Water Temperature of the Snake River in Flagg Ranch, WY

Current Water Temperature

41.0°F

Measurement Time: Sunday, May 17, 2026, 7:30 PM MDT

Temperature Locations

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Snake River

Station Name: SNAKE RIVER AB JACKSON LAKE AT FLAGG RANCH WY
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 6,818 feet

Nearest Address:
John D Rockefeller Jr Pkwy
Flagg Ranch, WY 83414
Teton County

GPS Coordinates: 44.09888889, -110.6675

Nearby Water Temperatures

Snake River, Moran, WY (17.1 mi)
Buffalo Fork River, Moran, WY (21.3 mi)
Firehole River, Yellowstone National Park, WY (26.1 mi)
Snake River, Moose, WY (30.8 mi)
Blackrock Creek, Moran, WY (31.6 mi)
Firehole River, Yellowstone National Park, WY (37.3 mi)
Gibbon River, Yellowstone National Park, WY (38.6 mi)
Fish Creek, Wilson, WY (42.6 mi)
Madison River, West Yellowstone, MT (43.3 mi)
Tantalus Creek, Yellowstone National Park, WY (43.8 mi)
Cache Creek, Jackson, WY (44.7 mi)
Flat Creek, Jackson, WY (44.7 mi)
Snake River, Jackson, WY (50.3 mi)
Hoback River, Hoback, WY (54.8 mi)
Lamar River, Yellowstone National Park, WY (58.9 mi)

Weather for Flagg Ranch, Wyoming

Current Weather

30°F
Patchy light snow
Patchy light snow
22.1°F
29.6°F
85%
NNE 8.5 mph
9.8 mph
21.6°F
24.8°F
0 in
100%
6 mi
1012 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Mon
H: 46°F
L: 22°F
Patchy rain nearby
Tue
H: 48°F
L: 18°F
Patchy rain nearby
Wed
H: 54°F
L: 25°F
Patchy rain nearby
Thu
H: 56°F
L: 24°F
Patchy rain nearby
Fri
H: 59°F
L: 22°F

Air Quality

AQI: 1 - Good
PM2.5: 1.25 μg/m3
PM10: 1.45 μg/m3
Carbon Monoxide: 122.85 μg/m3
Nitrogen Dioxide: 1.25 μg/m3
Sulphur Dioxide: 0.85 μg/m3
Ozone: 81 μg/m3

Astronomical

Sunrise: 5:53 AM
Sun Transit: 1:19 PM
Sunset: 8:46 PM
Daylight: 14 hrs 53 mins
Moonrise: 6:58 AM
Moon Transit: 3:23 PM
Moonset: 11:48 PM
Moon Phase: New
Moon Illumination: 2.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:53 PM - 5:23 PM

Minor Periods

12:00 AM - 12:00 AM
6:28 AM - 7:58 AM

Action Rating: 3 out of 5

Monday, May 18, 2026

Weather Forecast

Patchy rain nearby
45.5°F
21.8°F
34.4°F
57%
0.02 in
86%
15%
10.3 mph
5.8


Air Quality

AQI: 1 - Good
PM2.5: 2.81 μg/m3
PM10: 3.67 μg/m3
Carbon Monoxide: 123.53 μg/m3
Nitrogen Dioxide: 1.16 μg/m3
Sulphur Dioxide: 1.18 μg/m3
Ozone: 97.08 μg/m3

Astronomical

Sunrise: 5:53 AM
Sun Transit: 1:19 PM
Sunset: 8:46 PM
Daylight: 14 hrs 53 mins
Moonrise: 6:58 AM
Moon Transit: 3:23 PM
Moonset: 11:48 PM
Moon Phase: New
Moon Illumination: 2.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:53 PM - 5:23 PM

