Water Temperature of the Boiling River Hot Springs in Yellowstone National Park, WY
Current Water Temperature
Measurement Time: Friday, July 24, 2026, 8:15 AM MDT
Temperature Locations
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Local Points of Interest
Gardner River; Mammoth Hot Springs; Cody, WYStation 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

Five Day Weather Forecast

Fri
H: 90°F
L: 47°F

Sat
H: 89°F
L: 48°F

Sun
H: 89°F
L: 47°F

Mon
H: 88°F
L: 54°F

Tue
H: 89°F
L: 46°F
Air Quality
Nitrogen Dioxide: 0.2 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 102 μg/m3
Astronomical
Sun Transit: 1:29 PM
Sunset: 8:58 PM
Daylight: 14 hrs 59 mins
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 AM9:25 PM - 11:55 PM
Minor Periods
5:22 PM - 6:52 PM12:47 AM - 2:17 AM
Action Rating: 4 out of 5
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.
Heat Advisory issued July 24 at 1:28AM MDT until July 26 at 9:00PM MDT by NWS Billings MT
Effective: Fri July 24, 2026, 1:28 AM
Expires: Sat July 25, 2026, 1:30 AM
* 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 this morning 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.
Heat Advisory issued July 24 at 12:35PM MDT until July 26 at 9:00PM MDT by NWS Billings MT
Effective: Fri July 24, 2026, 12:35 PM
Expires: Sat July 25, 2026, 12:45 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...Until 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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Heat Advisory issued July 24 at 11:26AM MDT until July 26 at 9:00PM MDT by NWS Riverton WY
Effective: Fri July 24, 2026, 11:26 AM
Expires: Sat July 25, 2026, 12:00 PM
* WHAT...Very hot conditions with high temperatures from 95 to 102 degrees. * WHERE...Lower elevations of central and north-central Wyoming, east of the continental divide. * WHEN...From noon Saturday to 9 PM MDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or late evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.05 μg/m3
Sulphur Dioxide: 0.29 μg/m3
Ozone: 77.92 μg/m3
Astronomical
Sun Transit: 1:29 PM
Sunset: 8:58 PM
Daylight: 14 hrs 59 mins
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 AM9:25 PM - 11:55 PM
Minor Periods
5:22 PM - 6:52 PM12:47 AM - 2:17 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.69 μg/m3
Sulphur Dioxide: 0.17 μg/m3
Ozone: 85.88 μg/m3
Astronomical
Sun Transit: 1:29 PM
Sunset: 8:57 PM
Daylight: 14 hrs 57 mins
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 AM12:00 AM - 12:00 AM
Minor Periods
6:19 PM - 7:49 PM1:27 AM - 2:57 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.73 μg/m3
Sulphur Dioxide: 0.28 μg/m3
Ozone: 90.04 μg/m3
Astronomical
Sun Transit: 1:29 PM
Sunset: 8:56 PM
Daylight: 14 hrs 55 mins
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 AM12:00 AM - 12:00 AM
Minor Periods
7:07 PM - 8:37 PM2:16 AM - 3:46 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.38 μg/m3
Sulphur Dioxide: 0.35 μg/m3
Ozone: 87.96 μg/m3
Astronomical
Sun Transit: 1:29 PM
Sunset: 8:55 PM
Daylight: 14 hrs 52 mins
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 AM8:42 AM - 11:12 AM
Minor Periods
7:46 PM - 9:16 PM3:13 AM - 4:43 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 9.27 μg/m3
Sulphur Dioxide: 0.27 μg/m3
Ozone: 52.14 μg/m3
Astronomical
Sun Transit: 1:29 PM
Sunset: 8:54 PM
Daylight: 14 hrs 50 mins
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 AM9:32 AM - 12:02 AM
Minor Periods
8:18 PM - 9:48 PM4:17 AM - 5:47 AM
Action Rating: 4 out of 5
