Water Temperature of the Madison River in West Yellowstone, MT

Current Water Temperature

50.0°F

Measurement Time: Sunday, May 17, 2026, 9:30 PM 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

30.2°F
Overcast
Overcast
21.9°F
26.5°F
64%
N 9.2 mph
10.7 mph
17.7°F
20.8°F
0 in
100%
9 mi
1016 mbar
0

Five Day Weather Forecast

Sunny
Mon
H: 46°F
L: 25°F
Partly Cloudy
Tue
H: 51°F
L: 24°F
Patchy rain nearby
Wed
H: 54°F
L: 29°F
Patchy rain nearby
Thu
H: 55°F
L: 27°F
Patchy rain nearby
Fri
H: 60°F
L: 27°F

Air Quality

AQI: 1 - Good
PM2.5: 1.48 μg/m3
PM10: 1.78 μg/m3
Carbon Monoxide: 122.68 μg/m3
Nitrogen Dioxide: 0.98 μg/m3
Sulphur Dioxide: 0.68 μg/m3
Ozone: 87 μg/m3

Astronomical

Sunrise: 5:53 AM
Sun Transit: 1:20 PM
Sunset: 8:49 PM
Daylight: 14 hrs 57 mins
Moonrise: 6:57 AM
Moon Transit: 3:25 PM
Moonset: 11:53 PM
Moon Phase: New
Moon Illumination: 2.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:55 PM - 5:25 PM

Minor Periods

12:00 AM - 12:00 AM
6:27 AM - 7:57 AM

Action Rating: 3 out of 5

Frost Advisory issued May 17 at 9:20PM MDT until May 18 at 9:00AM MDT by NWS Pocatello ID

Effective: Sun May 17, 2026, 9:20 PM
Expires: Mon May 18, 2026, 6:00 AM

* WHAT...Temperatures 32 to 36 will result in frost formation. Areas along the interstates from Burley to Pocatello to Idaho Falls may remain warmer than 36 tonight. * WHERE...Eastern Magic Valley and Upper Snake River Plain. * WHEN...From 3 AM to 9 AM MDT Monday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Take steps now to protect tender plants from the cold.
Monday, May 18, 2026

Weather Forecast

Sunny
45.8°F
24.9°F
34.7°F
49%
0 in
0%
0%
15.4 mph
7.2


Air Quality

AQI: 1 - Good
PM2.5: 2.16 μg/m3
PM10: 2.63 μg/m3
Carbon Monoxide: 123.16 μg/m3
Nitrogen Dioxide: 1.07 μg/m3
Sulphur Dioxide: 0.83 μg/m3
Ozone: 88.8 μg/m3

Astronomical

Sunrise: 5:53 AM
Sun Transit: 1:20 PM
Sunset: 8:49 PM
Daylight: 14 hrs 57 mins
Moonrise: 6:57 AM
Moon Transit: 3:25 PM
Moonset: 11:53 PM
Moon Phase: New
Moon Illumination: 2.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:55 PM - 5:25 PM

Minor Periods

12:00 AM - 12:00 AM
6:27 AM - 7:57 AM

Action Rating: 3 out of 5

Tuesday, May 19, 2026

Weather Forecast

Partly Cloudy
51°F
23.9°F
38.4°F
45%
0 in
0%
0%
13.6 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 4.33 μg/m3
PM10: 5.38 μg/m3
Carbon Monoxide: 124.88 μg/m3
Nitrogen Dioxide: 1.59 μg/m3
Sulphur Dioxide: 0.88 μg/m3
Ozone: 92.84 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 1:20 PM
Sunset: 8:51 PM
Daylight: 14 hrs 59 mins
Moonrise: 8:07 AM
Moon Transit: 4:31 PM
Moonset: 12:53 AM
Moon Phase: Waxing Crescent
Moon Illumination: 7.4%

Best Times for Fishing or Hunting

Major Periods

12:32 AM - 3:02 AM
4:01 PM - 6:31 PM

Minor Periods

7:37 AM - 9:07 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, May 20, 2026

Weather Forecast

Patchy rain nearby
53.8°F
28.8°F
42°F
58%
0.06 in
85%
0%
13.6 mph
5.9


Air Quality

AQI: 1 - Good
PM2.5: 3.85 μg/m3
PM10: 5.29 μg/m3
Carbon Monoxide: 120.32 μg/m3
Nitrogen Dioxide: 1.58 μg/m3
Sulphur Dioxide: 0.88 μg/m3
Ozone: 95.12 μg/m3

Astronomical

Sunrise: 5:51 AM
Sun Transit: 1:20 PM
Sunset: 8:52 PM
Daylight: 15 hrs 1 mins
Moonrise: 9:26 AM
Moon Transit: 5:32 PM
Moonset: 12:46 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.4%

Best Times for Fishing or Hunting

Major Periods

1:36 AM - 4:06 AM
5:02 PM - 7:32 PM

Minor Periods

8:56 AM - 10:26 AM
12:16 AM - 1:46 AM

Action Rating: 2 out of 5

Thursday, May 21, 2026

Weather Forecast

Patchy rain nearby
55.4°F
27.2°F
41°F
67%
0.01 in
87%
0%
12.8 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 3.32 μg/m3
PM10: 5.98 μg/m3
Carbon Monoxide: 121.01 μg/m3
Nitrogen Dioxide: 2.03 μg/m3
Sulphur Dioxide: 0.85 μg/m3
Ozone: 94.84 μg/m3

Astronomical

Sunrise: 5:50 AM
Sun Transit: 1:20 PM
Sunset: 8:53 PM
Daylight: 15 hrs 3 mins
Moonrise: 10:47 AM
Moon Transit: 6:28 PM
Moonset: 1:25 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.2%

Best Times for Fishing or Hunting

Major Periods

2:36 AM - 5:06 AM
5:58 PM - 8:28 PM

Minor Periods

10:17 AM - 11:47 AM
12:55 AM - 2:25 AM

Action Rating: 3 out of 5

Friday, May 22, 2026

Weather Forecast

Patchy rain nearby
59.5°F
26.7°F
40.1°F
68%
0.02 in
89%
10%
12.8 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 3.15 μg/m3
PM10: 5.22 μg/m3
Carbon Monoxide: 141.02 μg/m3
Nitrogen Dioxide: 2.77 μg/m3
Sulphur Dioxide: 0.78 μg/m3
Ozone: 79.15 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 1:21 PM
Sunset: 8:54 PM
Daylight: 15 hrs 5 mins
Moonrise: 12:04 AM
Moon Transit: 7:18 PM
Moonset: 1:54 AM
Moon Phase: Waxing Crescent
Moon Illumination: 33.4%

Best Times for Fishing or Hunting

Major Periods

3:30 AM - 6:00 AM
6:48 PM - 9:18 PM

Minor Periods

11:34 AM - 1:04 PM
1:24 AM - 2:54 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.

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