LakeLevelIs Flathead Lake low right now?
Flathead Lake was at 2,892.47 ft on October 9, 2026, 0.53 ft below its full pool of 2,893.0 ft. That is 0.79 ft above the typical level for October 9 — higher than in 9 of 10 past years. Over the past week the lake has been falling about 0.04 ft a day.
Flathead Lake on Oct 9 in past years
Daily levels, last two weeks
| Date | Level (ft) | Change | vs full pool |
|---|---|---|---|
| Oct 8 | 2,892.47 | −0.06 | −0.5 |
| Oct 7 | 2,892.53 | −0.03 | −0.5 |
| Oct 6 | 2,892.56 | −0.06 | −0.4 |
| Oct 5 | 2,892.62 | ±0.00 | −0.4 |
| Oct 4 | 2,892.62 | −0.03 | −0.4 |
| Oct 3 | 2,892.65 | +0.03 | −0.3 |
| Oct 2 | 2,892.62 | −0.11 | −0.4 |
| Oct 1 | 2,892.73 | −0.03 | −0.3 |
| Sep 30 | 2,892.76 | +0.01 | −0.2 |
| Sep 29 | 2,892.75 | −0.05 | −0.3 |
| Sep 28 | 2,892.80 | −0.07 | −0.2 |
| Sep 27 | 2,892.87 | −0.01 | −0.1 |
| Sep 26 | 2,892.88 | +0.01 | −0.1 |
| Sep 25 | 2,892.87 | −0.08 | −0.1 |
About Flathead Lake
- Full pool
- 2,893.0 ft (Top of Normal)
- 10-year range
- 2,883.6 ft (April 13, 2020) to 2,893.6 ft (June 24, 2022)
- Operated by
- U.S. Army Corps of Engineers
- Data
- U.S. Army Corps of Engineers — NWDP district, KER
- Datum
- NGVD29
Lakes near Flathead Lake
- Hungry Horse ReservoirMontana · 45 mi 3,543.0 ft −1.2 wkNormal for this time of year
- Thompson Falls LakeMontana · 55 mi 2,396.2 ft −0.1 wkNormal for this time of year
- Gibson ReservoirMontana · 66 mi 4,614.6 ft −2.4 wkNormal for this time of year
- LIBBY LakeMontana · 72 mi 2,444.2 ft +0.1 wkNormal for this time of year
- Noxon LakeMontana · 75 mi 2,329.8 ft −0.1 wkNormal for this time of year
- Pishkun ReservoirMontana · 78 mi 4,346.0 ft ±0.0 wkLower than usual for this time of year
Questions
Is Flathead Lake low right now?
Flathead Lake was at 2,892.47 ft on October 9, 2026, 0.53 ft below its full pool of 2,893.0 ft. That is 0.79 ft above the typical level for October 9 — higher than in 9 of 10 past years. Over the past week the lake has been falling about 0.04 ft a day.
What is full pool for Flathead Lake?
Full pool (Top of Normal) is 2,893.0 ft above sea level, per U.S. Army Corps of Engineers. Levels above it mean the operator is storing flood water; levels below it are normal in late summer and winter drawdowns.
How often is the Flathead Lake level updated?
The operator reports every 15 minutes to an hour. This page refreshes several times a day; the time of the latest reading is shown next to the level.
Where does this data come from?
U.S. Army Corps of Engineers (NWDP district, KER). Readings are provisional and can be revised.