Weather WorldBristol Reservoir, OR Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Bristol Reservoir Weather Forecast
| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
 |  |  |  | |  |  | | |  |  | |
| Mostly Clear | Sunny | Mostly Cloudy | Smoke | Mostly Cloudy | Clouds | Partly Cloudy | Mostly Clear | Mostly Clear | Clearing | Chance of Showers | Partly Cloudy |
| Lo: 61°FLo: 16°C | Hi: 98°FHi: 37°C | Lo: 64°FLo: 18°C | Hi: 98°FHi: 37°C | Lo: 66°FLo: 19°C | Hi: 93°FHi: 34°C | Lo: 58°FLo: 14°C | Hi: 89°FHi: 32°C Lo: 57°FLo: 14°C | Hi: 89°FHi: 32°C Lo: 57°FLo: 14°C | Hi: 91°FHi: 33°C | Lo: 60°FLo: 16°C | Hi: 91°FHi: 33°C Lo: 60°FLo: 16°C |
| POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 230 PM MDT Wed Aug 19 2026 
Bristol Reservoir Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Bristol Reservoir Weather Map
Bristol Reservoir Quick Facts
Bristol Reservoir Forecast Discussion
Issued: 524 PM MDT Wed Aug 19 2026
Key Messages
- Heat Advisory Thursday afternoon through Friday in the Treasure Valley, western Magic Valley, and Upper Weiser River Valley.
- Increased chance of afternoon and evening showers and thunderstorms over higher terrain Friday through Sunday.
- Above normal temperatures next week with a chance of afternoon thunderstorms each day over the mountains of southwest Idaho.
Aviation
/00Z Thursday through Friday/... Issued 521 PM MDT WED AUG 19 2026 VFR under mostly clear ...