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

Risks of Severe Thunderstorms and Excessive Rainfall; Fire Weather Concerns and Record Warmth

Severe thunderstorms and flash flooding risks increase across the center of the nation today. Meanwhile, ongoing thunderstorms and flash flooding will linger along the Gulf Coast states through the evening. The Great Basin and Intermountain West, warm temperatures and dry fuels with dry lightning may enhance fire weather potential. In addition, across interior Alaska, Red Flag Warning are posted. Read More >

Hazardous Weather Conditions

Current conditions at

Stillwater, Stillwater Regional Airport (KSWO)

Lat: 36.16°NLon: 97.09°WElev: 984ft.

Partly Cloudy

86°F

30°C

Humidity 57%
Wind Speed SE 12 G 20 mph
Barometer 29.93 in (1012.3 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 20 Jun 2:53 pm CDT
Extended Forecast for

4 Miles SSE Glencoe OK

Heat Advisory June 21, 01:00pm until June 21, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 88. South southeast wind around 9 mph.

    High: 88 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 73. South southeast wind 10 to 13 mph, with gusts as high as 20 mph.

    Low: 73 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, then gradually becoming sunny, with a high near 96. Heat index values as high as 107. South southwest wind 15 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.

    High: 96 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 70. South wind 6 to 15 mph becoming west northwest in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 80%.

    Low: 70 °F

    Showers

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. East northeast wind 7 to 9 mph.

    High: 83 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 66. Chance of precipitation is 80%.

    Low: 66 °F

    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 83. Chance of precipitation is 50%.

    High: 83 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 67. Chance of precipitation is 60%.

    Low: 67 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 84.

    High: 84 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 88. South southeast wind around 9 mph.
Tonight
Increasing clouds, with a low around 73. South southeast wind 10 to 13 mph, with gusts as high as 20 mph.
Sunday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, then gradually becoming sunny, with a high near 96. Heat index values as high as 107. South southwest wind 15 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Sunday Night
Showers and possibly a thunderstorm. Low around 70. South wind 6 to 15 mph becoming west northwest in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 80%.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. East northeast wind 7 to 9 mph.
Monday Night
Showers and possibly a thunderstorm. Low around 66. Chance of precipitation is 80%.
Tuesday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 83. Chance of precipitation is 50%.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 67. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 84.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Thursday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Friday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Glencoe OK
 36.18°N 96.89°W
Last Update:
1:27 pm CDT Jun 20, 2026
Forecast Valid:
3pm CDT Jun 20, 2026-6pm CDT Jun 26, 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