Water Temperature of the Boiling River Hot Springs in Yellowstone National Park, WY

Current Water Temperature

113.7°F

Measurement Time: Friday, May 15, 2026, 12:15 PM MDT

Temperature Locations

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Local Points of Interest

Gardner River; Mammoth Hot Springs; Cody, WY

Boiling River Hot Springs

Station Name: Boiling River at Mammoth,YNP
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 5,686 feet

Nearest Address:
N Entrance Rd
Yellowstone National Park, WY 82190
Park County

GPS Coordinates: 44.9851333, -110.6893444

Nearby Water Temperatures

Yellowstone River, Corwin Springs, MT (10.1 mi)
Lamar River, Yellowstone National Park, WY (15 mi)
Tantalus Creek, Yellowstone National Park, WY (17.5 mi)
Gibbon River, Yellowstone National Park, WY (25.2 mi)
Firehole River, Yellowstone National Park, WY (26.6 mi)
Madison River, West Yellowstone, MT (29.3 mi)
Madison River, Grayling, MT (32.8 mi)
Firehole River, Yellowstone National Park, WY (36.9 mi)
Madison River, Cameron, MT (44.1 mi)
West Rosebud Creek, Roscoe, MT (51.7 mi)
Madison River, Ennis, MT (54.6 mi)
Madison River, Norris, MT (57.7 mi)
Snake River, Flagg Ranch, WY (61.2 mi)
Jefferson River, Three Forks, MT (76.8 mi)
Snake River, Moran, WY (78 mi)

Weather for Yellowstone National Park, Wyoming

Current Weather

53.2°F

Conditions: Cloudy

Feels Like: 51.6°F

Heat Index: 53.2°F

Humidity: 26%

Wind: W 8.5 mph

Wind Gusts: 9.8 mph

Wind Chill: 51.6°F

Dew Point: 22.7°F

Precipitation: 0 in

Cloud Cover: 77%

Visibility: 6 mi

Air Pressure: 1006 mbar

UV Index: 0.5

Five Day Weather Forecast

Fri
H: 60°F
L: 25°F

Sat
H: 52°F
L: 28°F

Sun
H: 44°F
L: 29°F

Mon
H: 47°F
L: 21°F

Tue
H: 52°F
L: 20°F

Air Quality

AQI: 1 - Good

PM2.5: 2.95 μg/m3

PM10: 4.15 μg/m3

Carbon Monoxide: 135.85 μg/m3
Nitrogen Dioxide: 3.25 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 95 μg/m3

Astronomical

Sunrise: 5:54 AM
Sun Transit: 1:19 PM
Sunset: 8:46 PM
Daylight: 14 hrs 52 mins

Moonrise: 4:44 AM
Moon Transit: 12:12 AM
Moonset: 7:58 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

9:18 PM - 11:48 PM
11:42 AM - 2:12 PM

Minor Periods

7:28 PM - 8:58 PM
4:14 AM - 5:44 AM

Action Rating: 5 out of 5

Winter Weather Advisory issued May 15 at 11:59AM MDT until May 17 at 6:00AM MDT by NWS Great Falls MT

Effective: Fri May 15, 2026, 11:59 AM
Expires: Sat May 16, 2026, 6:00 AM

* WHAT...Snow expected. Total snow accumulations 3 to 7 inches, with higher amounts on high peaks. Winds gusting as high as 40 mph. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...From 5 PM Saturday to 6 AM MDT Sunday. * IMPACTS...Plan on slippery and slushy road conditions and raw back country conditions Saturday evening into Sunday. * ADDITIONAL DETAILS...Snow levels quickly fall Saturday evening after a round of showers and perhaps a couple thunderstorms Saturday afternoon. Those with back country plans should be aware of the forecast raw conditions.

Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. To see a graphical representation of the degree of stress on young livestock please visit our webpage and select Local Programs then Cold Air Advisory for Newborn Livestock.

Friday, May 15, 2026

Weather Forecast

Conditions: Partly Cloudy

High Temperature: 59.7°F

Low Temperature: 25.3°F

Average Temperature: 44.2°F

Average Humidity: 39%

Precipitation: 0 in

Chance of Rain: 0%

Chance of Snow: 0%

Maximum Wind: 15 mph

UV Index: 7.9

Air Quality

AQI: 1 - Good

PM2.5: 2.59 μg/m3

PM10: 4.59 μg/m3

Carbon Monoxide: 124.21 μg/m3
Nitrogen Dioxide: 1.73 μg/m3
Sulphur Dioxide: 1.47 μg/m3
Ozone: 101.44 μg/m3

Astronomical

Sunrise: 5:54 AM
Sun Transit: 1:19 PM
Sunset: 8:46 PM
Daylight: 14 hrs 52 mins

Moonrise: 4:44 AM
Moon Transit: 12:12 AM
Moonset: 7:58 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

9:18 PM - 11:48 PM
11:42 AM - 2:12 PM

Minor Periods

7:28 PM - 8:58 PM
4:14 AM - 5:44 AM

Action Rating: 5 out of 5

Saturday, May 16, 2026

Weather Forecast

Conditions: Patchy rain nearby

High Temperature: 51.6°F

Low Temperature: 28.1°F

Average Temperature: 42.2°F

Average Humidity: 53%

Precipitation: 0.05 in

Chance of Rain: 87%

Chance of Snow: 0%

Maximum Wind: 18.6 mph

UV Index: 5.3

Air Quality

AQI: 1 - Good

PM2.5: 3.31 μg/m3

PM10: 6.21 μg/m3

Carbon Monoxide: 133.17 μg/m3
Nitrogen Dioxide: 2.23 μg/m3
Sulphur Dioxide: 1.34 μg/m3
Ozone: 97.64 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 1:19 PM
Sunset: 8:47 PM
Daylight: 14 hrs 54 mins