Minor Periods

12:00 AM - 12:00 AM
6:28 AM - 7:58 AM

Action Rating: 3 out of 5

Tuesday, May 19, 2026

Weather Forecast

Patchy rain nearby
48.3°F
17.8°F
34.2°F
58%
0.04 in
88%
0%
11.4 mph
6.9


Air Quality

AQI: 1 - Good
PM2.5: 3.33 μg/m3
PM10: 4.22 μg/m3
Carbon Monoxide: 120.21 μg/m3
Nitrogen Dioxide: 1.63 μg/m3
Sulphur Dioxide: 1.03 μg/m3
Ozone: 94.84 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 1:19 PM
Sunset: 8:47 PM
Daylight: 14 hrs 55 mins
Moonrise: 8:08 AM
Moon Transit: 4:29 PM
Moonset: 12:48 AM
Moon Phase: Waxing Crescent
Moon Illumination: 7.4%

Best Times for Fishing or Hunting

Major Periods

12:34 AM - 3:04 AM
3:59 PM - 6:29 PM

Minor Periods

7:38 AM - 9:08 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, May 20, 2026

Weather Forecast

Patchy rain nearby
53.7°F
25.4°F
39.8°F
61%
0.1 in
87%
6%
13.4 mph
6.9


Air Quality

AQI: 1 - Good
PM2.5: 3.5 μg/m3
PM10: 4.85 μg/m3
Carbon Monoxide: 117.17 μg/m3
Nitrogen Dioxide: 1.84 μg/m3
Sulphur Dioxide: 1.07 μg/m3
Ozone: 98.96 μg/m3

Astronomical

Sunrise: 5:51 AM
Sun Transit: 1:19 PM
Sunset: 8:48 PM
Daylight: 14 hrs 57 mins
Moonrise: 9:26 AM
Moon Transit: 5:31 PM
Moonset: 12:42 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.4%

Best Times for Fishing or Hunting

Major Periods

1:38 AM - 4:08 AM
5:01 PM - 7:31 PM

Minor Periods

8:56 AM - 10:26 AM
12:12 AM - 1:42 AM

Action Rating: 2 out of 5

Thursday, May 21, 2026

Weather Forecast

Patchy rain nearby
55.5°F
23.6°F
41.2°F
77%
0.05 in
80%
6%
13.6 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 3.59 μg/m3
PM10: 6.39 μg/m3
Carbon Monoxide: 120.95 μg/m3
Nitrogen Dioxide: 1.78 μg/m3
Sulphur Dioxide: 1.01 μg/m3
Ozone: 97.88 μg/m3

Astronomical

Sunrise: 5:50 AM
Sun Transit: 1:19 PM
Sunset: 8:49 PM
Daylight: 14 hrs 59 mins
Moonrise: 10:47 AM
Moon Transit: 6:26 PM
Moonset: 1:21 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.2%

Best Times for Fishing or Hunting

Major Periods

2:37 AM - 5:07 AM
5:56 PM - 8:26 PM

Minor Periods

10:17 AM - 11:47 AM
12:51 AM - 2:21 AM

Action Rating: 3 out of 5

Friday, May 22, 2026

Weather Forecast

Patchy rain nearby
58.7°F
22.1°F
36.8°F
81%
0.05 in
87%
9%
13 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 2.79 μg/m3
PM10: 4.81 μg/m3
Carbon Monoxide: 137.17 μg/m3
Nitrogen Dioxide: 1.97 μg/m3
Sulphur Dioxide: 0.95 μg/m3
Ozone: 93.92 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 1:19 PM
Sunset: 8:50 PM
Daylight: 15 hrs 1 mins
Moonrise: 12:04 AM
Moon Transit: 7:17 PM
Moonset: 1:51 AM
Moon Phase: Waxing Crescent
Moon Illumination: 33.4%

Best Times for Fishing or Hunting

Major Periods

3:31 AM - 6:01 AM
6:47 PM - 9:17 PM

Minor Periods

11:34 AM - 1:04 PM
1:21 AM - 2:51 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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