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Guymon Lake Weather Forecast
| OVERNIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
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| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of Showers | Partly Cloudy | Sunny | Clear | Sunny | Clear | Sunny |
| Lo: 71°FLo: 22°C | Hi: 80°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 75°FHi: 24°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 81°FHi: 27°C |
| POP: 20% | POP: 100% | POP: 30% | POP: 30% | POP: 40% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 126 AM CDT Fri Oct 02 2026 
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Issued: 1140 PM CDT Thu Oct 1 2026
Key Messages
Issued at 1139 PM CDT Thu Oct 1 2026- A notable pattern shift takes place Friday with chances for showers and thunderstorms through the weekend. Mostly dry and cooler, seasonal weather is forecast by next Monday.
- Showers and thunderstorms will result in up to 1 inch of rainfall across the Mid-South through the weekend.
- The coolest temperatures will arrive in the Mid-South by Tuesday. Low temperatures will be in the upper 40s to middle 50s.
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