Thomas Lake, WA Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Thomas Lake Weather Forecast
| OVERNIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
| Rain Showers | Rain | Chance of Rain | Partly Sunny | Partly Cloudy | Mostly Sunny | Mostly Clear | Sunny | Clear | Sunny | Clear | Sunny |
| POP: 70% | POP: 100% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1128 PM PDT Sat Sep 12 2026 

Thomas Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Thomas Lake Weather Map
Thomas Lake Quick Facts
Thomas Lake Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 1220 AM PDT Sat Sep 13 2026
Discussion
...Now through Friday...This afternoon an upper- level low pressure system continues to move towards the coastline with rain and showers expected to further develop headed into the evening hours. This precipitation likely persists at times overnight into Sunday morning as the upper low gradually shifts eastward. From this afternoon through Sunday evening most locations from the coast into the Willamette Valley should see around 0.10-0.30 inch of rainfall; measurable amounts but not muc...
Weather World