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McMullen Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
 |  |  | |  |  | |  | | | |  |
| Mostly Clear | Chance of T-Storm | Partly Cloudy | Chance of T-Storm | Chance of Showers | Chance of Showers | Mostly Clear | Sunny | Mostly Clear | Sunny | Partly Cloudy | Clearing |
| Lo: 75°FLo: 24°C | Hi: 104°FHi: 40°C | Lo: 75°FLo: 24°C | Hi: 101°FHi: 38°C | Lo: 75°FLo: 24°C | Hi: 100°FHi: 38°C | Lo: 71°FLo: 22°C | Hi: 100°FHi: 38°C | Lo: 75°FLo: 24°C | Hi: 103°FHi: 39°C | Lo: 75°FLo: 24°C | Hi: 100°FHi: 38°C |
| POP: 20% | POP: 50% | POP: 20% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 109 PM CDT Tue Sep 15 2026 
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Issued: 229 PM CDT Tue Sep 15 2026
Key Messages
Issued at 206 PM CDT Tue Sep 15 2026- Major to Extreme risk of heat-related impacts across a large portion of South Texas today, then lowering to a moderate to major risk the rest of the week.
- Increasing rain chances to a medium to high by Thursday.
- Elevated Fire Weather conditions expected today. A Fire Danger Statement remains in effect. Elevated Fire Weather conditions remain possible through Wednesday, mainly across the Brush Country and Rio Grande Plains.
Discussion
... Issued at 2...