Weather WorldImnaha Rapids, OR Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Imnaha Rapids Weather Forecast
| TONIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
 |  |  |  |  |  | | | | | | |
| Snow | Rain and Snow | Chance of Rain | Clearing | Clear | Mostly Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Sunny |
| Lo: 36°FLo: 2°C | Hi: 46°FHi: 8°C | Lo: 35°FLo: 2°C | Hi: 58°FHi: 14°C | Lo: 36°FLo: 2°C | Hi: 69°FHi: 21°C | Lo: 40°FLo: 4°C | Hi: 66°FHi: 19°C | Lo: 45°FLo: 7°C | Hi: 79°FHi: 26°C | Lo: 46°FLo: 8°C | Hi: 77°FHi: 25°C |
| POP: 70% | POP: 40% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 442 PM PDT Sun Oct 11 2026 
Imnaha Rapids Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Imnaha Rapids Weather Map
Imnaha Rapids Quick Facts
Imnaha Rapids Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 118 PM MDT Sun Oct 11 2026
Discussion
...
KEY MESSAGES:- Winter storm continues through early Monday, pass level/higher valley travel impacts
- Hard freeze in western Montana valleys early this week
- Ridging with daytime temperatures to above average by late this week
Winter Impacts: An upper-level trough over the Pacific Northwest will continue to push moisture over the entrenched cold air mass across western Montana. This synoptic setup will yield accumulating snow through early Monday, primarily above 4,000 feet. Expect perio...