Water Temperature of the Madison River in West Yellowstone, MT

Current Water Temperature

67.6°F

Measurement Time: Friday, July 31, 2026, 3:30 AM MDT

Temperature Locations

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Local Points of Interest

Yellowstone National Park

Madison River

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

Elevation Above Sea Level: 6,647 feet

Nearest Address:
Up River Loop Trail
West Yellowstone, MT 59758
Gallatin County

GPS Coordinates: 44.6570722, -111.0679639

Nearby Water Temperatures

Gibbon River, Yellowstone National Park, WY (10.2 mi)
Firehole River, Yellowstone National Park, WY (10.4 mi)
Tantalus Creek, Yellowstone National Park, WY (18.2 mi)
Firehole River, Yellowstone National Park, WY (18.2 mi)
Madison River, Grayling, MT (19.6 mi)
Boiling River Hot Springs, Yellowstone National Park, WY (29.3 mi)
Madison River, Cameron, MT (29.8 mi)
Yellowstone River, Corwin Springs, MT (34.2 mi)
Lamar River, Yellowstone National Park, WY (38 mi)
Snake River, Flagg Ranch, WY (43.3 mi)
Madison River, Ennis, MT (52 mi)
Snake River, Moran, WY (60.1 mi)
Madison River, Norris, MT (63.9 mi)
Buffalo Fork River, Moran, WY (64.5 mi)
Snake River, Moose, WY (71.5 mi)

Weather for West Yellowstone, Montana

Current Weather

75°F
Sunny
Sunny
71.1°F
74.8°F
27%
SW 2.7 mph
3.1 mph
75°F
38.6°F
0 in
11%
6 mi
1019 mbar
3.7

Five Day Weather Forecast

Sunny
Fri
H: 86°F
L: 50°F
Sunny
Sat
H: 88°F
L: 52°F
Sunny
Sun
H: 86°F
L: 51°F
Sunny
Mon
H: 76°F
L: 44°F
Sunny
Tue
H: 77°F
L: 36°F

Air Quality

AQI: 1 - Good
PM2.5: 15.5 μg/m3
PM10: 17.2 μg/m3
Carbon Monoxide: 175 μg/m3
Nitrogen Dioxide: 1.5 μg/m3
Sulphur Dioxide: 2.9 μg/m3
Ozone: 119 μg/m3

Astronomical

Sunrise: 6:10 AM
Sun Transit: 1:30 PM
Sunset: 8:51 PM
Daylight: 14 hrs 41 mins
Moonrise: 9:55 PM
Moon Transit: 2:49 AM
Moonset: 8:15 AM
Moon Phase: Full
Moon Illumination: 92.0%

Best Times for Fishing or Hunting

Major Periods

2:19 AM - 4:49 AM
11:48 AM - 2:18 PM

Minor Periods

9:25 PM - 10:55 PM
7:45 AM - 9:15 AM

Action Rating: 3 out of 5

Heat Advisory issued July 31 at 12:49AM MDT until August 2 at 10:00PM MDT by NWS Riverton WY

Effective: Fri July 31, 2026, 12:49 AM
Expires: Fri July 31, 2026, 6:15 PM

* WHAT...Very hot temperatures expected this weekend. Highs from 98 to 105 below 5500 feet, 90 to 98 above 5500 feet. * WHERE...Portions of central, north central, northwest, south central, southwest, and west central Wyoming. * WHEN...From noon Saturday to 10 PM MDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Some locations will not see temperatures fall below 90 degrees until sunset.

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 late evening. Take action when you see symptoms of heat exhaustion and heat stroke.


Heat Advisory issued July 31 at 9:58AM MDT until August 2 at 10:00PM MDT by NWS Riverton WY

Effective: Fri July 31, 2026, 9:58 AM
Expires: Sat August 1, 2026, 7:00 AM

* WHAT...Very hot temperatures expected this weekend. Highs from 98 to 105 below 5500 feet, 90 to 98 above 5500 feet. * WHERE...Portions of central, north central, northwest, south central, southwest, and west central Wyoming. * WHEN...From noon Saturday to 10 PM MDT Sunday. * IMPACTS...Heat related illnesses increase during extreme heat events. * ADDITIONAL DETAILS...Some locations will not see temperatures fall below 90 degrees until sunset.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Friday, July 31, 2026

Weather Forecast

Sunny
86.3°F
49.5°F
68.2°F
32%
0 in
1%
0%
8.3 mph
8.8


Air Quality

AQI: 1 - Good
PM2.5: 12.67 μg/m3
PM10: 14.45 μg/m3
Carbon Monoxide: 155.83 μg/m3
Nitrogen Dioxide: 4.98 μg/m3
Sulphur Dioxide: 2.48 μg/m3
Ozone: 100.71 μg/m3

