| National Weather Service Forecast for:
Stillwater, OK Issued by: National Weather Service Norman, OK |
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| Updated: Thu, 06-25-2026 2:06am CDT | ||||||||||||||||||||||||||||||||||||||||
| Stillwater, OK | ||||||||||||||||||||||||||||||||||||||||
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| Today |
Patchy fog and showers and thunderstorms likely before 7am, then patchy fog and showers and thunderstorms likely between 7am and 4pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 89. Southeast wind 5 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible. |
| Tonight |
A chance of showers and thunderstorms before 10pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 73. Heat index values as high as 98. South southeast wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible. |
| Friday |
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 91. Heat index values as high as 101. South southwest wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
| Friday Night |
A slight chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 77. Heat index values as high as 101. South wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 20%. |
| Saturday |
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 95. South wind 13 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 20%. |
| Saturday Night |
Mostly clear, with a low around 80. |
| Sunday |
Sunny, with a high near 96. |
| Sunday Night |
Mostly clear, with a low around 80. |
| Monday |
Mostly sunny, with a high near 97. |
| Monday Night |
Mostly clear, with a low around 81. |
| Tuesday |
Sunny, with a high near 98. |
| Tuesday Night |
Mostly clear, with a low around 79. |
| Wednesday |
Sunny, with a high near 99. |
| Wednesday Night |
Mostly clear, with a low around 78. |
Forecast from NOAA-NWS for Stillwater, OK.