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

Current Water Temperature

32.0°F

Measurement Time: Thursday, July 23, 2026, 7:37 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

50.6°F

Conditions: Clear

Feels Like: 48.6°F

Heat Index: 50.6°F

Humidity: 74%

Wind: S 4.5 mph

Wind Gusts: 9.4 mph

Wind Chill: 49.3°F

Dew Point: 42.5°F

Precipitation: 0 in

Cloud Cover: 18%

Visibility: 6 mi

Air Pressure: 1017 mbar

UV Index: 0

Five Day Weather Forecast

Fri
H: 90°F
L: 47°F

Sat
H: 90°F
L: 50°F

Sun
H: 90°F
L: 48°F

Mon
H: 89°F
L: 52°F

Tue
H: 90°F
L: 47°F

Air Quality

AQI: 1 - Good

PM2.5: 7.7 μg/m3

PM10: 8.5 μg/m3

Carbon Monoxide: 103 μg/m3
Nitrogen Dioxide: 6.8 μg/m3
Sulphur Dioxide: 0.2 μg/m3
Ozone: 56 μg/m3

Astronomical

Sunrise: 6:00 AM
Sun Transit: 1:29 PM
Sunset: 8:58 PM
Daylight: 14 hrs 59 mins

Moonrise: 5:52 PM
Moon Transit: 9:55 PM
Moonset: 1:17 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.3%

Best Times for Fishing or Hunting

Major Periods

6:09 AM - 8:39 AM
9:25 PM - 11:55 PM

Minor Periods

5:22 PM - 6:52 PM
12:47 AM - 2:17 AM

Action Rating: 4 out of 5

Heat Advisory issued July 23 at 12:52PM MDT until July 26 at 9:00PM MDT by NWS Billings MT

Effective: Thu July 23, 2026, 12:52 PM
Expires: Fri July 24, 2026, 1:00 PM

* WHAT...Hot conditions with high temperatures of 94 to 101. * WHERE...Livingston Area, Northern Park, and Paradise Valley. * WHEN...From 9 AM Friday to 9 PM MDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Warm nighttime temperatures will provide limited relief.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Heat Advisory issued July 23 at 9:44PM MDT until July 26 at 9:00PM MDT by NWS Billings MT

Effective: Thu July 23, 2026, 9:44 PM
Expires: Fri July 24, 2026, 9:45 PM

* WHAT...Hot conditions with high temperatures of 90 to 100. Saturday is expected to be the hottest day. * WHERE...Portions of central and south central Montana. * WHEN...From 9 AM Friday to 9 PM MDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Hot daytime temperatures combined with warm overnight low temperatures will produce cumulative heat stress. This heat stress will become dangerous to anyone without adequate cooling and hydration.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Friday, July 24, 2026

Weather Forecast

Conditions: Sunny

High Temperature: 89.9°F

Low Temperature: 47°F

Average Temperature: 67.6°F

Average Humidity: 51%

Precipitation: 0.01 in

Chance of Rain: 36%

Chance of Snow: 0%

Maximum Wind: 13.6 mph

UV Index: 10.5

Air Quality

AQI: 1 - Good

PM2.5: 5.75 μg/m3

PM10: 6.63 μg/m3

Carbon Monoxide: 104.04 μg/m3
Nitrogen Dioxide: 3.05 μg/m3
Sulphur Dioxide: 0.29 μg/m3
Ozone: 77.92 μg/m3

Astronomical

Sunrise: 6:00 AM
Sun Transit: 1:29 PM
Sunset: 8:58 PM
Daylight: 14 hrs 59 mins

Moonrise: 5:52 PM
Moon Transit: 9:55 PM
Moonset: 1:17 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.3%

Best Times for Fishing or Hunting

Major Periods

6:09 AM - 8:39 AM
9:25 PM - 11:55 PM

Minor Periods

5:22 PM - 6:52 PM
12:47 AM - 2:17 AM

Action Rating: 4 out of 5

Saturday, July 25, 2026

Weather Forecast

Conditions: Sunny

High Temperature: 90.4°F

Low Temperature: 50.1°F

Average Temperature: 68.9°F

Average Humidity: 47%

Precipitation: 0.02 in

Chance of Rain: 36%

Chance of Snow: 0%

Maximum Wind: 13.2 mph

UV Index: 9.8

Air Quality

AQI: 1 - Good

PM2.5: 3.72 μg/m3

PM10: 5.44 μg/m3

Carbon Monoxide: 99.92 μg/m3
Nitrogen Dioxide: 2.69 μg/m3
Sulphur Dioxide: 0.17 μg/m3
Ozone: 85.88 μg/m3

