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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 (10 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. Cedar River at Waverly, IAUSGS gauge · Iowa · 926 ft³/s
    73°F53 mi11 hrs ago
  2. Cedar River at Vinton, IAUSGS gauge · Iowa · 4,860 ft³/s
    72°F95 mi11 hrs ago
  3. Storm Lake at Storm Lake, IAUSGS gauge · Iowa
    76°F96 mi11 hrs ago
  4. Cedar River at Blairs Ferry Road at Palo, IAUSGS gauge · Iowa · 5,580 ft³/s
    76°F109 mi11 hrs ago
  5. Turkey River at Garber, IAUSGS gauge · Iowa · 881 ft³/s
    73°F111 mi11 hrs ago
  6. Morgan Creek near Covington, IAUSGS gauge · Iowa · 10 ft³/s
    67°F113 mi10 hrs ago
  7. Des Moines River near Pella, IAUSGS gauge · Iowa · 7,320 ft³/s
    77°F122 mi11 hrs ago
  8. MINNEHAHA CREEK AT HIAWATHA AVE. IN MINNEAPOLIS,MNUSGS gauge · Minnesota · 4 ft³/s
    72°F125 mi11 hrs ago

Nearest swimmable spots

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

Clear Lake State Park4.5(757)

Clear Lake State Park

State park · Clear Lake, Iowa
Camping nearby

Park covering 55 acres, with a beach, picnic grounds, a historic lodge, camping & lake activities.

0.1 mi from your location

Clear Lake4.7(40)

Clear Lake

Lake · Iowa
Camping nearby

Popular lake with water sports, boating, fishing, picnic areas & a seasonal swimming beach.

2.2 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.