Weekly swim report · October 20, 2026
Idaho swim report
On October 20, 2026 the warmest USGS water reading in Idaho was 60°F at SNAKE RIVER AT McDUFF RAPIDS AT CHINA GARDEN ID; no water-related NWS hazards are active.
Warmest water
The 5 warmest of 25 sensors reporting a water temperature in Idaho today. Station names open the official monitoring page.
- #1SNAKE RIVER AT McDUFF RAPIDS AT CHINA GARDEN IDUSGS gauge · 12,700 ft³/s60°F 15°C19 hrs ago
- #260°F 15°C19 hrs ago
- #357°F 14°C19 hrs ago
- #4BOISE RIVER AT CALDWELL, IDUSGS gauge · 437 ft³/s57°F 14°C19 hrs ago
- #5SNAKE RIVER AT KING HILL IDUSGS gauge · 7,200 ft³/s57°F 14°C20 hrs ago
Active hazards in Idaho
No water-related NWS hazards are active in Idaho right now. Checked live against the National Weather Service alert feed.
Where to swim in Idaho
The most-reviewed, well-rated water destinations in Idaho — check each one’s live conditions before you go.
4.8(2,728)Idaho Falls River Walk - Greenbelt Trail
Expansive green space on the banks of the river, offering benches, sculptures & views of the falls.
4.6(2,366)Lava Hot Springs Olympic Swimming Complex
The only facility of its kind in the Intermountain West, this swimming complex in Lava Hot Springs features an Olympic-size pool with 50-meter racing lanes, a 10-meter diving tower, four water slides, and an indoor aquatic center open year-round with a poolside rock climbing wall. Located just four blocks from the town's famous natural hot pools, the complex offers clear, warm water reaching 17 feet deep. The indoor center includes a kiddie water playground and hot tub.
4.6(670)Henrys Lake State Park
585-acre sprawling park includes campsites, hiking trails, fishing & boating, plus native wildlife.
4.8(268)Redfish Lake
Scenic site in the mountains offering fishing, canoeing & kayaking, plus hiking, biking & a lodge.
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Conditions are for general information only and can change quickly. Always judge the water in person and follow posted advisories and local guidance before swimming or paddling.