Astronomical

Sunrise: 6:01 AM
Sun Transit: 1:29 PM
Sunset: 8:57 PM
Daylight: 14 hrs 57 mins

Moonrise: 6:49 PM
Moon Transit: 10:47 PM
Moonset: 1:57 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.2%

Best Times for Fishing or Hunting

Major Periods

6:59 AM - 9:29 AM
12:00 AM - 12:00 AM

Minor Periods

6:19 PM - 7:49 PM
1:27 AM - 2:57 AM

Action Rating: 2 out of 5

Sunday, July 26, 2026

Weather Forecast

Conditions: Sunny

High Temperature: 90.3°F

Low Temperature: 47.6°F

Average Temperature: 67.8°F

Average Humidity: 53%

Precipitation: 0.01 in

Chance of Rain: 17%

Chance of Snow: 0%

Maximum Wind: 15.2 mph

UV Index: 10.2

Air Quality

AQI: 1 - Good

PM2.5: 3.06 μg/m3

PM10: 6.1 μg/m3

Carbon Monoxide: 96.38 μg/m3
Nitrogen Dioxide: 2.73 μg/m3
Sulphur Dioxide: 0.28 μg/m3
Ozone: 90.04 μg/m3

Astronomical

Sunrise: 6:02 AM
Sun Transit: 1:29 PM
Sunset: 8:56 PM
Daylight: 14 hrs 55 mins

Moonrise: 7:37 PM
Moon Transit: 11:38 PM
Moonset: 2:46 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.3%

Best Times for Fishing or Hunting

Major Periods

7:51 AM - 10:21 AM
12:00 AM - 12:00 AM

Minor Periods

7:07 PM - 8:37 PM
2:16 AM - 3:46 AM

Action Rating: 3 out of 5

Monday, July 27, 2026

Weather Forecast

Conditions: Partly Cloudy

High Temperature: 88.7°F

Low Temperature: 51.7°F

Average Temperature: 70.2°F

Average Humidity: 35%

Precipitation: 0 in

Chance of Rain: 2%

Chance of Snow: 0%

Maximum Wind: 13.9 mph

UV Index: 9.4

Air Quality

AQI: 1 - Good

PM2.5: 4.5 μg/m3

PM10: 8.18 μg/m3

Carbon Monoxide: 100.11 μg/m3
Nitrogen Dioxide: 3.38 μg/m3
Sulphur Dioxide: 0.35 μg/m3
Ozone: 87.96 μg/m3

Astronomical

Sunrise: 6:03 AM
Sun Transit: 1:29 PM
Sunset: 8:55 PM
Daylight: 14 hrs 52 mins

Moonrise: 8:16 PM
Moon Transit: 12:00 AM
Moonset: 3:43 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
8:42 AM - 11:12 AM

Minor Periods

7:46 PM - 9:16 PM
3:13 AM - 4:43 AM

Action Rating: 3 out of 5

Tuesday, July 28, 2026

Weather Forecast

Conditions: Sunny

High Temperature: 90.1°F

Low Temperature: 46.8°F

Average Temperature: 68.5°F

Average Humidity: 29%

Precipitation: 0 in

Chance of Rain: 1%

Chance of Snow: 0%

Maximum Wind: 10.5 mph

UV Index: 8

Air Quality

AQI: 1 - Good

PM2.5: 3.61 μg/m3

PM10: 4.73 μg/m3

Carbon Monoxide: 114.57 μg/m3
Nitrogen Dioxide: 9.27 μg/m3
Sulphur Dioxide: 0.27 μg/m3
Ozone: 52.14 μg/m3

Astronomical

Sunrise: 6:04 AM
Sun Transit: 1:29 PM
Sunset: 8:54 PM
Daylight: 14 hrs 50 mins

Moonrise: 8:48 PM
Moon Transit: 12:28 AM
Moonset: 4:47 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:32 AM - 12:02 AM

Minor Periods

8:18 PM - 9:48 PM
4:17 AM - 5:47 AM

Action Rating: 4 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.

Webcams Near Yellowstone National Park, WY

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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

Heat Advisory issued July 23 at 12:52PM MDT until July 26 at 9:00PM MDT by NWS Billings MT

Heat Advisory issued July 23 at 9:44PM MDT until July 26 at 9:00PM MDT by NWS Billings 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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