Water Temperature of the Snake River in Flagg Ranch, WY

Current Water Temperature

56.1°F

Measurement Time: Tuesday, June 16, 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

63°F
Clear
Clear
63°F
43.1°F
30%
WNW 4.5 mph
9.4 mph
39.9°F
31.9°F
0 in
0%
9 mi
1012 mbar
0

Five Day Weather Forecast

Sunny
Wed
H: 68°F
L: 37°F
Sunny
Thu
H: 68°F
L: 32°F
Sunny
Fri
H: 76°F
L: 41°F
Moderate rain
Sat
H: 61°F
L: 41°F
Moderate rain
Sun
H: 61°F
L: 40°F

Air Quality

AQI: 1 - Good
PM2.5: 2.9 μg/m3
PM10: 12.1 μg/m3
Carbon Monoxide: 103 μg/m3
Nitrogen Dioxide: 2.3 μg/m3
Sulphur Dioxide: 0.1 μg/m3
Ozone: 73 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:23 PM
Sunset: 9:08 PM
Daylight: 15 hrs 30 mins
Moonrise: 8:23 AM
Moon Transit: 4:14 PM
Moonset: 12:15 AM
Moon Phase: Waxing Crescent
Moon Illumination: 4.6%

Best Times for Fishing or Hunting

Major Periods

12:22 AM - 2:52 AM
3:44 PM - 6:14 PM

Minor Periods

7:53 AM - 9:23 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Red Flag Warning issued June 16 at 2:13AM MDT until June 16 at 9:00PM MDT by NWS Riverton WY

Effective: Tue June 16, 2026, 2:13 AM
Expires: Tue June 16, 2026, 9:00 PM

* IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and Strong Gusty Winds could cause erratic fire behavior. * AFFECTED AREA: In Central WY...Fire Weather Zone 280. * COUNTIES AFFECTED: In Central WY...Natrona. * WIND: West-northwest 20 to 30 mph with gusts up to 40 mph. * HUMIDITY: As low as 12 percent. * TEMPERATURES: Highs in the upper 80s to near 90 degrees.

A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior.
Wednesday, June 17, 2026

Weather Forecast

Sunny
67.6°F
36.8°F
53.7°F
43%
0 in
1%
0%
14.8 mph
11.2


Air Quality

AQI: 1 - Good
PM2.5: 3.26 μg/m3
PM10: 6.77 μg/m3
Carbon Monoxide: 108.54 μg/m3
Nitrogen Dioxide: 1.14 μg/m3
Sulphur Dioxide: 0.18 μg/m3
Ozone: 101.58 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:23 PM
Sunset: 9:08 PM
Daylight: 15 hrs 30 mins
Moonrise: 8:23 AM
Moon Transit: 4:14 PM
Moonset: 12:15 AM
Moon Phase: Waxing Crescent
Moon Illumination: 4.6%

Best Times for Fishing or Hunting

Major Periods

12:22 AM - 2:52 AM
3:44 PM - 6:14 PM

Minor Periods

7:53 AM - 9:23 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, June 18, 2026

Weather Forecast

Sunny
68.1°F
31.8°F
51.5°F
47%
0 in
2%
0%
10.5 mph
10.8


Air Quality

AQI: 1 - Good
PM2.5: 1.78 μg/m3
PM10: 2.59 μg/m3
Carbon Monoxide: 97.79 μg/m3
Nitrogen Dioxide: 1.54 μg/m3
Sulphur Dioxide: 0.2 μg/m3
Ozone: 100.75 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:23 PM
Sunset: 9:09 PM
Daylight: 15 hrs 30 mins
Moonrise: 9:44 AM
Moon Transit: 5:08 PM
Moonset: 12:50 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.4%

Best Times for Fishing or Hunting

Major Periods

1:20 AM - 3:50 AM
4:38 PM - 7:08 PM

Minor Periods

9:14 AM - 10:44 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Friday, June 19, 2026

Weather Forecast

Sunny
76°F
40.7°F
58.7°F
37%
0 in
1%
0%
11 mph
10.8


Air Quality

AQI: 1 - Good
PM2.5: 2.02 μg/m3
PM10: 3.99 μg/m3
Carbon Monoxide: 101.29 μg/m3
Nitrogen Dioxide: 2.62 μg/m3
Sulphur Dioxide: 0.16 μg/m3
Ozone: 95.67 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:24 PM
Sunset: 9:09 PM
Daylight: 15 hrs 30 mins
Moonrise: 11:02 AM
Moon Transit: 5:57 PM
Moonset: 12:17 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.3%

Best Times for Fishing or Hunting

Major Periods

2:12 AM - 4:42 AM
5:27 PM - 7:57 PM

Minor Periods

10:32 AM - 12:02 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Saturday, June 20, 2026

Weather Forecast

Moderate rain
61.1°F
41.4°F
52.5°F
74%
0.5 in
79%
0%
12.3 mph
10.2


Air Quality

AQI: 1 - Good
PM2.5: 3.31 μg/m3
PM10: 7.72 μg/m3
Carbon Monoxide: 104.78 μg/m3
Nitrogen Dioxide: 2.3 μg/m3
Sulphur Dioxide: 0.15 μg/m3
Ozone: 89.33 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:24 PM
Sunset: 9:09 PM
Daylight: 15 hrs 30 mins
Moonrise: 12:15 AM
Moon Transit: 6:43 PM
Moonset: 12:40 AM
Moon Phase: Waxing Crescent
Moon Illumination: 27.8%

Best Times for Fishing or Hunting

Major Periods

3:00 AM - 5:30 AM
6:13 PM - 8:43 PM

Minor Periods

11:45 AM - 1:15 PM
12:10 AM - 1:40 AM

Action Rating: 4 out of 5

Sunday, June 21, 2026

Weather Forecast

Moderate rain
60.8°F
40.4°F
49.1°F
85%
0.3 in
83%
0%
4.5 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 3.31 μg/m3
PM10: 6.34 μg/m3
Carbon Monoxide: 118.71 μg/m3
Nitrogen Dioxide: 3.09 μg/m3
Sulphur Dioxide: 0.1 μg/m3
Ozone: 87.29 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:24 PM
Sunset: 9:09 PM
Daylight: 15 hrs 30 mins
Moonrise: 1:23 PM
Moon Transit: 7:26 PM
Moonset: 12:59 AM
Moon Phase: First Quarter
Moon Illumination: 38.5%

Best Times for Fishing or Hunting

Major Periods

3:44 AM - 6:14 AM
6:56 PM - 9:26 PM

Minor Periods

12:53 AM - 2:23 PM
12:29 AM - 1:59 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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