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

Current Water Temperature

115.0°F

Measurement Time: Sunday, June 28, 2026, 9:15 AM 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

48.8°F
Patchy rain nearby
Patchy rain nearby
44.1°F
48.8°F
65%
SW 11.2 mph
13 mph
44.1°F
37.6°F
0 in
77%
6 mi
1006 mbar
4.6

Five Day Weather Forecast

Patchy rain nearby
Sun
H: 50°F
L: 29°F
Light drizzle
Mon
H: 45°F
L: 27°F
Patchy rain nearby
Tue
H: 66°F
L: 26°F
Sunny
Wed
H: 71°F
L: 32°F
Sunny
Thu
H: 73°F
L: 34°F

Air Quality

AQI: 1 - Good
PM2.5: 0.1 μg/m3
PM10: 0.2 μg/m3
Carbon Monoxide: 90 μg/m3
Nitrogen Dioxide: 0.7 μg/m3
Sulphur Dioxide: 0.1 μg/m3
Ozone: 70 μg/m3

Astronomical

Sunrise: 5:38 AM
Sun Transit: 1:26 PM
Sunset: 9:13 PM
Daylight: 15 hrs 35 mins
Moonrise: 8:53 PM
Moon Transit: 12:00 AM
Moonset: 4:01 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:05 AM - 11:35 AM

Minor Periods

8:23 PM - 9:53 PM
3:31 AM - 5:01 AM

Action Rating: 2 out of 5

Winter Storm Warning issued June 28 at 12:41AM MDT until June 29 at 12:00PM MDT by NWS Great Falls MT

Effective: Sun June 28, 2026, 12:41 AM
Expires: Sun June 28, 2026, 6:00 PM

* WHAT...Heavy snow expected. Total snow accumulations between 2 and 6 inches at pass level, with snow amounts in excess of a foot in the higher terrain. * WHERE...Northwest Beaverhead County. * WHEN...Until noon MDT Monday. * IMPACTS...Plan on cold and wet backcountry conditions with a heightened hypothermia risk for those not properly dressed. Wet snow may down trees and block access to forest roadways. * ADDITIONAL DETAILS...Campers should be aware that it only takes a few inches of snow to damage tents and other recreational items.

Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.


Winter Storm Warning issued June 28 at 12:44PM MDT until June 29 at 12:00PM MDT by NWS Great Falls MT

Effective: Sun June 28, 2026, 12:44 PM
Expires: Mon June 29, 2026, 6:00 AM

* WHAT...Heavy wet snow. Additional snow accumulations up to 3 inches near pass level, with additional amounts in excess of 6 inches above pass level. * WHERE...Northwest Beaverhead County. * WHEN...Until noon MDT Monday. * IMPACTS...Plan on cold and wet backcountry conditions with a heightened hypothermia risk for those not properly dressed. Wet snow may down trees and block access to forest roadways. * ADDITIONAL DETAILS...Campers should be aware that it only takes a few inches of snow to damage tents and other recreational items.

Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
Sunday, June 28, 2026

Weather Forecast

Patchy rain nearby
50.1°F
28.5°F
43.2°F
81%
0.22 in
81%
0%
11.6 mph
6.5


Air Quality

AQI: 1 - Good
PM2.5: 0.43 μg/m3
PM10: 0.7 μg/m3
Carbon Monoxide: 93.92 μg/m3
Nitrogen Dioxide: 1.2 μg/m3
Sulphur Dioxide: 0.08 μg/m3
Ozone: 69.29 μg/m3

Astronomical

Sunrise: 5:38 AM
Sun Transit: 1:26 PM
Sunset: 9:13 PM
Daylight: 15 hrs 35 mins
Moonrise: 8:53 PM
Moon Transit: 12:00 AM
Moonset: 4:01 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:05 AM - 11:35 AM