Astronomical

Sunrise: 6:10 AM
Sun Transit: 1:30 PM
Sunset: 8:51 PM
Daylight: 14 hrs 41 mins
Moonrise: 9:55 PM
Moon Transit: 2:49 AM
Moonset: 8:15 AM
Moon Phase: Full
Moon Illumination: 92.0%

Best Times for Fishing or Hunting

Major Periods

2:19 AM - 4:49 AM
11:48 AM - 2:18 PM

Minor Periods

9:25 PM - 10:55 PM
7:45 AM - 9:15 AM

Action Rating: 3 out of 5

Saturday, August 1, 2026

Weather Forecast

Sunny
87.9°F
51.8°F
70°F
25%
0 in
0%
0%
16.6 mph
9.7


Air Quality

AQI: 1 - Good
PM2.5: 7.76 μg/m3
PM10: 11.25 μg/m3
Carbon Monoxide: 126.46 μg/m3
Nitrogen Dioxide: 4.38 μg/m3
Sulphur Dioxide: 1.36 μg/m3
Ozone: 95.75 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 1:30 PM
Sunset: 8:50 PM
Daylight: 14 hrs 39 mins
Moonrise: 10:13 PM
Moon Transit: 3:33 AM
Moonset: 9:23 AM
Moon Phase: Waning Gibbous
Moon Illumination: 84.9%

Best Times for Fishing or Hunting

Major Periods

3:03 AM - 5:33 AM
12:00 AM - 12:00 AM

Minor Periods

9:43 PM - 11:13 PM
8:53 AM - 10:23 AM

Action Rating: 2 out of 5

Sunday, August 2, 2026

Weather Forecast

Sunny
86.3°F
50.6°F
67.8°F
19%
0 in
0%
0%
19.9 mph
10


Air Quality

AQI: 1 - Good
PM2.5: 6.93 μg/m3
PM10: 16.05 μg/m3
Carbon Monoxide: 140.13 μg/m3
Nitrogen Dioxide: 3.67 μg/m3
Sulphur Dioxide: 0.59 μg/m3
Ozone: 89.79 μg/m3

Astronomical

Sunrise: 6:12 AM
Sun Transit: 1:30 PM
Sunset: 8:49 PM
Daylight: 14 hrs 37 mins
Moonrise: 10:32 PM
Moon Transit: 4:50 PM
Moonset: 10:32 AM
Moon Phase: Waning Gibbous
Moon Illumination: 75.9%

Best Times for Fishing or Hunting

Major Periods

4:20 PM - 6:50 PM
4:20 PM - 6:50 PM

Minor Periods

10:02 PM - 11:32 PM
10:02 AM - 11:32 AM

Action Rating: 2 out of 5

Monday, August 3, 2026

Weather Forecast

Sunny
75.7°F
44.4°F
59.5°F
25%
0 in
0%
0%
15.7 mph
9.6


Air Quality

AQI: 1 - Good
PM2.5: 3.93 μg/m3
PM10: 5.65 μg/m3
Carbon Monoxide: 114.53 μg/m3
Nitrogen Dioxide: 2.69 μg/m3
Sulphur Dioxide: 0.43 μg/m3
Ozone: 91.46 μg/m3

Astronomical

Sunrise: 6:13 AM
Sun Transit: 1:30 PM
Sunset: 8:47 PM
Daylight: 14 hrs 34 mins
Moonrise: 10:51 PM
Moon Transit: 12:00 AM
Moonset: 11:42 AM
Moon Phase: Waning Gibbous
Moon Illumination: 65.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:58 PM - 4:28 PM

Minor Periods

10:21 PM - 11:51 PM
11:12 AM - 12:42 AM

Action Rating: 2 out of 5

Tuesday, August 4, 2026

Weather Forecast

Sunny
77.1°F
36.2°F
56.5°F
39%
0 in
1%
0%
13 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 3.11 μg/m3
PM10: 3.49 μg/m3
Carbon Monoxide: 116.71 μg/m3
Nitrogen Dioxide: 8.56 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 57.71 μg/m3

Astronomical

Sunrise: 6:14 AM
Sun Transit: 1:30 PM
Sunset: 8:46 PM
Daylight: 14 hrs 32 mins
Moonrise: 11:13 PM
Moon Transit: 5:45 AM
Moonset: 12:56 AM
Moon Phase: Last Quarter
Moon Illumination: 54.6%

Best Times for Fishing or Hunting

Major Periods

5:15 AM - 7:45 AM
2:45 PM - 5:15 PM

Minor Periods

12:00 AM - 12:00 AM
12:26 AM - 1:56 PM

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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