Water Temperature of the Snake River in Flagg Ranch, WY

Current Water Temperature

40.1°F

Measurement Time: Sunday, April 12, 2026, 8:30 AM 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

50.2°F
Partly cloudy
Partly cloudy
45.8°F
47°F
50%
SSW 11.4 mph
13.5 mph
40.9°F
32.7°F
0 in
50%
9 mi
1008 mbar
4.9

Five Day Weather Forecast

Cloudy
Sun
H: 49°F
L: 26°F
Cloudy
Mon
H: 42°F
L: 24°F
Cloudy
Tue
H: 41°F
L: 25°F
Heavy snow
Wed
H: 36°F
L: 27°F
Moderate or heavy snow in area with thunder
Thu
H: 33°F
L: 10°F

Air Quality

AQI: 1 - Good
PM2.5: 9.25 μg/m3
PM10: 45.45 μg/m3
Carbon Monoxide: 127.85 μg/m3
Nitrogen Dioxide: 1.95 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 112 μg/m3

Astronomical

Sunrise: 6:44 AM
Sun Transit: 1:23 PM
Sunset: 8:03 PM
Daylight: 13 hrs 19 mins
Moonrise: 4:35 AM
Moon Transit: 9:33 AM
Moonset: 2:42 PM
Moon Phase: Waning Crescent
Moon Illumination: 12.6%

Best Times for Fishing or Hunting

Major Periods

6:35 PM - 9:05 PM
9:03 AM - 11:33 AM

Minor Periods

2:12 PM - 3:42 PM
4:05 AM - 5:35 AM

Action Rating: 2 out of 5

Sunday, April 12, 2026

Weather Forecast

Cloudy
48.9°F
25.5°F
37°F
75%
0 in
0%
0%
13.9 mph
1.3


Air Quality

AQI: 1 - Good
PM2.5: 4.7 μg/m3
PM10: 12.56 μg/m3
Carbon Monoxide: 118.57 μg/m3
Nitrogen Dioxide: 1.65 μg/m3
Sulphur Dioxide: 1.13 μg/m3
Ozone: 104.88 μg/m3

Astronomical

Sunrise: 6:44 AM
Sun Transit: 1:23 PM
Sunset: 8:03 PM
Daylight: 13 hrs 19 mins
Moonrise: 4:35 AM
Moon Transit: 9:33 AM
Moonset: 2:42 PM
Moon Phase: Waning Crescent
Moon Illumination: 12.6%

Best Times for Fishing or Hunting

Major Periods

6:35 PM - 9:05 PM
9:03 AM - 11:33 AM

Minor Periods

2:12 PM - 3:42 PM
4:05 AM - 5:35 AM

Action Rating: 2 out of 5

Monday, April 13, 2026

Weather Forecast

Cloudy
41.7°F
24.1°F
32.1°F
69%
0 in
0%
0%
16.6 mph
1.4


Air Quality

AQI: 1 - Good
PM2.5: 4.13 μg/m3
PM10: 15.45 μg/m3
Carbon Monoxide: 129.85 μg/m3
Nitrogen Dioxide: 1.49 μg/m3
Sulphur Dioxide: 1.19 μg/m3
Ozone: 106.16 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 1:23 PM
Sunset: 8:05 PM
Daylight: 13 hrs 22 mins
Moonrise: 4:57 AM
Moon Transit: 10:19 AM
Moonset: 3:54 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.1%

Best Times for Fishing or Hunting

Major Periods

7:21 PM - 9:51 PM
9:49 AM - 12:19 AM

Minor Periods

3:24 PM - 4:54 PM
4:27 AM - 5:57 AM

Action Rating: 2 out of 5

Tuesday, April 14, 2026

Weather Forecast

Cloudy
40.6°F
25°F
32.5°F
69%
0 in
0%
0%
14.1 mph
1.2


Air Quality

AQI: 1 - Good
PM2.5: 2.81 μg/m3
PM10: 7.29 μg/m3
Carbon Monoxide: 138.93 μg/m3
Nitrogen Dioxide: 1.95 μg/m3
Sulphur Dioxide: 1.3 μg/m3
Ozone: 101.32 μg/m3

Astronomical

Sunrise: 6:41 AM
Sun Transit: 1:22 PM
Sunset: 8:06 PM
Daylight: 13 hrs 25 mins
Moonrise: 5:16 AM
Moon Transit: 12:00 AM
Moonset: 5:06 PM
Moon Phase: Waning Crescent
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
8:07 PM - 10:37 PM

Minor Periods

4:36 PM - 6:06 PM
4:46 AM - 6:16 AM

Action Rating: 4 out of 5

Wednesday, April 15, 2026

Weather Forecast

Heavy snow
36°F
27°F
33°F
92%
1 in
69%
31%
12.1 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 2.61 μg/m3
PM10: 5.18 μg/m3
Carbon Monoxide: 138.19 μg/m3
Nitrogen Dioxide: 1.78 μg/m3
Sulphur Dioxide: 0.93 μg/m3
Ozone: 95.8 μg/m3

Astronomical

Sunrise: 6:39 AM
Sun Transit: 1:22 PM
Sunset: 8:07 PM
Daylight: 13 hrs 28 mins
Moonrise: 5:36 AM
Moon Transit: 9:33 AM
Moonset: 6:22 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

9:03 AM - 11:33 AM
9:03 AM - 11:33 AM

Minor Periods

5:52 PM - 7:22 PM
5:06 AM - 6:36 AM

Action Rating: 3 out of 5

Thursday, April 16, 2026

Weather Forecast

Moderate or heavy snow in area with thunder
33.3°F
10°F
30.3°F
95%
0.64 in
60%
60%
13 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 1.78 μg/m3
PM10: 6.13 μg/m3
Carbon Monoxide: 144.83 μg/m3
Nitrogen Dioxide: 1.7 μg/m3
Sulphur Dioxide: 0.91 μg/m3
Ozone: 99.62 μg/m3

Astronomical

Sunrise: 6:38 AM
Sun Transit: 1:22 PM
Sunset: 8:08 PM
Daylight: 13 hrs 31 mins
Moonrise: 5:57 AM
Moon Transit: 12:40 AM
Moonset: 7:40 PM
Moon Phase: New
Moon Illumination: 0.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:10 AM - 2:40 PM

Minor Periods

7:10 PM - 8:40 PM
5:27 AM - 6:57 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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