Water report · Flathead Lake
Well above normal for mid September, and filling this week. Above 90% of past September 12s on record.
Updated 8:30 AM UTC, Sep 12
2,893.10 ft puts Flathead Lake in the 90th percentile for September 12, against 26 years of record.
The median for this date is 2,892.56 ft, and half of all September 12s on record fell between 2,892.18 and 2,892.70.
Over the last 7 days, Flathead Lake held between 2,892.89 and 2,893.12 ft, lowest on Sep 7 and highest on Sep 11.
That is 0.19 ft higher than on Sep 6.
Over the last 30 days, Flathead Lake held between 2,892.84 and 2,893.12 ft, lowest on Sep 2 and highest on Sep 11.
That is 0.02 ft higher than on Aug 14.
Over the last 90 days, Flathead Lake held between 2,892.84 and 2,893.15 ft, lowest on Sep 2 and highest on Jul 2.
That is 0.10 ft higher than on Jun 15.
Over the last 12 months, Flathead Lake held between 2,886.35 and 2,893.15 ft, lowest on Mar 20 and highest on Jul 2.
That is 1.68 ft higher than on Sep 12.
No member has posted conditions here lately. The gauge says what the water is doing; an angler who was standing in it says what that felt like.
Post a reportUSGS monitoring location 12371550, Flathead Lake at Polson MT, 13.2 miles from the center of Flathead Lake. Provisional data, subject to revision. Values refresh every 30 minutes. Readings describe the reservoir at the gauge; a shallow arm miles upstream will not match them.
Readings come from USGS monitoring location 12371550, Flathead Lake at Polson MT, 13.2 miles from the center of Flathead Lake. It reports reservoir elevation. Values refresh every 30 minutes and are provisional until the agency reviews them. Readings describe the reservoir at the gauge; a shallow arm miles upstream will not match them.
The gauge is half the picture. The other half is what came out of the water: verified catches, the current record, and the anglers holding it.
See the Flathead Lake record bookFishing here? Keep a free catch log and compete with anglers on this water. Your exact fishing spot stays private.
Log your catch at Flathead LakeAnglers must hold a valid fishing license for the state they're fishing. Always follow your local fishing rules and regulations. Handle fish with speed and care: wet hands, minimal air time, quick release.
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