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Weekly swim report · August 21, 2026

Montana swim report

On August 21, 2026 the warmest USGS water reading in Montana was 74°F at Milk River at Nashua MT; no water-related NWS hazards are active.

Warmest water

The 5 warmest of 76 sensors reporting a water temperature in Montana today. Station names open the official monitoring page.

  1. #1
    Milk River at Nashua MTUSGS gauge · 153 ft³/s
    74°F 23°C9 hrs ago
  2. #273°F 23°C9 hrs ago
  3. #3
    Missouri River near Landusky MTUSGS gauge · 5,820 ft³/s
    73°F 23°C8 hrs ago
  4. #4
    Yellowstone River near Sidney MTUSGS gauge · 3,080 ft³/s
    73°F 23°C9 hrs ago
  5. #573°F 23°C9 hrs ago

Active hazards in Montana

No water-related NWS hazards are active in Montana right now. Checked live against the National Weather Service alert feed.

Where to swim in Montana

The most-reviewed, well-rated water destinations in Montana — check each one’s live conditions before you go.

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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.