Hells Gate State Park, ID Weather Forecast
5100 Hells Gate Road, Lewiston, ID 83501Quick Weather Clicks
Settings
Sun & Moon
Hells Gate State Park Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
| Mostly Cloudy | Partly Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Rain Showers | Rain Showers | Chance of Showers | Partly Cloudy | Partly Cloudy | Chance of Showers | Snow Showers |
| Lo: 40°FLo: 4°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 66°FHi: 19°C | Lo: 46°FLo: 8°C | Hi: 60°FHi: 16°C | Lo: 40°FLo: 4°C | Hi: 46°FHi: 8°C | Hi: 50°FHi: 10°C Lo: 30°FLo: -1°C | Hi: 50°FHi: 10°C Lo: 30°FLo: -1°C | Lo: 35°FLo: 2°C | Hi: 55°FHi: 13°C Lo: 35°FLo: 2°C |
| POP: 70% | POP: 90% | POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 209 PM PDT Mon Oct 19 2026 

Hells Gate State Park Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Hells Gate State Park Weather Map
Hells Gate State Park Quick Facts
Hells Gate State Park Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 236 PM PDT Mon Oct 19 2026
Key Messages
- Dry weather continues through Wednesday with mild afternoon temperatures.
- Breezy winds down the Okanogan Valley on Tuesday.
- Cooler weather with increased precipitation chances Thursday night through the weekend.
Discussion
... Monday night through Wednesday: An upper-level low currently off the PNW coast around 130W is currently providing the Inland Northwest with widespread middle and high level clouds as of Monday afternoon. This low will dig southward off the California coast Monday...
Weather World