Moonrise: 5:15 AM
Moon Transit: 1:11 PM
Moonset: 9:23 PM
Moon Phase: New
Moon Illumination: 2.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:41 AM - 3:11 PM

Minor Periods

8:53 PM - 10:23 PM
4:45 AM - 6:15 AM

Action Rating: 5 out of 5

Sunday, May 17, 2026

Weather Forecast

Conditions: Patchy rain nearby

High Temperature: 44.2°F

Low Temperature: 29.4°F

Average Temperature: 35.8°F

Average Humidity: 74%

Precipitation: 0.19 in

Chance of Rain: 88%

Chance of Snow: 34%

Maximum Wind: 11.6 mph

UV Index: 6.4

Air Quality

AQI: 1 - Good

PM2.5: 2.48 μg/m3

PM10: 3.95 μg/m3

Carbon Monoxide: 129.61 μg/m3
Nitrogen Dioxide: 1.34 μg/m3
Sulphur Dioxide: 1.74 μg/m3
Ozone: 99.52 μg/m3

Astronomical

Sunrise: 5:51 AM
Sun Transit: 1:19 PM
Sunset: 8:48 PM
Daylight: 14 hrs 57 mins

Moonrise: 5:58 AM
Moon Transit: 2:16 PM
Moonset: 10:45 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:46 PM - 4:16 PM

Minor Periods

10:15 PM - 11:45 PM
5:28 AM - 6:58 AM

Action Rating: 4 out of 5

Monday, May 18, 2026

Weather Forecast

Conditions: Patchy rain nearby

High Temperature: 46.7°F

Low Temperature: 20.5°F

Average Temperature: 34.9°F

Average Humidity: 62%

Precipitation: 0.01 in

Chance of Rain: 80%

Chance of Snow: 27%

Maximum Wind: 9.8 mph

UV Index: 7.7

Air Quality

AQI: 1 - Good

PM2.5: 1.95 μg/m3

PM10: 2.27 μg/m3

Carbon Monoxide: 125.4 μg/m3
Nitrogen Dioxide: 1.67 μg/m3
Sulphur Dioxide: 1.19 μg/m3
Ozone: 85.96 μg/m3

Astronomical

Sunrise: 5:50 AM
Sun Transit: 1:19 PM
Sunset: 8:49 PM
Daylight: 14 hrs 59 mins

Moonrise: 6:54 AM
Moon Transit: 3:23 PM
Moonset: 11:53 PM
Moon Phase: New
Moon Illumination: 2.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:53 PM - 5:23 PM

Minor Periods

12:00 AM - 12:00 AM
6:24 AM - 7:54 AM

Action Rating: 3 out of 5

Tuesday, May 19, 2026

Weather Forecast

Conditions: Patchy rain nearby

High Temperature: 51.7°F

Low Temperature: 19.5°F

Average Temperature: 37.3°F

Average Humidity: 58%

Precipitation: 0.1 in

Chance of Rain: 82%

Chance of Snow: 3%

Maximum Wind: 13.4 mph

UV Index: 6.2

Air Quality

AQI: 1 - Good

PM2.5: 1.77 μg/m3

PM10: 1.9 μg/m3

Carbon Monoxide: 128.64 μg/m3
Nitrogen Dioxide: 2.58 μg/m3
Sulphur Dioxide: 0.9 μg/m3
Ozone: 85.15 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 1:19 PM
Sunset: 8:50 PM
Daylight: 15 hrs 1 mins

Moonrise: 8:04 AM
Moon Transit: 4:29 PM
Moonset: 12:53 AM
Moon Phase: Waxing Crescent
Moon Illumination: 7.4%

Best Times for Fishing or Hunting

Major Periods

12:33 AM - 3:03 AM
3:59 PM - 6:29 PM

Minor Periods

7:34 AM - 9:04 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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Water Temperature of the Boiling River Hot Springs in Yellowstone National Park, WY

Current Water Temperature

Temperature Locations

Local Points of Interest

Nearby Water Temperatures

Weather for Yellowstone National Park, Wyoming

Current Weather

Five Day Weather Forecast

Air Quality

Astronomical

Best Times for Fishing or Hunting

Major Periods

Minor Periods

Winter Weather Advisory issued May 15 at 11:59AM MDT until May 17 at 6:00AM MDT by NWS Great Falls MT

Weather Forecast

Air Quality

Astronomical

Best Times for Fishing or Hunting

Major Periods

Minor Periods

Weather Forecast

Air Quality

Astronomical

Best Times for Fishing or Hunting

Major Periods

Minor Periods

Weather Forecast

Air Quality

Astronomical

Best Times for Fishing or Hunting

Major Periods

Minor Periods

Weather Forecast

Air Quality

Astronomical

Best Times for Fishing or Hunting

Major Periods

Minor Periods

Weather Forecast

Air Quality

Astronomical

Best Times for Fishing or Hunting

Major Periods

Minor Periods

Webcams Near Yellowstone National Park, WY

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