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Marathon Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
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| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy |
| Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C |
| POP: 20% | POP: 20% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 435 AM CDT Fri Sep 04 2026 
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Issued: 138 PM CDT Fri Sep 4 2026
Key Messages
Updated at 133 PM CDT Fri Sep 4 2026- Near record high temperatures are expected today. Temperatures remain above normal, but decrease very gradually this weekend and into next week.
- Isolated to scattered (10-40% chance) showers/storms are possible each day, mainly west of the Pecos.
Aviation
... (18Z TAFS) Issued at 1204 PM CDT Fri Sep 4 2026
Isolated coverage and 10% to 40% chance of SHRA/TS 18Z-03Z over the Davis Mountains and Lower Trans Pecos south of the terminals and terminals on ...