Weekly swim report · August 21, 2026
Nevada swim report
On August 21, 2026 the warmest USGS water reading in Nevada was 90°F at BIG WARM SPGS NR DUCKWATER, NV; 3 water-related NWS hazards are active.
Warmest water
The 5 warmest of 13 sensors reporting a water temperature in Nevada today. Station names open the official monitoring page.
- #1BIG WARM SPGS NR DUCKWATER, NVUSGS gauge · 13 ft³/s90°F 32°C8 hrs ago
- #2WALKER LAKE 4 NORTH NDOWUSGS gauge76°F 24°C9 hrs ago
- #3TRUCKEE RV NR NIXON, NVUSGS gauge · 172 ft³/s74°F 23°C9 hrs ago
- #4WALKER LAKE 3 CENTER NDOWUSGS gauge74°F 23°C9 hrs ago
- #5TRUCKEE RV BLW DERBY DAM NR WADSWORTH, NVUSGS gauge · 182 ft³/s74°F 23°C8 hrs ago
Active hazards in Nevada
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.
- CautionExtreme Heat Warning
An Extreme Heat Warning is in effect for Hualapai Mountains; Eastern Mojave Desert, Including the Mojave National Preserve; Morongo Basin; Cadiz Basin; Northeast Clark County; Western Clark and Southern Nye County; Southern Clark County.
NWS Las Vegas NV · until Aug 21, 8:00 PM
- CautionExtreme Heat Warning
An Extreme Heat Warning is in effect for Lake Havasu and Fort Mohave; Lake Mead - AZ side; Lake Mohave - AZ side; Northwest Deserts; Death Valley National Park; San Bernardino County-Upper Colorado River Valley; Las Vegas Valley; Lake Mead - NV side; Lake Mohave - NV side.
NWS Las Vegas NV · until Aug 23, 8:00 PM
- CautionFlood Advisory
A Flood Advisory is in effect for White Pine, NV.
NWS Elko NV · until Aug 21, 4:30 PM
Where to swim in Nevada
The most-reviewed, well-rated water destinations in Nevada — check each one’s live conditions before you go.
4.5(68,634)Mandalay Bay Beach
Elegant casino hotel with an 11-acre beach/pool complex, plus live shows & destination dining.
4.6(18,312)Lake Mead National Recreation Area
1.5 million-acre park with visitor center, offering water activities, shaded picnic areas & trails.
4.8(8,811)Sand Harbor State Park
Popular Lake Tahoe site for swimming, boating & seasonal open-air entertainment with mountain views.
4.7(2,449)Lake of Dreams
In-the-round show at Wynn featuring dreamlike atmosphere, aquatic ballet & gravity-defying stunts.
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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.

