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Lake Altus, OK Weather Forecast
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Lake Altus Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
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| Chance of T-Storm | Sunny | Mostly Clear | Chance of Showers | Mostly Clear | Sunny | Mostly Clear | Sunny | Chance of T-Storm | Sunny | Chance of T-Storm | Chance of T-Storm |
| Lo: 79°FLo: 26°C | Hi: 107°FHi: 42°C | Lo: 79°FLo: 26°C | Hi: 107°FHi: 42°C | Lo: 75°FLo: 24°C | Hi: 105°FHi: 41°C | Lo: 79°FLo: 26°C | Hi: 110°FHi: 43°C | Lo: 79°FLo: 26°C | Hi: 110°FHi: 43°C | Lo: 75°FLo: 24°C | Hi: 100°FHi: 38°C |
| POP: 10% | POP: 20% | POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 535 PM CDT Thu Aug 20 2026 
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Issued: 536 PM CDT Thu Aug 20 2026
Key Messages
Updated at 1225 PM CDT Thu Aug 20 2026- Excessive heating returns to parts of our area today and continues through the weekend, with the most dangerous heating across southcentral Oklahoma.
- Isolated rain/storms are possible each day across parts of our area but are very limited in coverage and unorganized.
Aviation
... (00Z TAFS) Issued at 536 PM CDT Thu Aug 20 2026
While VFR category is expected to prevail, with an east-to-south wind and areas of mid/high c...