Minor Periods

8:23 PM - 9:53 PM
3:31 AM - 5:01 AM

Action Rating: 2 out of 5

Monday, June 29, 2026

Weather Forecast

Light drizzle
45.4°F
26.6°F
40°F
95%
0.26 in
92%
0%
10.3 mph
1.3


Air Quality

AQI: 1 - Good
PM2.5: 0.08 μg/m3
PM10: 0.13 μg/m3
Carbon Monoxide: 91.17 μg/m3
Nitrogen Dioxide: 1.89 μg/m3
Sulphur Dioxide: 0.15 μg/m3
Ozone: 63.33 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:26 PM
Sunset: 9:13 PM
Daylight: 15 hrs 34 mins
Moonrise: 9:38 PM
Moon Transit: 12:52 AM
Moonset: 4:52 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:22 AM - 2:52 AM
9:56 AM - 12:26 AM

Minor Periods

9:08 PM - 10:38 PM
4:22 AM - 5:52 AM

Action Rating: 5 out of 5

Tuesday, June 30, 2026

Weather Forecast

Patchy rain nearby
66.3°F
26.3°F
47.2°F
72%
0.01 in
27%
0%
8.3 mph
7.7


Air Quality

AQI: 1 - Good
PM2.5: 1.65 μg/m3
PM10: 5.79 μg/m3
Carbon Monoxide: 93.92 μg/m3
Nitrogen Dioxide: 2.18 μg/m3
Sulphur Dioxide: 0.09 μg/m3
Ozone: 71.38 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:26 PM
Sunset: 9:13 PM
Daylight: 15 hrs 34 mins
Moonrise: 10:15 PM
Moon Transit: 1:43 AM
Moonset: 5:52 AM
Moon Phase: Full
Moon Illumination: 98.6%

Best Times for Fishing or Hunting

Major Periods

1:13 AM - 3:43 AM
10:47 AM - 1:17 PM

Minor Periods

9:45 PM - 11:15 PM
5:22 AM - 6:52 AM

Action Rating: 4 out of 5

Wednesday, July 1, 2026

Weather Forecast

Sunny
71.4°F
31.5°F
52.3°F
56%
0.01 in
17%
0%
12.5 mph
8.2


Air Quality

AQI: 1 - Good
PM2.5: 2.02 μg/m3
PM10: 4.23 μg/m3
Carbon Monoxide: 95.41 μg/m3
Nitrogen Dioxide: 2.51 μg/m3
Sulphur Dioxide: 0.15 μg/m3
Ozone: 82.79 μg/m3

Astronomical

Sunrise: 5:40 AM
Sun Transit: 1:26 PM
Sunset: 9:13 PM
Daylight: 15 hrs 33 mins
Moonrise: 10:45 PM
Moon Transit: 2:33 AM
Moonset: 6:57 AM
Moon Phase: Full
Moon Illumination: 94.7%

Best Times for Fishing or Hunting

Major Periods

2:03 AM - 4:33 AM
11:36 AM - 2:06 PM

Minor Periods

10:15 PM - 11:45 PM
6:27 AM - 7:57 AM

Action Rating: 3 out of 5

Thursday, July 2, 2026

Weather Forecast

Sunny
73°F
34.3°F
54.7°F
56%
0 in
17%
0%
15.2 mph
8.8


Air Quality

AQI: 1 - Good
PM2.5: 3.46 μg/m3
PM10: 5.34 μg/m3
Carbon Monoxide: 107.86 μg/m3
Nitrogen Dioxide: 5.74 μg/m3
Sulphur Dioxide: 0.23 μg/m3
Ozone: 70.86 μg/m3

Astronomical

Sunrise: 5:41 AM
Sun Transit: 1:26 PM
Sunset: 9:13 PM
Daylight: 15 hrs 32 mins
Moonrise: 11:08 PM
Moon Transit: 3:20 AM
Moonset: 8:05 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.5%

Best Times for Fishing or Hunting

Major Periods

2:50 AM - 5:20 AM
12:22 AM - 2:52 PM

Minor Periods

12:00 AM - 12:00 AM
7:35 AM - 9:05 AM

Action Rating: 3 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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