Weather WorldTrinity Lake, ID Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Trinity Lake Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | WEDNESDAY |
 |  |  |  | |  | | | |  |  | |
| Sunny | Mostly Cloudy | Partly Sunny | Rain | Chance of Rain | Mostly Clear | Mostly Sunny | Mostly Cloudy | Chance of Rain | Chance of Rain | Chance of Rain | Chance of Rain |
| Hi: 60°FHi: 16°C | Lo: 37°FLo: 3°C | Hi: 61°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 48°FHi: 9°C | Lo: 30°FLo: -1°C | Hi: 50°FHi: 10°C | Lo: 34°FLo: 1°C | Hi: 50°FHi: 10°C | Hi: 46°FHi: 8°C Lo: 35°FLo: 2°C | Hi: 46°FHi: 8°C Lo: 35°FLo: 2°C | Hi: 45°FHi: 7°C |
| POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 216 AM MST Thu Nov 12 2026 
Trinity Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Trinity Lake Weather Map
Trinity Lake Quick Facts
Trinity Lake Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 300 AM MST Thu Nov 12 2026
Key Messages
- Unseasonably Warm Through Friday: High pressure will maintain dry weather with passing mid-to-high clouds and highs 7 to 12 degrees above normal (50s and 60s), with potential downslope warming pushing portions of the Snake Plain, Magic Valley, and bench areas above the low-to-mid 60s.
- Splitting Storm & Mountain Snow (Friday NightSaturday): A splitting Pacific system will deliver its main moisture push from after midnight Friday through late Saturday afternoon, focusing 0.25" to 0.50"...