Live · updated daily from USGS

Swimmable water near you

2,135 USGS sensors are reporting a live water temperature right now, the newest reading from August 21, 2026 (23 hrs ago).

Clear location

Cold · below 60°F · 375
Cool · 60–69°F · 594
Comfortable · 70–86°F · 938
Warm · above 86°F · 228
You

Nearest live readings

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

CHICAGO S & S CANAL AT WESTERN AVE AT CHICAGO, ILUSGS gauge · Illinois
77°F16 mi23 hrs ago
CHICAGO SANITARY AND SHIP CANAL AT ROMEOVILLE, ILUSGS gauge · Illinois
84°F20 mi1 day ago
DES PLAINES RIVER AT ROUTE 53 AT JOLIET, ILUSGS gauge · Illinois · 4,130 ft³/s
75°F27 mi23 hrs ago
DES PLAINES RIVER AT ROCKDALE, ILUSGS gauge · Illinois
77°F29 mi1 day ago
FOX RIVER NEAR MCHENRY, ILUSGS gauge · Illinois
76°F31 mi23 hrs ago
GRAND CALUMET RIVER AT COLUMBIA AV AT HAMMOND, INUSGS gauge · Indiana · 33 ft³/s
71°F32 mi1 day ago
HART DITCH AT DYER, INUSGS gauge · Indiana · 51 ft³/s
73°F37 mi1 day ago
DES PLAINES RIVER AT CHANNAHON, ILUSGS gauge · Illinois
79°F37 mi1 day ago

Nearest swimmable spots

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

4.7(1,286)

Lake Park

City park · Des Plaines, Illinois

Camping nearby

Charming 76-acre park on the banks of Lake Opeka known for its fishing, boating & golf.

7.5 mi from your location

4.6(623)

Volkening Lake

Reservoir · Schaumburg, Illinois

Public recreation area with boat rentals, fishing & picnic spots, along with a concession stand.

10 mi from your location

4.8(1,222)

The Naperville Riverwalk

Park · Naperville, Illinois

Camping nearby

The "Crown Jewel" of Naperville, this 1.75-mile brick pathway follows the West Branch of the DuPage River past fountains, covered bridges, and outdoor sculpture. Built by community volunteers in 1981 for the city's 150th anniversary, highlights include Paddleboat Quarry, the Dandelion Fountain, a 72-bell Millennium Carillon in Moser Tower, and Centennial Beach — a historic swimming area with sand volleyball. Dogs welcome on leash; bikes and scooters are not permitted on the Riverwalk path.

14 mi from your location

4.8(3,871)

Riverwalk Park

Park · Naperville, Illinois

Camping nearby

Classic urban park offering a playground, ice rink, trails, horseshoe pit & a paddle boat pier.

14 mi from your location

4.6(858)

River Park

City park · Chicago, Illinois

Dog-friendly

Park with a water playground, pool & sports facilities plus fishing, wildlife & a canoe launch.

14 mi from your location

4.7(436)

Whalon Lake

Reservoir · Naperville, Illinois

Camping nearbyDog-friendly

Nature park featuring a quarry lake, prairie & wetlands, plus fishing, boating, trails & a dog park.

15 mi from your location

4.8(20,843)

Riverwalk

Tourist attraction · Chicago, Illinois

Dog-friendly

Riverside pedestrian path featuring city views & dining, plus bridges, fishing piers & boat docks.

18 mi from your location

4.6(653)

Fox River Shores Forest Preserve

Nature preserve · Carpentersville, Illinois

Lush riverside nature preserve featuring a boat launch, bike trail & a picnic shelter.

21 mi from your location

4.4(334)

Fox River

River · Illinois

The Fox River is a 202-mile-long tributary of the Illinois River, flowing from southeastern Wisconsin to Ottawa, Illinois in the United States. The Wisconsin section was known as the Pishtaka River in the 19th century. There is another Fox River in Wisconsin that flows through Lake Winnebago into Green Bay.

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.