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Live · updated daily from USGS

Swimmable water near you

1,324 USGS sensors are reporting a live water temperature right now, the newest reading from August 23, 2026 (8 hrs ago).

Clear location
  • Cold · below 60°F · 218
  • Cool · 60–69°F · 484
  • Comfortable · 70–86°F · 544
  • Warm · above 86°F · 78
  • 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 · 1,250 ft³/s
    81°F143 mi9 hrs ago
  2. Platte River at Louisville, Nebr.USGS gauge · Nebraska · 10,100 ft³/s
    79°F149 mi9 hrs ago
  3. Elkhorn River at Waterloo, Nebr.USGS gauge · Nebraska · 952 ft³/s
    79°F150 mi9 hrs ago
  4. Missouri River at St. Joseph, MOUSGS gauge · Missouri · 41,400 ft³/s
    81°F154 mi9 hrs ago
  5. Platte River near Venice, Nebr.USGS gauge · Nebraska
    77°F154 mi9 hrs ago
  6. Platte River near Leshara, Nebr.USGS gauge · Nebraska · 4,640 ft³/s
    78°F156 mi9 hrs ago
  7. Salt Creek near Ashland, Nebr.USGS gauge · Nebraska
    79°F157 mi9 hrs ago
  8. Missouri River at Napoleon, MOUSGS gauge · Missouri · 47,600 ft³/s
    82°F181 mi9 hrs ago

Nearest swimmable spots

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

Copper Creek Lake Park4.7(625)

Copper Creek Lake Park

Temp Closed
Park · Pleasant Hill, Iowa
Camping nearby

Large park with a lake for fishing & boating, a playground, a picnic/grill pavilion & forest trails.

8.8 mi from your location

Gray's Lake Park4.7(2,296)

Gray's Lake Park

Park · Des Moines, Iowa

167-acre park featuring a 1.9-mi. lighted walking path around a lake with small boat rentals.

14 mi from your location

North River Valley Park4.6(294)

North River Valley Park

City park · Ames, Iowa
Camping nearby

Public park offering rental picnic pavilions, BBQ grills, horseshoes pits & sand volleyball courts.

24 mi from your location

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.