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The linked gauge for Bighorn Lake reported 70.38 ft at its latest stored observation on Oct 9, 2026, on a falling 30-day trend (-1.76 ft).
Local gage height: 70.38 ft
-1.76 ft net change over past 30 days
Deepest basin sounding across ~17,200 acres
Brisk (50–60°F) · Cold shock risk · Wetsuit recommended
Nearby river temperature: 57.0°F at Bighorn River at bridge, at St. Xavier, MT (17.8 mi away) · Oct 9, 10:30 PM UTC
| Observation Date | Gage height (ft) | 24h Change | Approval Status |
|---|---|---|---|
| Tue, Sep 29, 2026 | 70.38 | -0.69 ft | Provisional |
| Mon, Sep 28, 2026 | 71.07 | -0.33 ft | Provisional |
| Sun, Sep 27, 2026 | 71.40 | 0.00 ft | Provisional |
| Sat, Sep 26, 2026 | 71.40 | 0.00 ft | Provisional |
| Fri, Sep 25, 2026 | 71.40 | 0.00 ft | Provisional |
| Thu, Sep 24, 2026 | 71.40 | 0.00 ft | Provisional |
| Wed, Sep 23, 2026 | 71.40 | 0.00 ft | Provisional |
| Tue, Sep 22, 2026 | 71.40 | -0.54 ft | Provisional |
| Mon, Sep 21, 2026 | 71.94 | -0.26 ft | Provisional |
| Sun, Sep 20, 2026 | 72.20 | 0.00 ft | Provisional |
| Sat, Sep 19, 2026 | 72.20 | 0.00 ft | Provisional |
| Fri, Sep 18, 2026 | 72.20 | +0.01 ft | Provisional |
| Thu, Sep 17, 2026 | 72.19 | +0.05 ft | Provisional |
| Wed, Sep 16, 2026 | 72.14 | — | Provisional |
Direct in-situ sensor data is required to compute numeric suitability.
Water temperature is not available from a verified source for this lake. No swimming score is shown without it.