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Helena Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
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| Chance of T-Storm | Chance of Rain | Partly Sunny | Mostly Cloudy | Showers | Chance of Showers | Mostly Cloudy | Partly Cloudy | Clearing | Mostly Clear | Clearing | Partly Cloudy |
| Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 55°FHi: 13°C | Lo: 39°FLo: 4°C | Hi: 51°FHi: 11°C | Lo: 35°FLo: 2°C | Hi: 55°FHi: 13°C | Lo: 35°FLo: 2°C | Hi: 59°FHi: 15°C | Lo: 39°FLo: 4°C |
| POP: 100% | POP: 50% | POP: 60% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 617 AM EST Wed Nov 04 2026 
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Issued: 634 AM EST Wed Nov 4 2026
Key Messages
1) Rain will spread east across the area through this evening. Many areas can expect a quarter to a half inch of rain with locally higher amounts closer to Central Ohio.
2) Cooler temperatures and showers will arrive behind a front on Friday and linger into Saturday across Northeast Ohio and Northwest Pennsylvania.
Discussion
... KEY MESSAGE 1... Low pressure is located over the Upper Midwest with a cold front extending south through the Mississippi Valley. Radar imagery shows a swath o...