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Weekly swim report · August 21, 2026

Oregon swim report

On August 21, 2026 the warmest USGS water reading in Oregon was 77°F at JOHN DAY RIVER AT MCDONALD FERRY, OR; 3 water-related NWS hazards are active.

Warmest water

The 5 warmest of 210 sensors reporting a water temperature in Oregon today. Station names open the official monitoring page.

  1. #177°F 25°C9 hrs ago
  2. #2
    S UMPQUA RIVER AT CANYONVILLE, ORUSGS gauge · 13 ft³/s
    77°F 25°C9 hrs ago
  3. #376°F 24°C9 hrs ago
  4. #4
    UMPQUA RIVER NEAR ELKTON, ORUSGS gauge · 826 ft³/s
    76°F 24°C9 hrs ago
  5. #5
    CALAPOOIA RIVER AT ALBANY, ORUSGS gauge · 9 ft³/s
    76°F 24°C9 hrs ago

Active hazards in Oregon

Alerts cover counties or forecast zones — an alert for an area does not mean every river or beach inside it is affected. Times are local to the issuing office.

  • A Heat Advisory is in effect for Western Magic Valley; Upper Weiser River; Oregon Lower Treasure Valley.

    NWS Boise ID · until Aug 21, 9:00 PM

  • A Heat Advisory is in effect for Wallowa County; Northern Blue Mountains of Oregon; Southern Blue Mountains of Oregon; Ochoco-John Day Highlands; Northwest Blue Mountains; Simcoe Highlands; Lower Slopes of the Eastern Washington Cascades Crest.

    NWS Pendleton OR · until Aug 21, 10:00 PM

  • A Heat Advisory is in effect for Eastern Columbia River Gorge of Oregon; Lower Columbia Basin of Oregon; Grande Ronde Valley; John Day Basin; Foothills of the Northern Blue Mountains of Oregon; Foothills of the Southern Blue Mountains of Oregon; North Central Oregon; Central Oregon; Eastern Columbia River Gorge of Washington; Kittitas Valley; Yakima Valley; Lower Columbia Basin of Washington; Foothills of the Blue Mountains of Washington.

    NWS Pendleton OR · until Aug 21, 10:00 PM

Where to swim in Oregon

The most-reviewed, well-rated water destinations in Oregon — 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.