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

Heat Wave and Severe Thunderstorms this Independence Day

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Midwest, and Mid-Atlantic. Numerous temperature records are expected. Clusters of severe thunderstorms will move across parts of the Allegheny Plateau into Mid Atlantic this Independence Day, with potential for widespread damaging winds. Additional severe thunderstorms in the Great Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Stillwater, Stillwater Regional Airport (KSWO)

Lat: 36.16°NLon: 97.09°WElev: 984ft.

Fair

97°F

36°C

Humidity 46%
Wind Speed SE 15 G 20 mph
Barometer 29.88 in (1010.2 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index107°F (42°C)
Last update 4 Jul 4:53 pm CDT
Extended Forecast for

Stillwater OK

Severe T-storm Watch until July 5, 12:00am
Heat Advisory July 4, 05:11pm until July 4, 08:00pm
Click here for hazard details and duration
Severe T-storm Watch
Heat Advisory
  •  
    Severe T-storm Watch until July 5, 12:00am
    Heat Advisory July 4, 05:11pm until July 4, 08:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Independence Day

    High: 100 °F

    Hot

  • Tonight

    Tonight: Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then a chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 72. Southeast wind 5 to 9 mph becoming northeast in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    T-storms
    Likely

  • Sunday

    Sunday: A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny, with a high near 90. Heat index values as high as 97. Light and variable wind becoming northeast 5 to 7 mph in the morning. Chance of precipitation is 30%.

    High: 90 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Partly cloudy, with a low around 69. Northeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 69 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Monday

    Monday: Sunny, with a high near 91. Calm wind becoming east around 6 mph in the afternoon.

    High: 91 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

Detailed Forecast

Independence Day
Sunny and hot, with a high near 100. Heat index values as high as 104. South southeast wind around 9 mph.
Tonight
Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then a chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 72. Southeast wind 5 to 9 mph becoming northeast in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny, with a high near 90. Heat index values as high as 97. Light and variable wind becoming northeast 5 to 7 mph in the morning. Chance of precipitation is 30%.
Sunday Night
A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Partly cloudy, with a low around 69. Northeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 20%.
Monday
Sunny, with a high near 91. Calm wind becoming east around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 70.
Tuesday
Sunny, with a high near 93.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
Sunny and hot, with a high near 99.
Wednesday Night
Mostly clear, with a low around 79.
Thursday
Mostly sunny and hot, with a high near 103.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 79.
Friday
Mostly sunny and hot, with a high near 99.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 78.
Saturday
Mostly sunny and hot, with a high near 100.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Stillwater OK
 36.11°N 97.06°W
Last Update:
4:42 pm CDT Jul 4, 2026
Forecast Valid:
5pm CDT Jul 4, 2026-6pm CDT Jul 11, 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