Water Temperature of the Snake River in Flagg Ranch, WY

Current Water Temperature

35.2°F

Measurement Time: Tuesday, February 10, 2026, 7:30 PM MST

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

27°F
Freezing fog
Freezing fog
24.9°F
30.6°F
89%
SW 2.2 mph
2.3 mph
26.2°F
30.8°F
0 in
100%
0 mi
1020 mbar
0

Five Day Weather Forecast

Moderate or heavy snow showers
Wed
H: 35°F
L: 13°F
Partly Cloudy
Thu
H: 37°F
L: 25°F
Mist
Fri
H: 31°F
L: 19°F
Cloudy
Sat
H: 32°F
L: 16°F
Partly Cloudy
Sun
H: 35°F
L: 14°F

Air Quality

AQI: 1 - Good
PM2.5: 4.85 μg/m3
PM10: 5.75 μg/m3
Carbon Monoxide: 138.85 μg/m3
Nitrogen Dioxide: 3.45 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 90 μg/m3

Astronomical

Sunrise: 7:27 AM
Sun Transit: 12:36 AM
Sunset: 5:47 PM
Daylight: 10 hrs 20 mins
Moonrise: 3:45 AM
Moon Transit: 7:50 AM
Moonset: 11:54 AM
Moon Phase: Last Quarter
Moon Illumination: 20.5%

Best Times for Fishing or Hunting

Major Periods

7:20 AM - 9:50 AM
4:55 PM - 7:25 PM

Minor Periods

11:24 AM - 12:54 AM
3:15 AM - 4:45 AM

Action Rating: 3 out of 5

Winter Weather Advisory issued February 11 at 1:30AM MST until February 11 at 5:00PM MST by NWS Riverton WY

Effective: Wed February 11, 2026, 1:30 AM
Expires: Wed February 11, 2026, 5:00 PM

* WHAT...Snow expected. Snow accumulations of 4 to 10 inches across the Teton Mountains and the southern portions of the Gros Ventre Mountains. The highest peaks could see around 12 inches of snow. Snow accumulations of 2 to 5 inches across Togwotee Pass and 5 to 8 inches across Teton Pass. * WHERE...Teton and Gros Ventre Mountains. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Wednesday commutes, especially over Teton Pass. * ADDITIONAL DETAILS...The heaviest period of snow is expected Wednesday 6AM to 3PM, with possible snowfall rates of 0.5 inch/hour.

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 February 11 at 1:50AM MST until February 12 at 5:00PM MST by NWS Pocatello ID

Effective: Wed February 11, 2026, 1:50 AM
Expires: Wed February 11, 2026, 3:00 PM

* WHAT...Snow. Additional snow accumulations between 1 and 9 inches. * WHERE...Big Hole Mountains, Centennial Mountains - Island Park, and Caribou Range. * WHEN...Until 5 PM MST Thursday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Wednesday morning and evening commutes. * ADDITIONAL DETAILS...The storm arrived later than expected and will linger longer than previously thought.

Slow down and use caution while traveling. Call 5 1 1 or visit 511.idaho.gov for the latest road conditions.


Winter Weather Advisory issued February 11 at 2:49PM MST until February 12 at 5:00PM MST by NWS Pocatello ID

Effective: Wed February 11, 2026, 2:49 PM
Expires: Wed February 11, 2026, 11:00 PM

* WHAT...Snow. Additional snow accumulations of 1 to 3 inches. * WHERE...Big Hole Mountains, Centennial Mountains - Island Park, and Caribou Range. * WHEN...Until 5 PM MST Thursday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Wednesday evening and Thursday morning commutes.

Slow down and use caution while traveling. Call 5 1 1 or visit 511.idaho.gov for the latest road conditions.
Wednesday, February 11, 2026

Weather Forecast

Moderate or heavy snow showers
35.1°F
12.7°F
24.4°F
88%
0.13 in
73%
8%
3.1 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 4.01 μg/m3
PM10: 5.05 μg/m3
Carbon Monoxide: 134.41 μg/m3
Nitrogen Dioxide: 2.55 μg/m3
Sulphur Dioxide: 1.11 μg/m3
Ozone: 93.76 μg/m3

