Upper Declaration Trail, ID Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Upper Declaration Trail Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | FRIDAY | FRIDAY NIGHT | SATURDAY |
| Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear | Chance of Showers | Chance of Showers | Chance of Showers |
| Lo: 45°FLo: 7°C | Hi: 73°FHi: 23°C | Lo: 47°FLo: 8°C | Hi: 66°FHi: 19°C | Lo: 46°FLo: 8°C | Hi: 70°FHi: 21°C Lo: 46°FLo: 8°C | Hi: 70°FHi: 21°C Lo: 46°FLo: 8°C | Hi: 77°FHi: 25°C Lo: 46°FLo: 8°C | Hi: 77°FHi: 25°C Lo: 46°FLo: 8°C | Hi: 73°FHi: 23°C | Hi: 70°FHi: 21°C Lo: 46°FLo: 8°C | Hi: 70°FHi: 21°C Lo: 46°FLo: 8°C |
| POP: 20% | POP: 50% | POP: 50% | POP: 50% | POP: 50% | POP: 20% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 328 PM PDT Sat Sep 05 2026 

Upper Declaration Trail Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Upper Declaration Trail Weather Map
Upper Declaration Trail Quick Facts
Upper Declaration Trail Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 631 PM PDT Sat Sep 5 2026
Key Messages
- Cool and showery weather expected through Labor Day Weekend with isolated thunderstorms.
- A warming and drying trend returns around the middle of next week.
Discussion
... This afternoon and tonight through Monday: The Inland NW will see evolving rain chances this period, along with a risk embedded thunderstorms, and a marginal risk (5-14% chance per WPC) for excessive rainfall over Idaho and the far eastern fringes of WA late Sunday into Monday morning. Tonight a broad low, centered ne...
Weather World