September-2-2025_Lake-Data

The water supply forecasts and inflows did not change much this week. Project outflows will remain fairly stable. The project drafts to near 2891 ft by October 31 to mitigate the impacts of wave action on shoreline erosion. The range of forecast posts will start up...

August-11-2025_Lake-Data

The water supply forecasts did not change much this week. The streamflow forecast for this week (subject to change) estimates that the lake will remain in the top 12 inches through August 27 and dip slightly below to near 1.2 ft below full pool on Labor Day. SKQ...

July-21-2025_Lake-Data

The streamflow forecast for this week (subject to change) estimates that the lake will remain in the top 12 inches through August 16 and in the top 18 inches for most of August. SKQ project outflows and the Flathead Lake elevation are dependent on many variables...

July-15-2025_Lake-Data

The water supply forecasts did not change much this week. Impacts to the lower river fishery and electricity production from reduced project outflows mid-June to mid-July will be offset in the last half of July and August with the shift of water volume in the lower...

July-7-2025_Lake-Data

Project outflows are still below the usual minimum in-stream flow requirement. The reduction is impactful to the lower river fishery and electricity production. Both impacts will be offset in the last half of July and August with the shift of water volume in the lower...