Water Temperature of the Firehole River in Yellowstone National Park, WY

Current Water Temperature

51.1°F

Measurement Time: Sunday, January 4, 2026, 11:00 AM MST

Temperature Locations

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Local Points of Interest

Alta, WY; West Yellowstone,WY

Firehole River

Station Name: Firehole River near West Yellowstone MT
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 7,070 feet

Nearest Address:
Firehole Canyon Rd
Yellowstone National Park, WY 82190
Teton County

GPS Coordinates: 44.6201833, -110.8635028

Nearby Water Temperatures

Gibbon River, Yellowstone National Park, WY (1.4 mi)
Madison River, West Yellowstone, MT (10.4 mi)
Tantalus Creek, Yellowstone National Park, WY (10.7 mi)
Firehole River, Yellowstone National Park, WY (11.3 mi)
Boiling River Hot Springs, Yellowstone National Park, WY (26.6 mi)
Madison River, Grayling, MT (28.9 mi)
Lamar River, Yellowstone National Park, WY (31.3 mi)
Yellowstone River, Corwin Springs, MT (34.2 mi)
Snake River, Flagg Ranch, WY (37.3 mi)
Madison River, Cameron, MT (39.8 mi)
Snake River, Moran, WY (54.4 mi)
Buffalo Fork River, Moran, WY (57.9 mi)
Madison River, Ennis, MT (60.7 mi)
Blackrock Creek, Moran, WY (65.6 mi)
Snake River, Moose, WY (67.2 mi)

Weather for Yellowstone National Park, Wyoming

Current Weather

28°F
Thundery outbreaks in nearby
Thundery outbreaks in nearby
18.4°F
32.1°F
88%
SSW 10.7 mph
12.4 mph
23.9°F
31.4°F
0 in
0%
3 mi
1008 mbar
0

Five Day Weather Forecast

Thundery outbreaks in nearby
Sun
H: 34°F
L: 30°F
Moderate or heavy snow showers
Mon
H: 30°F
L: 26°F
Moderate snow
Tue
H: 25°F
L: 23°F
Moderate or heavy snow showers
Wed
H: 28°F
L: 4°F
Moderate snow
Thu
H: 19°F
L: -5°F

Air Quality

AQI: 1 - Good
PM2.5: 0.88 μg/m3
PM10: 0.88 μg/m3
Carbon Monoxide: 118.68 μg/m3
Nitrogen Dioxide: 2.08 μg/m3
Sulphur Dioxide: 0.68 μg/m3
Ozone: 82 μg/m3

Astronomical

Sunrise: 8:00 AM
Sun Transit: 12:28 AM
Sunset: 4:57 PM
Daylight: 8 hrs 57 mins
Moonrise: 6:37 PM
Moon Transit: 1:25 AM
Moonset: 9:22 AM
Moon Phase: Full
Moon Illumination: 98.1%

Best Times for Fishing or Hunting

Major Periods

12:55 AM - 3:25 AM
10:31 AM - 1:01 PM

Minor Periods

6:07 PM - 7:37 PM
8:52 AM - 10:22 AM

Action Rating: 3 out of 5

Winter Weather Advisory issued January 4 at 3:00AM MST until January 5 at 11:00AM MST by NWS Riverton WY

Effective: Sun January 4, 2026, 3:00 AM
Expires: Sun January 4, 2026, 4:00 PM

* WHAT...Snow expected. Total snow accumulations 4 to 8 inches with lesser amounts nearby Mammoth. Locally higher amounts up to 12 inches near the South Entrance and up to 2 feet in southwestern portions of the park. Winds gusting as high as 45 mph through the day Sunday. * WHERE...Yellowstone National Park. * WHEN...Until 11 AM MST Monday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Sunday morning and evening commute.

Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info .


Winter Weather Advisory issued January 4 at 1:10PM MST until January 5 at 11:00AM MST by NWS Riverton WY

Effective: Sun January 4, 2026, 1:10 PM
Expires: Mon January 5, 2026, 7:00 AM

* WHAT...Snow. Total snow accumulations 2 to 4 inches with amounts around a trace nearby Mammoth. Locally higher amounts up to 10 inches near the South Entrance and up to 14 inches in southwestern portions of the park. * WHERE...Yellowstone National Park. * WHEN...Until 11 AM MST Monday. * IMPACTS...Travel could be difficult.

Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter. For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info.
Sunday, January 4, 2026

Weather Forecast

Thundery outbreaks in nearby
34.3°F
30.2°F
32.1°F
94%
0.15 in
81%
8%
13 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 2.69 μg/m3
PM10: 2.97 μg/m3
Carbon Monoxide: 138.4 μg/m3
Nitrogen Dioxide: 2 μg/m3
Sulphur Dioxide: 0.96 μg/m3
Ozone: 79.64 μg/m3

Astronomical

Sunrise: 8:00 AM
Sun Transit: 12:28 AM
Sunset: 4:57 PM
Daylight: 8 hrs 57 mins
Moonrise: 6:37 PM
Moon Transit: 1:25 AM
Moonset: 9:22 AM
Moon Phase: Full
Moon Illumination: 98.1%

Best Times for Fishing or Hunting

Major Periods

12:55 AM - 3:25 AM
10:31 AM - 1:01 PM

Minor Periods

6:07 PM - 7:37 PM
8:52 AM - 10:22 AM

Action Rating: 3 out of 5

Monday, January 5, 2026

Weather Forecast

Moderate or heavy snow showers
30°F
25.9°F
28.9°F
93%
0.15 in
76%
11%
17.2 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 0.95 μg/m3
PM10: 0.98 μg/m3
Carbon Monoxide: 137.88 μg/m3
Nitrogen Dioxide: 2.2 μg/m3
Sulphur Dioxide: 0.69 μg/m3
Ozone: 80.04 μg/m3

Astronomical

Sunrise: 8:00 AM
Sun Transit: 12:29 AM
Sunset: 4:58 PM
Daylight: 8 hrs 58 mins
Moonrise: 7:57 PM
Moon Transit: 2:23 AM
Moonset: 9:53 AM
Moon Phase: Full
Moon Illumination: 93.7%

Best Times for Fishing or Hunting

Major Periods

1:53 AM - 4:23 AM
11:26 AM - 1:56 PM

Minor Periods

7:27 PM - 8:57 PM
9:23 AM - 10:53 AM

Action Rating: 3 out of 5

Tuesday, January 6, 2026

Weather Forecast

Moderate snow
25°F
23.4°F
24.5°F
90%
0.79 in
71%
58%
18.3 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 1.45 μg/m3
PM10: 1.49 μg/m3
Carbon Monoxide: 141.48 μg/m3
Nitrogen Dioxide: 2.7 μg/m3
Sulphur Dioxide: 0.71 μg/m3
Ozone: 79.56 μg/m3

Astronomical

Sunrise: 8:00 AM
Sun Transit: 12:29 AM
Sunset: 4:59 PM
Daylight: 8 hrs 59 mins
Moonrise: 9:12 PM
Moon Transit: 3:14 AM
Moonset: 10:18 AM
Moon Phase: Waning Gibbous
Moon Illumination: 87.1%

Best Times for Fishing or Hunting

Major Periods

2:44 AM - 5:14 AM
12:16 AM - 2:46 PM

Minor Periods

8:42 PM - 10:12 PM
9:48 AM - 11:18 AM

Action Rating: 2 out of 5

Wednesday, January 7, 2026

Weather Forecast

Moderate or heavy snow showers
27.5°F
4.1°F
22°F
87%
0.93 in
70%
50%
18.1 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 1.18 μg/m3
PM10: 1.27 μg/m3
Carbon Monoxide: 138.82 μg/m3
Nitrogen Dioxide: 2.25 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 81 μg/m3

Astronomical

Sunrise: 8:00 AM
Sun Transit: 12:29 AM
Sunset: 5:00 PM
Daylight: 9 hrs mins
Moonrise: 10:23 PM
Moon Transit: 4:01 AM
Moonset: 10:38 AM
Moon Phase: Waning Gibbous
Moon Illumination: 78.6%

Best Times for Fishing or Hunting

Major Periods

3:31 AM - 6:01 AM
1:02 PM - 3:32 PM

Minor Periods

9:53 PM - 11:23 PM
10:08 AM - 11:38 AM

Action Rating: 2 out of 5

Thursday, January 8, 2026

Weather Forecast

Moderate snow
19.2°F
-5.4°F
9.7°F
94%
0.1 in
71%
59%
11.4 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 2.73 μg/m3
PM10: 3.32 μg/m3
Carbon Monoxide: 162.74 μg/m3
Nitrogen Dioxide: 3.32 μg/m3
Sulphur Dioxide: 1.09 μg/m3
Ozone: 86.92 μg/m3

Astronomical

Sunrise: 8:00 AM
Sun Transit: 12:30 AM
Sunset: 5:01 PM
Daylight: 9 hrs 2 mins
Moonrise: 11:30 PM
Moon Transit: 4:45 AM
Moonset: 10:55 AM
Moon Phase: Waning Gibbous
Moon Illumination: 68.7%

Best Times for Fishing or Hunting

Major Periods

4:15 AM - 6:45 AM
1:44 PM - 4:14 PM

Minor Periods

12:00 AM - 12:00 AM
10:25 AM - 11:55 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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