National Weather Service Forecast for:
Stillwater, OK
Issued by: National Weather Service Norman, OK |
| Updated: Sun, 08-23-2026 1:27pm CDT |
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| Stillwater, OK
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Monday
Slight Chance Showers And T-Storms then Mostly Sunny
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Tuesday
Mostly Sunny
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Wednesday
Slight Chance Showers And T-Storms then Mostly Sunny
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Thursday
Mostly Sunny
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Friday
Mostly Sunny
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Saturday
Sunny
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Sunday
Mostly Sunny
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Hi 99 °F |
Hi 99 °F |
Hi 95 °F |
Hi 95 °F |
Hi 98 °F |
Hi 101 °F |
Hi 102 °F |
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Tonight
Partly Cloudy then Slight Chance Showers And T-Storms
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Monday
Night
Mostly Clear
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Tuesday
Night
Partly Cloudy then Slight Chance Showers And T-Storms
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Wednesday
Night
Mostly Clear
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Thursday
Night
Partly Cloudy
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Friday
Night
Mostly Clear
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Saturday
Night
Mostly Clear
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| Lo 75 °F |
Lo 73 °F |
Lo 73 °F |
Lo 71 °F |
Lo 71 °F |
Lo 74 °F |
Lo 77 °F |
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Tonight
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A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 75. Heat index values as high as 105. East southeast wind around 9 mph. Chance of precipitation is 20%. |
Monday
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A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 99. Heat index values as high as 102. East southeast wind around 9 mph. Chance of precipitation is 20%. |
Monday Night
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Mostly clear, with a low around 73. Heat index values as high as 100. Northeast wind 3 to 9 mph. |
Tuesday
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Mostly sunny, with a high near 99. Heat index values as high as 105. East northeast wind 3 to 7 mph. |
Tuesday Night
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A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. Northeast wind around 6 mph. Chance of precipitation is 20%. |
Wednesday
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A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 95. Chance of precipitation is 20%. |
Wednesday Night
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Mostly clear, with a low around 71. |
Thursday
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Mostly sunny, with a high near 95. |
Thursday Night
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Partly cloudy, with a low around 71. |
Friday
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Mostly sunny, with a high near 98. |
Friday Night
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Mostly clear, with a low around 74. |
Saturday
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Sunny, with a high near 101. |
Saturday Night
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Mostly clear, with a low around 77. |
Sunday
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Mostly sunny, with a high near 102. |