Gibson Reservoir water level today
Reservoir in Montana
4,611.61ft
1,405.62 m · NGVD29
Measured · provisional
24 hours
▼ 0.33 ft
7 days
▼ 1.97 ft
30 days
–
What this means
The lake has fallen 1.97 ft in 7 days.
Since 2026, the lowest daily level was 4,611.61 ft (Oct 2026) and the highest 4,615.30 ft (Oct 2026).
Gibson Reservoir level chart
Loading chart…
Measured
Normal range for the date (middle 50% of past years)
Records & details
- Highest
- 4,615.30 ft on Oct 7, 2026
- Lowest
- 4,611.61 ft on Oct 21, 2026
- Records from
- 2026 (0 years of daily data)
- Storage
- 5,968 acre-ft
- Inflow
- 203 cfs (5.76 m³/s)
- Water temperature
- Not measured here
Gibson Dam
- Height
- 199 ft
- Completed
- 1929
- Purposes
- Irrigation
- Owner
- BUREAU OF RECLAMATION
- Normal storage
- 99,059 acre-ft
- Surface area
- 1,420 acres
National Inventory of Dams (U.S. Army Corps of Engineers). All dam facts →
Boat ramps on Gibson Reservoir
2 ramps without a name, on the map: 12
2 ramps 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 Gibson Reservoir
- Kenck Cabin
- Van Deriet Campground
Federal campgrounds from Recreation.gov; straight-line distance from the lake's gauge or dam.
Weather & wind
This Afternoon50°F · Rain And Snow
Wind WNW 9 mph
Wind WNW 9 mph
Tonight27°F · Mostly Cloudy
Wind W 2 to 6 mph
Wind W 2 to 6 mph
Saturday48°F · Mostly Sunny
Wind E 5 mph
Wind E 5 mph
Saturday Night27°F · Mostly Cloudy
Wind N 2 mph
Wind N 2 mph
Sunday41°F · Partly Sunny
Wind ENE 1 to 6 mph
Wind ENE 1 to 6 mph
Sunday Night28°F · Mostly Cloudy
Wind E 0 to 5 mph
Wind E 0 to 5 mph
NOAA National Weather Service forecast for this lake's location, updated 27 min ago.