MontanaReservoir, 4,925 acres, Beaverhead County
loading
0pm to 0pm
score
00kt
Gusts 00
NE
Blowing from
00°F
High
Dry%
next 6 hours
5,518.00ft
Up 0.98 ft this week
Sailing
CheckingReading the forecast
Kayak and SUP
CheckingReading the forecast
Power boating
CheckingReading the forecast
Fishing
CheckingReading the forecast
Outlook. Monday: SSE wind 5 to 18 kt, gusts to 26 kt, high near 50°F, 78% chance of rain. Tuesday: SSW wind 7 to 10 kt, gusts to 18 kt, high near 42°F.
7-day wind forecastLoads when you scroll here
Radar will load here
Last hour of NOAA MRMS radar, 1 km resolution. Map data © OpenStreetMap contributors, OpenMapTiles, OpenFreeMap.
5,518.00ft above sea level
+0.98 ft in 7 days6.84 ft below the October normal
Reading from Oct 26, 2026. Shaded band: range of October averages on record; dashed line is the typical level.
Clark Canyon Reservoir was at 5,518.00 ft on October 26, rising 0.98 ft over the past week. That is well below normal for October: the typical October level is 5,524.84 ft, so the lake is 6.84 ft below its usual mark.
Clark Canyon Reservoir covers about 4,925 acres in Beaverhead County, Montana and is classed as a reservoir.
Water level on this page comes from the U.S. Army Corps of Engineers reading at Clark Canyon Dam & Reservoir, published through the Corps' CWMS data service. Wind, gusts and rain come from the National Weather Service forecast grid that covers the water.
Mid-sized lakes like this one tend to have shifty, gusty wind near shore and steadier pressure in the middle, which is why gust spread matters as much as average speed. Reservoir levels move with releases and inflow, so ramps and beaches can change week to week. The water level page tracks that day by day.
The go or no-go calls above are a starting point, not a guarantee. Read how we score conditions, and always check local rules and posted warnings before you launch.
The National Weather Service forecast for the lake from October 26: Monday: SSE wind 5 to 18 kt, gusts to 26 kt, high near 50°F, 78% chance of rain. The panel at the top of this page refreshes the current wind, gusts and direction when you open it and turns them into a call for sailing, paddling, power boating and fishing.
Clark Canyon Reservoir was at 5,518.00 ft on October 26, rising 0.98 ft over the past week. That is well below normal for October: the typical October level is 5,524.84 ft, so the lake is 6.84 ft below its usual mark.
Clark Canyon Reservoir covers about 4,925 acres (7.7 square miles) of surface water.
If Clark Canyon is blown out, these are the closest alternatives. Tap through for their conditions.