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-25-2025_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 28 and dip slightly below to near 1.2 ft below full pool on Labor Day. SKQ...

August-17-2025_Lake-Data

Please be aware the Flathead Lake USGS gauge has malfunctioned and the USGS has been notified. The streamflow forecast for this week (subject to change) estimates that the lake will remain in the top 12 inches through August 26 and dip slightly below to near 1.2 ft...

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-29-2025_Lake-Data

Precipitation in July has been nearly 300% of normal. The streamflow forecast for this week (subject to change) estimates that the lake will remain in the top 12 inches through most of August. SKQ project outflows and the Flathead Lake elevation are dependent on many...

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...