Washington

40 technical canyons and slot canyon routes

Washington canyoneering often involves waterfalls and wet technical descents. Rainfall and snowmelt strongly influence safety. Proper water-canyon skills are essential.

40
Total Canyons
3
Beginner (1-2)
33
Intermediate (3)
3
Advanced (4+)

3-Day Weather Forecast & Flash Flood Risk for Washington

High Risk Today Based on NOAA regional forecast
Today
2026-04-11
🌧️
49° / 43°
Drizzle
Flash Flood Risk: High
Rain: 77% · Wind: 5 mph
Storms: 6 AM–2 PM
Tomorrow
2026-04-12
52° / 39°
Partly cloudy
Flash Flood Risk: High
Rain: 68% · Wind: 9 mph
Storms: 2 PM–11 PM
Day 3
2026-04-13
🌧️
42° / 33°
Snow showers
Flash Flood Risk: Moderate
Rain: 58% · Wind: 6 mph
Storms: 12 AM–11 PM
Today · Tomorrow · Day 3 — Source: Open-Meteo / NOAA regional forecast data

Check the Washington 3-day weather forecast and regional flash flood outlook before choosing a canyon. This quick overview helps canyoneers compare temperatures, rain chances, storm timing, and NOAA-based flash flood risk across the Washington region.

Use this Washington conditions overview as a regional planning reference for canyoneering, slot canyon trips, and weather-sensitive routes. Always verify local conditions before entering any canyon.

Areas in Washington

All Washington Canyons

Tanner Creek

4C

Wallace River Canyon

4C

Woodward Creek (West Fork)

4A 1 rappels

Artlish River (North Fork)

3C

Cypress Creek

3C 4 rappels · 98ft max

Looper and Boston Creek Canyons

3C 6 rappels · 82ft max

Maisal Creek

3C · 115ft max

Noomas Creek Canyon

3C · 26ft max

Cabin Creek

3C 3 rappels

Camp Creek

3C 3 rappels

Four Mile Creek

3C 9 rappels

Moffett Creek

3C

Munra Creek

3C

Wahkeena Creek

3C 3 rappels

Warren Creek

3C 2 rappels

Canyon Creek - Rawley's Chasm (Whatcom County)

3B 1 rappels

Change Creek

3C 7 rappels

Cortright Creek and Clear Fork of the Cowlitz River

3C 4 rappels

Davis Creek Canyon

3C 5 rappels

Denny Creek Canyon

3B 4 rappels

Devils Creek Canyon

3C 2 rappels

Dog Creek

3C 6 rappels

Duncan Creek

3C 6 rappels

Edith Creek Canyon

3C 3 rappels

French Cabin Creek

3C 1 rappels

Gable Creek

3C 2 rappels

Gorge Creek Canyon

3C 5 rappels

Kachess River (Upper)

3B 2 rappels

Lake Creek

3C 3 rappels

Little Woodward Creek (West Fork)

3C

Rock Creek Canyon (Cowlitz County)

3C

Silver Creek Canyon

3C

Snolqualmie River (South Fork)

3B 4 rappels

Thornton Creek

3C

Unicorn Creek Canyon

3C

West Quartz Creek Canyon

3C

Norrish Creek Canyon

2C

Skwellepil Creek

2C · 49ft max

Canyon Creek (North Cascades)

2B

Nickel Creek

Plan your Washington canyoneering trip with weather forecasts and trip tracking

Open Canyon Explorer

Washington Weather & Flash Flood FAQ

What is the flash flood risk in Washington today?

The Washington regional forecast gives a quick overview of today's flash flood risk using NOAA regional forecast guidance, along with temperature, rain chances, and storm timing.

What is the 3-day weather forecast for Washington?

The Washington 3-day weather forecast shows a simple day-by-day view of temperatures, storm potential, and regional flash flood outlook to help canyoneers compare conditions before a trip.

Is this weather forecast canyon-specific?

No. This is a regional Washington weather and flash flood overview designed as a planning reference. Conditions can vary by drainage, route, and storm pattern.

Why does flash flood risk matter in Washington?

Washington includes many canyons and drainages where rain and storms can quickly change conditions. A regional flash flood outlook helps users understand broader weather risk before selecting a route.

Nearby Regions