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Third Basin Weather Forecast
| THIS AFTERNOON | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
 |  | |  |  |  | | |  | | | |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Clearing | Mostly Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Partly Cloudy | Partly Cloudy | Chance of T-Storm | Chance of T-Storm |
| Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 80°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C |
| POP: 30% | POP: 40% | POP: 40% | POP: 20% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 228 PM EDT Fri Sep 04 2026 
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Issued: 226 PM EDT Fri Sep 4 2026
Key Messages
- Heat indices around 100 degrees will persist into this evening in areas not fortunate enough to see a brief shower or storm. Heat indices in the mid to upper 90s are possible south of Route 30 Saturday.
- 20-40% chance of thunderstorms continues into tonight with low confidence on location, coverage and timing. Locally damaging winds are possible with the stronger storms.
- A dry pattern takes over Sunday through Tuesday.
Discussion
... Issued at 226 PM EDT Fri Sep 4 2026
Models continue to...