Lake Valhalla, WA Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Lake Valhalla Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY | SUNDAY NIGHT | MONDAY |
| Clearing | Mostly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Cloudy | Rain Showers | Chance of T-Storm | Snow Showers | Mostly Cloudy | Mostly Cloudy | Snow Showers | Chance of Showers |
| Hi: 70°FHi: 21°C | Lo: 46°FLo: 8°C | Hi: 70°FHi: 21°C | Lo: 46°FLo: 8°C | Hi: 70°FHi: 21°C | Lo: 50°FLo: 10°C | Hi: 56°FHi: 13°C | Lo: 45°FLo: 7°C | Hi: 60°FHi: 16°C Lo: 49°FLo: 9°C | Hi: 60°FHi: 16°C Lo: 49°FLo: 9°C | Lo: 45°FLo: 7°C | Hi: 60°FHi: 16°C |
| POP: 80% | POP: 90% | POP: 50% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 224 AM PDT Tue Sep 22 2026 

Lake Valhalla Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Lake Valhalla Weather Map
Lake Valhalla Quick Facts
Lake Valhalla Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 1249 AM PDT Tue Sep 22 2026
Key Messages
- Cloud cover increases and winds become breezy out of the west Tuesday into Wednesday.
- Afternoon highs trend cooler Tuesday through the weekend, falling into the upper 50s to mid 60s by Saturday.
- An incoming weather system brings stronger winds and an increasing risk for rain and high mountain snow Thursday through Saturday.
Discussion
... Tuesday through Wednesday: An upper level low pressure system is set to strengthen just off the northern British Columbia coast, brushing the northwe...
Weather World