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Simmon Lake, TX Weather Forecast
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Simmon Lake Weather Forecast
| THIS AFTERNOON | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
 |  | | | |  | | | | |  | |
| Mostly Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Partly Cloudy | Chance of T-Storm | Clearing |
| Hi: 99°FHi: 37°C | Lo: 75°FLo: 24°C | Hi: 100°FHi: 38°C | Lo: 71°FLo: 22°C | Hi: 99°FHi: 37°C | Lo: 71°FLo: 22°C | Hi: 99°FHi: 37°C | Lo: 71°FLo: 22°C | Hi: 99°FHi: 37°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C |
| POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1208 PM CDT Wed Sep 16 2026 
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Issued: 123 PM CDT Wed Sep 16 2026
Key Messages
- A Heat Advisory is in effect for portions of North and Central Texas this afternoon. We do not plan to extend it into tomorrow at this time.
- An elevated fire threat will exist primarily west of I-35 today.
- Slightly cooler weather and low rain chances return late Sunday into early next week.
Aviation
... (18Z TAFS) Issued at 123 PM CDT Wed Sep 16 2026
VFR and south flow should prevail through the valid TAF period. The winds will undergo the typical summer-time diurnal trend with southeas...