
Active alerts and advisories
Conditions that may affect safety or access. Always verify with official sources before heading out.
Lake-specific pages: Weather · Lake level.

Conditions that may affect safety or access. Always verify with official sources before heading out.
Lake-specific pages: Weather · Lake level.
Lake Spokane is managed by Avista Utilities (Long Lake Dam, FERC No. 2545). Lake Insights displays its latest available elevation from U.S. Geological Survey. Published reference elevations are listed below.
Latest gauge observation is older than 72 hours. Figures below are the last available reading, not a confirmed current status.
0.49 feet below full pool
−0.49 ft vs full pool
Spokane County, WA · U.S. Drought Monitor county statistics at the lake location (not a lake-specific designation)
Severe Drought
The largest share of Spokane County, WA is in Severe Drought (D2), an official USDM drought category. These figures describe the surrounding county from the lake location, not the lake itself.
Severity
Weekly trend
Stable
Compared with last week
Official drought (D1–D4)
Yes
100% of the surrounding county is in official drought categories (D1–D4). Dominant category remains Severe Drought.
Typical county impacts (USDM guidance)
U.S. Drought Monitor · map date Oct 6, 2026. Updated weekly. Official drought means U.S. Drought Monitor categories D1–D4 (Moderate through Exceptional). Abnormally Dry (D0) is not counted as official drought. droughtmonitor.unl.eduView drought map for Spokane County, WA
Managing authority
Waterbody / project type
Full pool
General factors for reservoirs like this
These are common influences for this type of lake. They do not identify the cause of a specific current change unless an operator update confirms it.
Rainfall & inflows
Rain and upstream river inflows can raise reservoir levels, especially after storms.
Downstream releases
When an operator releases water through a dam, reservoir storage can fall and downstream flows can rise.
Published reference elevation. Not necessarily a fixed year-round target for every project.
A winter / seasonal pool elevation is published, but Lake Insights does not have verified seasonal operating dates for this lake.
Managing authority: Avista Utilities (Long Lake Dam, FERC No. 2545)
Observation source used by Lake Insights: U.S. Geological Survey
Who manages the lake and who publishes the reading Lake Insights displays can differ. Lake Insights does not invent a source label from the managing authority alone.
Shared background — not lake-specific facts
Lake Insights aggregates water level information from authoritative public sources such as the U.S. Army Corps of Engineers, NOAA, TVA, Bureau of Reclamation, power utilities, and other official lake operators. We preserve historical observations, calculate trends, and present lake conditions in a consistent format. For U.S. Geological Survey, we link to the official source whenever it is available. Lake Insights does not predict future lake levels unless an official forecast has been published by the managing authority.
1,535.51 ft
Clear · 37 mph S
Winter pool
Datum
Current-level source
Flood-risk operations
Some projects store or release water under flood-risk rules when conditions require it.
Water supply
Some reservoirs support municipal, industrial, irrigation, or regional water-supply needs.
Hydropower
Hydropower projects may pass water through turbines when generating electricity.
Seasonal weather
Dry periods, heat, evaporation, and seasonal rainfall patterns can affect storage over weeks and months.
Fair
Best window: 5:25 AM–6:25 AM
Level 9 days ago · Weather 1 hour ago · Fairchild Air Force Base