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Williston Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | VETERANS DAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
 |  | |  | |  |  |  | |  |  | |
| Partly Cloudy | Partly Cloudy | Clearing | Sunny | Partly Cloudy | Mostly Cloudy | Chance of Rain | Rain | Chance of Rain | Chance of Snow | Mostly Cloudy | Partly Sunny |
| Lo: 39°FLo: 4°C | Hi: 55°FHi: 13°C | Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 59°FHi: 15°C | Lo: 41°FLo: 5°C | Hi: 49°FHi: 9°C | Lo: 35°FLo: 2°C | Hi: 41°FHi: 5°C | Lo: 31°FLo: -1°C | Hi: 45°FHi: 7°C |
| POP: 70% | POP: 70% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 617 PM EST Sun Nov 08 2026 
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Issued: 639 PM EST Sun Nov 8 2026
Key Messages
1) Scattered showers across Northwestern Pennsylvania tonight into Monday followed by high pressure to begin the week.
2) Unsettled weather begins mid week with rounds of precipitation followed by lake effect showers and cooler temperatures through the weekend.
Discussion
... KEY MESSAGE 1... Low pressure will move into the James Bay region this afternoon and begin to weaken through the evening. The associated cold front will move northwest to southeast across the region becoming less d...