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

Severe Thunderstorm and Heavy Rainfall Threat Tonight; Heat Continues on Tuesday Across the Eastern U.S.

Severe weather and flash flooding threats continue across the Central Plains and Midwest into tonight. Very large hail, strong tornadoes and damaging winds are expected. An early season heat wave will continue to challenge temperature records across the eastern U.S. through Wednesday. Read More >

Current conditions at

Ardmore, Ardmore Municipal Airport (KADM)

Lat: 34.3°NLon: 97.02°WElev: 761ft.

Fair

81°F

27°C

Humidity 70%
Wind Speed S 12 G 17 mph
Barometer 29.79 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 18 May 9:50 pm CDT
Extended Forecast for

Sulphur OK

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 77. South wind around 14 mph, with gusts as high as 21 mph.

    Low: 77 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Steady temperature around 74. South wind 7 to 11 mph becoming north in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 74 °F

    T-storms then
    Showers

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm after 10pm. Cloudy, with a low around 59. North northeast wind 6 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    T-storms
    Likely then
    Showers
    Likely

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 74. Northeast wind around 7 mph.

    High: 74 °F

    Chance
    T-storms

  • 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%.

    Low: 61 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 75. Chance of precipitation is 90%.

    High: 75 °F

    Showers
    Likely then
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80.

    High: 80 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 77. South wind around 14 mph, with gusts as high as 21 mph.
Tuesday
Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Steady temperature around 74. South wind 7 to 11 mph becoming north in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm after 10pm. Cloudy, with a low around 59. North northeast wind 6 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 74. Northeast wind around 7 mph.
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%.
Thursday
Showers and possibly a thunderstorm. High near 75. Chance of precipitation is 90%.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Friday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80.
Friday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63. Chance of precipitation is 60%.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 80.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80.
Sunday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Memorial Day
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sulphur OK
 34.52°N 96.98°W
Last Update:
11:41 pm CDT May 18, 2026
Forecast Valid:
12am CDT May 19, 2026-6pm CDT May 25, 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