Bighorn Lake water level today
Reservoir in Montana
3,626.47ft
1,105.35 m · NAVD88
Measured · provisional
24 hours
▲ 0.05 ft
7 days
▲ 0.82 ft
30 days
–
What this means
The lake has risen 0.82 ft in 7 days.
Since 2026, the lowest daily level was 3,624.64 ft (Oct 2026) and the highest 3,626.47 ft (Oct 2026).
Bighorn Lake level chart
Loading chart…
Measured
Normal range for the date (middle 50% of past years)
Records & details
- Highest
- 3,626.47 ft on Oct 21, 2026
- Lowest
- 3,624.64 ft on Oct 7, 2026
- Records from
- 2026 (0 years of daily data)
- Storage
- 865,290 acre-ft
- Inflow
- 1,917 cfs (54.3 m³/s)
- Water temperature
- Not measured here
Boat ramps on Bighorn Lake
1 ramps without a name, on the map: 1
1 ramp listed. Links open the ramp's location on OpenStreetMap. Check the managing agency for closures, especially at low water. All Montana boat ramps →
Campgrounds near Bighorn Lake
- Afterbay Campground
- Grapevine Campground
- Dayboard 9 Campground
- Black Canyon Campground
All 4 campgrounds, reservations and phone numbers →
Federal campgrounds from Recreation.gov; straight-line distance from the lake's gauge or dam.
Weather & wind
This Afternoon70°F · Chance Rain Showers
Wind W 30 mph
Wind W 30 mph
Tonight31°F · Rain Showers then Slight Chance Rain And Snow Showers
Wind WNW 6 to 28 mph
Wind WNW 6 to 28 mph
Saturday49°F · Sunny
Wind E 2 to 8 mph
Wind E 2 to 8 mph
Saturday Night31°F · Mostly Clear
Wind S 2 to 6 mph
Wind S 2 to 6 mph
Sunday48°F · Sunny
Wind NW 2 to 7 mph
Wind NW 2 to 7 mph
Sunday Night32°F · Partly Cloudy
Wind SW 3 mph
Wind SW 3 mph
NOAA National Weather Service forecast for this lake's location, updated 26 min ago.