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LakeMonster.com is a BETA data site created to help lake enthusiasts of all kinds by combining the latest satellite imagery, weather data, lake staff information, and community member reports to communicate current lake conditions.
Check the map below for point temperatures. Drought conditions and low water levels are affecting smaller lake temperature accuracy. We are working to resolve the issue. Please help others by submitting your observed temperatures.

Yellowstone Lake , WY
GPS: 44.384, -110.389 Google Map · LakeMonster Map
Views: 650
Favorited: 0
~ 1724 miles away - (343)
Today's Forecast Oct 21, 2021
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Yellowstone Lake's current water temperature is 45°F. Today's forecast is: , with a high around 48°F and a low around 30°F. Winds are out of the SW at 8 mph with gusts of 23 mph.

Current Conditions
45°F
Water estimate as of
Oct 12, 2021
48° 30° F
Air
S 8 - 23 gust
Wind
Temps are estimates of the surface temp acquired throughout the lake. Values are generally within a few degrees, but may be inaccurate due to factors including cloud cover, land interference, water levels, and input data quality/accuracy. If a temp is inaccurate, please contact us. Consider helping us improve our accuracy by creating an account and submitting your observed water temps in the section below.


Community Water Temps
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   Your
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Latest satelite temp: 45°F
45°F
  Warning: Greater than 10% difference.




Forecast as of Oct 21, 2021
gust  
5  
6+  
11+  
16+  
21+
Thursday
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48° 30°
SW 8-23 mph
6
8
10
12
2
4
6
8

Partly cloudy throughout the day.
Friday
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52° 31°
S 7-14 mph
6
8
10
12
2
4
6
8

Partly cloudy throughout the day.
Saturday
image
38° 28°
SW 10-24 mph
6
8
10
12
2
4
6
8

Possible light snow (< 1 in.) overnight.
Sunday
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36° 30°
SSW 8-22 mph
6
8
10
12
2
4
6
8

Possible light snow (< 1 in.) in the morning.
Monday
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50° 30°
S 10-39 mph
6
8
10
12
2
4
6
8

Rain until morning, starting again in the evening.
Tuesday
image
33° 29°
SW 10-29 mph
6
8
10
12
2
4
6
8

Possible light snow (1–2 in.) throughout the day.
Wednesday
image
36° 23°
WSW 15-42 mph
6
8
10
12
2
4
6
8

Possible light snow (1–2 in.) throughout the day.
Thursday
image
35° 32°
WSW 8-21 mph

Possible light rain in the evening and overnight.

Latest Satellite Imagery
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Description
Situated at 7,733 feet (2,357 m) above sea level, Yellowstone Lake is the largest high elevation lake (above 7,000 feet / 2,134 m) in North America. It is roughly 20 miles (32.2 km) long and 14 miles (22.5 km) wide, with 141 miles (227 km) of shoreline and a surface area of 132 square miles (342 km2). Yellowstone Lake freezes over completely every winter in late December or early January, with ice thicknesses varying from a few inches to more than two feet. The lake usually thaws in late May or early June. Yellowstone Lake remains cold year-round, with an average water temperature of 41°F (5°C). Because of the extremely cold water, swimming is not recommended. Survival time is estimated to be only 20 to 30 minutes in water at this temperature. Yellowstone Lake has the largest population of wild cutthroat trout in North America. How a Pacific Ocean fish was trapped in a lake that drains to the Atlantic puzzled experts for years. Scientists now believe that Yellowstone Lake once drained to the Pacific Ocean via Outlet Canyon and the Snake River, and that fish swam across the Continental Divide at Two Ocean Pass. Lake trout, an illegally introduced, exotic species, is now found in Yellowstone Lake and threatens the existence of the native cutthroat trout. The lake currently drains north from its only outlet, the Yellowstone River, at Fishing Bridge. The elevation of the lake's north end does not drop substantially until LeHardy Rapids, so many consider those rapids to be the actual northern boundary of the lake.

Related sites:
www.nps.gov

Attributes
Acres 87,046
Base Elevation 7746 Ft

Pressure
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Water: 42° H: 48° L: 29°
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