Lewiston Lake water level today
Reservoir in California
1,900.81ft
579.37 m · NAVD88
Measured · provisional
24 hours
▲ 0.03 ft
7 days
▼ 0.73 ft
30 days
–
What this means
The lake has fallen 0.73 ft in 7 days.
Since 2026, the lowest daily level was 1,900.67 ft (Oct 2026) and the highest 1,901.65 ft (Oct 2026).
Lewiston Lake level chart
Loading chart…
Measured
Normal range for the date (middle 50% of past years)
Records & details
- Highest
- 1,901.65 ft on Oct 10, 2026
- Lowest
- 1,900.67 ft on Oct 19, 2026
- Records from
- 2026 (0 years of daily data)
- Storage
- 13,771 acre-ft
- Inflow
- 650 cfs (18.4 m³/s)
- Water temperature
- Not measured here
Lewiston Dam
- Height
- 91 ft
- Completed
- 1963
- Purposes
- Water Supply
- Owner
- BUREAU OF RECLAMATION
- Normal storage
- 14,660 acre-ft
- Surface area
- 750 acres
National Inventory of Dams (U.S. Army Corps of Engineers). All dam facts →
Boat ramps on Lewiston Lake
1 ramp listed. Links open the ramp's location on OpenStreetMap. Check the managing agency for closures, especially at low water. All California boat ramps →
Campgrounds near Lewiston Lake
- Cooper Gulch Campground
- Ackerman Campground
- East Weaver Group Campground
- Tannery
- Ridgeville Boat-In Campground
All 10 campgrounds, reservations and phone numbers →
Federal campgrounds from Recreation.gov; straight-line distance from the lake's gauge or dam.
Weather & wind
This Afternoon62°F · Sunny
Wind N 2 mph
Wind N 2 mph
Tonight37°F · Clear
Wind NNE 1 to 5 mph
Wind NNE 1 to 5 mph
Saturday70°F · Sunny
Wind N 0 to 5 mph
Wind N 0 to 5 mph
Saturday Night41°F · Mostly Clear
Wind N 1 mph
Wind N 1 mph
Sunday67°F · Sunny
Wind E 2 mph
Wind E 2 mph
Sunday Night39°F · Mostly Clear
Wind NE 2 mph
Wind NE 2 mph
NOAA National Weather Service forecast for this lake's location, updated 26 min ago.