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American Falls Reservoir

American Falls Reservoir Current Water Temperature and Forecast

On this page, you will find comprehensive information about the water temperature in American Falls Reservoir, including current readings, historical data and trends, monthly averages, as well as weather forecasts and upcoming temperature predictions. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Current Lake Water Temperature Information

53°F

TODAY

53°F

YESTERDAY

51°F

A WEEK AGO

As of today, the minimum water temperature in the American Falls Reservoir ranges from 50°F (10°C) to 54°F (12°C). The water is slightly warmer, but still cool for most people. Swimming in such conditions is possible, but for most people, the time spent in the water should be limited to avoid hypothermia. Even experienced swimmers may feel discomfort if they stay in the water for too long. To improve comfort and safety, a wetsuit can be used.

It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.

Analysis, Historical Data, and Forecast of Water Temperature

Water Temperature Chart for American Falls Reservoir Over the Last 30 Days

Today the water temperature in American Falls Reservoir is lower than the same day in previous years. The water temperature range here in May is from 48°F to 57°F. The water temperature is trending upward, and it has increased both over the past 30 days and the past week.

The forecasted water temperature values for American Falls Reservoir are presented in the table below.

The actual water temperature values near the shore may differ by a few degrees from the stated values. For the development of the forecast, we use our own mathematical model that takes into account the current water temperature changes, historical data, and key weather trends, including wind strength and direction, and air temperature in each specific region.

Daily Water Temperature Chart

DateCurrentAverageForecast
Apr 2951°F46°F
Apr 3051°F46°F
May 151°F53°F
May 251°F53°F
May 353°F53°F
May 453°F53°F
May 553°F53°F
May 653°F53°F
May 753°F53°F
May 853°F53°F
May 953°F53°F
May 1053°F53°F
May 1153°F53°F
May 1253°F53°F
May 1353°F53°F
May 1453°F53°F
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast

Water Temperature Ranges in American Falls Reservoir by Month

January

MinimumAverageMaximum
32°F35°F39°F

February

MinimumAverageMaximum
32°F37°F41°F

March

MinimumAverageMaximum
34°F39°F45°F

April

MinimumAverageMaximum
39°F46°F54°F

May

MinimumAverageMaximum
48°F53°F57°F

June

MinimumAverageMaximum
59°F63°F68°F

July

MinimumAverageMaximum
66°F70°F75°F

August

MinimumAverageMaximum
70°F75°F79°F

September

MinimumAverageMaximum
61°F66°F70°F

October

MinimumAverageMaximum
50°F54°F59°F

November

MinimumAverageMaximum
39°F44°F48°F

December

MinimumAverageMaximum
32°F36°F41°F

Monthly Water Temperature Histogram for American Falls Reservoir

Known Beaches in the Area of American Falls Reservoir?

Rainbow Beach

Rainbow Beach is a 2-stars sandy beach, located in a 6 km (4 miles) radius of American Falls Reservoir. There is parking.

Bronco Beach

Bronco Beach is a 1-stars sandy beach, located in a 6 km (4 miles) radius of American Falls Reservoir.

American Falls Reservoir Weather

MAY 7

43°F / 70°F
mainly clear

rain: 11% | wind: 7 mph

MAY 8

48°F / 77°F
partly cloudy

rain: 5% | wind: 9 mph

MAY 9

52°F / 82°F
partly cloudy

rain: 5% | wind: 9 mph

MAY 10

52°F / 86°F
overcast

rain: 7% | wind: 9 mph

Water Temperature in American Falls Reservoir: General Trends and Swimming Opportunities

American Falls Reservoir is located in the state of Idaho, in the counties of Bannock, Bingham, Power, at an elevation of 4337 feet (1322 meters) above sea level.

American Falls Reservoir is a large lake. Its surface area is 56 sq mi (145 sq km). Lakes of this size can serve as important regional resources, providing drinking water and fish stocks.

The water temperature in American Falls Reservoir varies throughout the year, ranging from 32°F (0°C) in January to 79°F (26°C) in August. The average annual water temperature of the lake is 52°F (11°C). The months when the average water temperature in American Falls Reservoir exceeds 68 degrees Fahrenheit (20°C) are July and August.

The nearest cities ans towns to American Falls Reservoir are: Aberdeen, American Falls, Chubbuck, Tyhee, Pocatello, Fort Hall, Moreland, Blackfoot in Idaho.

Geographical Location of American Falls Reservoir

Frequently Asked Questions About American Falls Reservoir and its Water Temperatures

What is the current water temperature in American Falls Reservoir?

The water temperature today in American Falls Reservoir is 53°F (11.6°C).

What is the water temperature in American Falls Reservoir during the summer months?

The average water temperature in American Falls Reservoir during the summer months is typically between 63°F to 75°F (17°C to 24°C), and it can reach up to 79°F (26°C) at its warmest. However, in some years, the temperature may exceed this range.

What is the water temperature in American Falls Reservoir in May?

The average water temperature in American Falls Reservoir in May ranges from 48°F to 57°F (9°C to 14°C).

What is the water temperature in American Falls Reservoir in September?

The average water temperature in American Falls Reservoir in September is typically between 61°F to 70°F (16°C to 21°C).

Where is American Falls Reservoir located?

American Falls Reservoir is located in the United States in the state of Idaho, in the counties of Bannock, Bingham, Power, at an elevation of 4337 feet (1322 meters) above sea level. The surface area of the lake is 56.003 sq mi (145.05 sq km).

Is it possible to swim in American Falls Reservoir and what are the possibilities for this?

Yes, it's possible to swim in the American Falls Reservoir in Idaho. However, the water is often cold and there are few amenities for swimmers.

What are the coordinates of American Falls Reservoir?

American Falls Reservoir is located at coordinates 42.9200°N 112.7650°W.

Is Lake American Falls Reservoir a popular vacation spot among Americans?

American Falls Reservoir enjoys local popularity among the residents of State Idaho, and nationally, it ranks in the top 10 percent of all lakes in the country.

What species of fish can be found in American Falls Reservoir?

American Falls Reservoir is home to fish species such as Rainbow trout (best caught in Spring, Fall), Brown trout (Spring, Fall), Cutthroat trout (Spring, Fall), Yellow perch (Spring, Winter), Smallmouth bass (Spring, Fall), Largemouth bass (Spring, Fall), Bluegill (Spring, Summer), Channel catfish (Spring, Summer), Gar (Summer).