Severe Weather and Heavy Rain from the Ohio Valley to the Mid-Atlantic; Heat Persists in the South-Central U.S.

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected across portions of the Ohio Valley into southern Mid-Atlantic and Carolinas. Rounds of strong thunderstorms are expected to develop across the northern and central Plains. Sweltering heat remains most persistent across the South-Central Plains and Lower/Middle Mississippi Valley through next week. Read More >

Current conditions at

Stillwater, Stillwater Regional Airport (KSWO)

Lat: 36.16°NLon: 97.09°WElev: 984ft.

Fair

85°F

29°C

Humidity 59%
Wind Speed SE 3 mph
Barometer 29.87 in (1010.1 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 5 Sep 8:53 pm CDT
Extended Forecast for

Stillwater OK

Heat Advisory September 6, 12:00pm until September 6, 07:00pm
Click here for hazard details and duration
Heat Advisory
  • Tonight

    Tonight: Mostly clear, with a low around 76. Southeast wind around 5 mph becoming calm  in the evening.

    Low: 76 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers after 1pm.  Mostly sunny and hot, with a high near 102. Heat index values as high as 106. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 102 °F

    Sunny then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76. Southeast wind around 5 mph becoming calm  in the evening.

    Low: 76 °F

    Mostly Clear

  • Labor Day

    Labor Day: A 20 percent chance of showers after 1pm.  Sunny and hot, with a high near 101. Heat index values as high as 105. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 101 °F

    Sunny then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. South wind 6 to 9 mph.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 102.

    High: 102 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 102.

    High: 102 °F

    Hot

  • Wednesday Night

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

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 76. Southeast wind around 5 mph becoming calm in the evening.
Sunday
A 20 percent chance of showers after 1pm. Mostly sunny and hot, with a high near 102. Heat index values as high as 106. Calm wind becoming southeast around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 76. Southeast wind around 5 mph becoming calm in the evening.
Labor Day
A 20 percent chance of showers after 1pm. Sunny and hot, with a high near 101. Heat index values as high as 105. Calm wind becoming south 5 to 9 mph in the afternoon.
Monday Night
Mostly clear, with a low around 76. South wind 6 to 9 mph.
Tuesday
Sunny and hot, with a high near 102.
Tuesday Night
Mostly clear, with a low around 77.
Wednesday
Sunny and hot, with a high near 102.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
Mostly sunny and hot, with a high near 99.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Friday
Mostly sunny and hot, with a high near 98.
Friday Night
Mostly clear, with a low around 72.
Saturday
Sunny and hot, with a high near 99.
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ABOUT THIS FORECAST

 
Point Forecast:
Stillwater OK
 36.13°N 97.06°W
7:02 pm CDT Sep 5, 2026
9pm CDT Sep 5, 2026-6pm CDT Sep 12, 2026
 
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