| NWS Forecast for: Stillwater OK Issued by: National Weather Service Norman, OK Last Update: 6:27 pm CDT Jul 18, 2026 | |
| Tonight: A 20 percent chance of showers and thunderstorms before 10pm. Mostly clear, with a low around 23. South wind 5 to 11 km/h. Sunday: Sunny and hot, with a high near 36. Heat index values as high as 40. South wind 5 to 11 km/h. Sunday Night: Mostly clear, with a low around 24. South wind 5 to 11 km/h. Monday: Sunny and hot, with a high near 38. Heat index values as high as 41. South southwest wind 5 to 13 km/h. Monday Night: Mostly clear, with a low around 26. South wind 8 to 13 km/h. Tuesday: Sunny and hot, with a high near 40. Tuesday Night: Mostly clear, with a low around 25. Wednesday: Sunny and hot, with a high near 37. Wednesday Night: Mostly clear, with a low around 24. Thursday: Mostly sunny and hot, with a high near 38. Thursday Night: Mostly clear, with a low around 26. Friday: Mostly sunny and hot, with a high near 39. Friday Night: Mostly clear, with a low around 26. Saturday: Mostly sunny and hot, with a high near 39. | |
| Stillwater OK 36.11°N 97.06°W | |
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