Astronomical

Sunrise: 7:27 AM
Sun Transit: 12:36 AM
Sunset: 5:47 PM
Daylight: 10 hrs 20 mins
Moonrise: 3:45 AM
Moon Transit: 7:50 AM
Moonset: 11:54 AM
Moon Phase: Last Quarter
Moon Illumination: 20.5%

Best Times for Fishing or Hunting

Major Periods

7:20 AM - 9:50 AM
4:55 PM - 7:25 PM

Minor Periods

11:24 AM - 12:54 AM
3:15 AM - 4:45 AM

Action Rating: 3 out of 5

Thursday, February 12, 2026

Weather Forecast

Partly Cloudy
36.7°F
24.5°F
29°F
91%
0 in
0%
0%
3.8 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 3.9 μg/m3
PM10: 4.49 μg/m3
Carbon Monoxide: 149.73 μg/m3
Nitrogen Dioxide: 2.83 μg/m3
Sulphur Dioxide: 1.13 μg/m3
Ozone: 92.92 μg/m3

Astronomical

Sunrise: 7:26 AM
Sun Transit: 12:36 AM
Sunset: 5:48 PM
Daylight: 10 hrs 22 mins
Moonrise: 4:42 AM
Moon Transit: 8:42 AM
Moonset: 12:44 AM
Moon Phase: Waning Crescent
Moon Illumination: 12.2%

Best Times for Fishing or Hunting

Major Periods

8:12 AM - 10:42 AM
5:47 PM - 8:17 PM

Minor Periods

12:14 AM - 1:44 PM
4:12 AM - 5:42 AM

Action Rating: 3 out of 5

Friday, February 13, 2026

Weather Forecast

Mist
30.6°F
19.3°F
25.1°F
91%
0 in
0%
0%
2.9 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 2.02 μg/m3
PM10: 2.21 μg/m3
Carbon Monoxide: 150.97 μg/m3
Nitrogen Dioxide: 2.16 μg/m3
Sulphur Dioxide: 0.91 μg/m3
Ozone: 96 μg/m3

Astronomical

Sunrise: 7:24 AM
Sun Transit: 12:36 AM
Sunset: 5:50 PM
Daylight: 10 hrs 25 mins
Moonrise: 5:30 AM
Moon Transit: 9:35 AM
Moonset: 1:43 PM
Moon Phase: Waning Crescent
Moon Illumination: 5.8%

Best Times for Fishing or Hunting

Major Periods

6:40 PM - 9:10 PM
9:05 AM - 11:35 AM

Minor Periods

1:13 PM - 2:43 PM
5:00 AM - 6:30 AM

Action Rating: 2 out of 5

Saturday, February 14, 2026

Weather Forecast

Cloudy
32°F
15.6°F
21.1°F
86%
0 in
0%
0%
3.1 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 3.04 μg/m3
PM10: 3.29 μg/m3
Carbon Monoxide: 139.91 μg/m3
Nitrogen Dioxide: 2.31 μg/m3
Sulphur Dioxide: 0.94 μg/m3
Ozone: 94.36 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 12:36 AM
Sunset: 5:51 PM
Daylight: 10 hrs 28 mins
Moonrise: 6:10 AM
Moon Transit: 10:27 AM
Moonset: 2:50 PM
Moon Phase: Waning Crescent
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

7:31 PM - 10:01 PM
9:57 AM - 12:27 AM

Minor Periods

2:20 PM - 3:50 PM
5:40 AM - 7:10 AM

Action Rating: 3 out of 5

Sunday, February 15, 2026

Weather Forecast

Partly Cloudy
35.3°F
13.8°F
22°F
83%
0 in
0%
0%
3.6 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 3.66 μg/m3
PM10: 4.29 μg/m3
Carbon Monoxide: 147.37 μg/m3
Nitrogen Dioxide: 2.58 μg/m3
Sulphur Dioxide: 0.97 μg/m3
Ozone: 99.23 μg/m3

Astronomical

Sunrise: 7:21 AM
Sun Transit: 12:36 AM
Sunset: 5:52 PM
Daylight: 10 hrs 31 mins
Moonrise: 6:43 AM
Moon Transit: 11:17 AM
Moonset: 4:00 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

8:20 PM - 10:50 PM
10:47 AM - 1:17 PM

Minor Periods

3:30 PM - 5:00 PM
6:13 AM - 7:43 AM

Action Rating: 3 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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