June-2-2026_Lake-Data

Flathead Lake reached full pool. Regional precipitation over the weekend filled the reservoir and will keep inflows elevated in the near term. SKQ project outflows and the Flathead Lake elevation are dependent on many variables including lake inflows, weather, the...

May-26-2026_Lake-Data

Flathead Lake is within its top foot of elevation and will continue to fill to reach full pool. Forecasted regional precipitation will keep inflows elevated for the next few weeks. SKQ project outflows and the Flathead Lake elevation are dependent on many variables...

Mar-30-2026_Lake-Data

Warm, wet weather in late March significantly increased inflows into the project. The lake has most likely reached its lowest elevation and will hold or slowly fill throughout April. Some of the streamflow forecasts show an early runoff and refill trajectory so any...

Feb-2-2026_Lake-Data

January was incredibly dry in the basin and snowpack in the Flathead is low. However, there are still snow building months ahead. Both weather and streamflows are highly uncertain. A warm and rainy event can rapidly increase streamflows in the spring, and similarly a...

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...