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Sullivan Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
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| Chance of T-Storm | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Partly Cloudy | Partly Cloudy | Partly Cloudy | Chance of Showers | Chance of Showers | Partly Cloudy |
| Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C |
| POP: 50% | POP: 30% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 717 AM EDT Sat Sep 05 2026 
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Issued: 727 AM EDT Sat Sep 5 2026
Key Messages
1) Thunderstorms (some strong to severe) will continue to move southeast across the area over the next several hours, mainly impacting locations on a line from Findlay to Mount Vernon.
2) Seasonable and dry weather is expected for much of the holiday weekend. A brief period of unsettled weather may return by mid- next week.
Discussion
... KEY MESSAGE 1... The latest radar and satellite reveals an organized cluster of strong to severe thunderstorms moving southeast along a narrow instabi...