 1am.  Mostly cloudy, with a low around 62. Chance of precipitation is 60%.

    Low: 62 °F

    T-storms
    Likely

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms before 4am. Patchy fog. Otherwise, cloudy, with a low around 56. North northeast wind around 8 mph.
Wednesday
A slight chance of showers between 7am and 10am. Mostly cloudy, with a high near 74. North northeast wind around 8 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 61. East northeast wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and possibly a thunderstorm. High near 72. East northeast wind around 7 mph becoming southeast in the afternoon. Chance of precipitation is 80%.
Thursday Night
A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 61. East southeast wind 3 to 6 mph.
Friday
Partly sunny, with a high near 83.
Friday Night
Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm after 10pm. Partly cloudy, with a low around 63. Chance of precipitation is 70%.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 80. Chance of precipitation is 40%.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Memorial Day
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Cornish OK
 34.17°N 97.63°W
1:26 am CDT May 20, 2026
2am CDT May 20, 2026-6pm CDT May 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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