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Lake Lomond, TX Weather Forecast
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Lake Lomond Weather Forecast
| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
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| Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny |
| Lo: 79°FLo: 26°C | Hi: 104°FHi: 40°C | Lo: 79°FLo: 26°C | Hi: 104°FHi: 40°C | Lo: 79°FLo: 26°C | Hi: 103°FHi: 39°C | Lo: 75°FLo: 24°C | Hi: 103°FHi: 39°C | Lo: 79°FLo: 26°C | Hi: 100°FHi: 38°C | Lo: 79°FLo: 26°C | Hi: 100°FHi: 38°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 627 PM CDT Wed Aug 19 2026 
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Lake Lomond Forecast Discussion
Issued: 113 AM CDT Thu Aug 20 2026
Key Messages
Issued at 113 AM CDT Thu Aug 20 2026- The oppressive heat will continue today, with the approach of a weak surface boundary into far Southeast Oklahoma and Southwest Arkansas contributing to compressional warming and the need to an upgrade to an Extreme Heat Warning for portions of extreme Northeast Texas, McCurtain County Oklahoma, and much of Southwest Arkansas through this evening.
- This weak surface boundary will also focus the potential for isolated t...