Harrison, ID Weather Forecast
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Harrison Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
| Clearing | Mostly Clear | Mostly Sunny | Mostly Cloudy | Partly Sunny | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Rain/Snow |
| Hi: 57°FHi: 14°C | Lo: 30°FLo: -1°C | Hi: 55°FHi: 13°C | Lo: 33°FLo: 1°C | Hi: 57°FHi: 14°C | Lo: 37°FLo: 3°C | Hi: 53°FHi: 12°C | Hi: 50°FHi: 10°C Lo: 35°FLo: 2°C | Hi: 50°FHi: 10°C Lo: 35°FLo: 2°C | Hi: 51°FHi: 11°C | Lo: 30°FLo: -1°C | Hi: 50°FHi: 10°C |
| POP: 20% | POP: 30% | POP: 50% | POP: 50% | POP: 40% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 207 AM PDT Fri Oct 23 2026 

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Issued: 130 AM PDT Fri Oct 23 2026
Key Messages
- Rain will taper off through Friday morning.
- Dry and windy Friday Okanogan Valley/Highlands, Waterville Plateau, and Upper Columbia Basin leading to elevated fire weather conditions, potential for patchy blowing dust, and isolated tree damage.
- Cooler temperatures Friday into next week.
Discussion
... Today: The weeks closed Low will push north as a upper level trough dips in from the Gulf of Alaska. The Low center will pass over Western MT and swing a cold front through the Inland North...
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