| National Weather Service Forecast for:
Stillwater, OK Issued by: National Weather Service Norman, OK |
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| Updated: Tue, 09-08-2026 1:27pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Stillwater, OK | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
Sunny, with a high near 103. Heat index values as high as 109. South wind around 10 mph. |
| Tonight |
Clear, with a low around 79. Heat index values as high as 106. South wind around 10 mph. |
| Wednesday |
Sunny, with a high near 103. Heat index values as high as 109. South southwest wind around 9 mph. |
| Wednesday Night |
A chance of showers and thunderstorms between 7pm and 10pm, then showers and thunderstorms. Mostly cloudy, with a low around 71. Heat index values as high as 107. South southeast wind 2 to 9 mph. Chance of precipitation is 90%. |
| Thursday |
Showers and thunderstorms. Mostly cloudy, with a high near 87. East northeast wind around 5 mph. Chance of precipitation is 90%. |
| Thursday Night |
A chance of rain showers. Partly cloudy, with a low around 67. Chance of precipitation is 30%. |
| Friday |
A slight chance of rain showers before 7am. Sunny, with a high near 95. Chance of precipitation is 20%. |
| Friday Night |
A slight chance of showers and thunderstorms after 1am. Clear, with a low around 73. Chance of precipitation is 20%. |
| Saturday |
A chance of showers and thunderstorms. Sunny, with a high near 97. Chance of precipitation is 40%. |
| Saturday Night |
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 40%. |
| Sunday |
A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 95. Chance of precipitation is 20%. |
| Sunday Night |
Mostly clear, with a low around 71. |
| Monday |
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Chance of precipitation is 20%. |
| Monday Night |
A chance of showers and thunderstorms. Mostly clear, with a low around 68. |
Forecast from NOAA-NWS for Stillwater, OK.