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The Water Around Us
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Live · updated daily from USGS

Swimmable water near you

2,137 USGS sensors are reporting a live water temperature right now, the newest reading from August 21, 2026 (11 hrs ago).

Clear location
  • Cold · below 60°F · 375
  • Cool · 60–69°F · 595
  • Comfortable · 70–86°F · 938
  • Warm · above 86°F · 229
  • You

A map of the United States with one coloured dot per USGS sensor reporting a live water temperature. The readings are listed below.

Nearest live readings

The closest USGS sensors currently reporting a water temperature, nearest first.

  1. Grand River near Sumner, MOUSGS gauge · Missouri · 1,900 ft³/s
    80°F16 mi11 hrs ago
  2. Missouri River at Napoleon, MOUSGS gauge · Missouri · 48,300 ft³/s
    81°F71 mi11 hrs ago
  3. Little Blue River near Lake City, MOUSGS gauge · Missouri · 44 ft³/s
    77°F82 mi12 hrs ago
  4. Des Moines River at Keosauqua, IAUSGS gauge · Iowa · 11,500 ft³/s
    79°F87 mi12 hrs ago
  5. Missouri River at Randolph, MOUSGS gauge · Missouri
    80°F89 mi12 hrs ago
  6. Little Blue R. at Lees Summit Rd in IndependenceUSGS gauge · Missouri · 15 ft³/s
    76°F89 mi12 hrs ago
  7. Rock Creek at E Wilson Road in Independence, MOUSGS gauge · Missouri · 2 ft³/s
    75°F89 mi12 hrs ago
  8. Des Moines River at Ottumwa, IAUSGS gauge · Iowa · 11,000 ft³/s
    79°F91 mi11 hrs ago

Nearest swimmable spots

Rated, photographed water destinations within 25 miles — pair one with the nearest sensor reading above before you go.

No rated, photographed swim spots within 25 miles of this point yet. The nearest sensor readings above still tell you what the water is doing — or search any river, lake or beach by name.
Search a spot →

About this map

Every pin is a live reading from a USGS real-time monitoring station, captured in a daily snapshot. Colours follow the site’s cold-water-safety thresholds and describe the water at that one sensor — usually a river or stream gauge, not a swim beach — so treat them as a guide to what the water is doing nearby, not a verdict on a specific spot. Readings are provisional and can be revised by the USGS. Your location only sorts this page: the coordinates appear in the address bar (rounded to about a mile) and are not saved to an account or our database.

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.