Water Temperature of the Snake River in Flagg Ranch, WY

Current Water Temperature

66.6°F

Measurement Time: Friday, July 18, 2025, 11:30 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 / 2,078 meters

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

68.2°F
Thundery outbreaks in nearby
Conditions: Thundery outbreaks in nearby
Humidity: 45%
Feels Like: 68.2°F
Wind: NNW 8.5 mph
Wind Gusts: 9.8 mph
Pressure: 30.18 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 1.3

Five Day Weather Forecast

Patchy rain nearby
Fri
H: 78°F
L: 47°F
Sunny
Sat
H: 76°F
L: 46°F
Sunny
Sun
H: 76°F
L: 44°F
Partly Cloudy
Mon
H: 76°F
L: 48°F
Partly Cloudy
Tue
H: 78°F
L: 45°F

Air Quality

AQI: 1 - Good
PM2.5: 13.51 μg/m3
PM10: 18.13 μg/m3
Carbon Monoxide: 255.3 μg/m3
Nitrogen Dioxide: 7.4 μg/m3
Sulphur Dioxide: 0.37 μg/m3
Ozone: 109 μg/m3

Astronomical

Sunrise: 5:57 AM
Sun Transit: 1:29 PM
Sunset: 9:01 PM
Daylight: 15 hrs 4 mins
Moonrise: 12:25 AM
Moon Transit: 7:35 AM
Moonset: 3:02 PM
Moon Phase: Last Quarter
Moon Illumination: 33.4%

Best Times for Fishing or Hunting

Major Periods

7:05 AM - 9:35 AM
4:40 PM - 7:10 PM

Minor Periods

2:32 PM - 4:02 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Red Flag Warning issued July 18 at 1:40AM MDT until July 19 at 12:00AM MDT by NWS Pocatello ID

Effective: Fri July 18, 2025, 1:40 AM
Expires: Fri July 18, 2025, 3:00 PM

...RED FLAG WARNING IN EFFECT 1PM TO MIDNIGHT MDT FRIDAY FOR SCATTERED THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR IDAHO FIRE WEATHER ZONES 427 AND 413... * AFFECTED AREA...Fire Weather Zone 413 Caribou Range/Caribou NF and Fire Weather Zone 427 Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls BLM south of the Snake River. * IMPACTS...Critical fire weather conditions are expected this afternoon. Lightning may generate new fire starts. Any new fire starts or existing fires may spread rapidly. * THUNDERSTORMS...25 to 45 percent coverage expected. * OUTFLOW WINDS...A dry low level environment will promote the potential for storms to produce gusty outflow wind gusts in excess of 40 mph, locally higher to 50 mph.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly based on these criteria for Southeastern Idaho: - Relative humidity at or below 15 percent and wind gusts of at least 25 mph in the mountains, or 30 mph in the Snake Plain. - Thunderstorm coverage of 25 percent, without specific rainfall criteria. - Other high impact events deemed critical by the National Weather Service and area fire management agencies.


Red Flag Warning issued July 18 at 1:40AM MDT until July 19 at 12:00AM MDT by NWS Pocatello ID

Effective: Fri July 18, 2025, 1:40 AM
Expires: Fri July 18, 2025, 3:00 PM

...RED FLAG WARNING IN EFFECT 1PM TO MIDNIGHT MDT FRIDAY FOR SCATTERED THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR IDAHO FIRE WEATHER ZONES 427 AND 413... * AFFECTED AREA...Fire Weather Zone 413 Caribou Range/Caribou NF and Fire Weather Zone 427 Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls BLM south of the Snake River. * IMPACTS...Critical fire weather conditions are expected this afternoon. Lightning may generate new fire starts. Any new fire starts or existing fires may spread rapidly. * THUNDERSTORMS...25 to 45 percent coverage expected. * OUTFLOW WINDS...A dry low level environment will promote the potential for storms to produce gusty outflow wind gusts in excess of 40 mph, locally higher to 50 mph.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly based on these criteria for Southeastern Idaho: - Relative humidity at or below 15 percent and wind gusts of at least 25 mph in the mountains, or 30 mph in the Snake Plain. - Thunderstorm coverage of 25 percent, without specific rainfall criteria. - Other high impact events deemed critical by the National Weather Service and area fire management agencies.


Friday, July 18, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 62.9°F
Average Humidity: 46%
Chance of Rain: 84%
Wind: 13.9 mph
UV Index: 2.5

Air Quality

AQI: 1 - Good
PM2.5: 12.86 μg/m3
PM10: 17.88 μg/m3
Carbon Monoxide: 270.99 μg/m3
Nitrogen Dioxide: 5.41 μg/m3
Sulphur Dioxide: 0.47 μg/m3
Ozone: 116.56 μg/m3

Astronomical

Sunrise: 5:57 AM
Sun Transit: 1:29 PM
Sunset: 9:01 PM
Daylight: 15 hrs 4 mins
Moonrise: 12:25 AM
Moon Transit: 7:35 AM
Moonset: 3:02 PM
Moon Phase: Last Quarter
Moon Illumination: 33.4%

Best Times for Fishing or Hunting

Major Periods

7:05 AM - 9:35 AM
4:40 PM - 7:10 PM

Minor Periods

2:32 PM - 4:02 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Saturday, July 19, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 61.6°F
Average Humidity: 54%
Chance of Rain: 0%
Wind: 19.5 mph
UV Index: 2.8

Air Quality

AQI: 1 - Good
PM2.5: 13.93 μg/m3
PM10: 21.53 μg/m3
Carbon Monoxide: 249.53 μg/m3
Nitrogen Dioxide: 4 μg/m3
Sulphur Dioxide: 0.49 μg/m3
Ozone: 116.92 μg/m3

Astronomical

Sunrise: 5:58 AM
Sun Transit: 1:29 PM
Sunset: 9:00 PM
Daylight: 15 hrs 2 mins
Moonrise: 12:52 AM
Moon Transit: 8:29 AM
Moonset: 4:23 PM
Moon Phase: Last Quarter
Moon Illumination: 23.2%

Best Times for Fishing or Hunting

Major Periods

7:59 AM - 10:29 AM
5:36 PM - 8:06 PM

Minor Periods

3:53 PM - 5:23 PM
12:22 AM - 1:52 AM

Action Rating: 2 out of 5

Sunday, July 20, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 62.2°F
Average Humidity: 33%
Chance of Rain: 0%
Wind: 18.3 mph
UV Index: 2.9

Air Quality

AQI: 1 - Good
PM2.5: 9.12 μg/m3
PM10: 19.93 μg/m3
Carbon Monoxide: 221.48 μg/m3
Nitrogen Dioxide: 3.62 μg/m3
Sulphur Dioxide: 0.49 μg/m3
Ozone: 103.4 μg/m3

Astronomical

Sunrise: 5:59 AM
Sun Transit: 1:29 PM
Sunset: 8:59 PM
Daylight: 15 hrs 1 mins
Moonrise: 1:25 AM
Moon Transit: 9:27 AM
Moonset: 5:43 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.4%

Best Times for Fishing or Hunting

Major Periods

8:57 AM - 11:27 AM
6:36 PM - 9:06 PM

Minor Periods

5:13 PM - 6:43 PM
12:55 AM - 2:25 AM

Action Rating: 3 out of 5

Monday, July 21, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 63.4°F
Average Humidity: 37%
Chance of Rain: 0%
Wind: 14.1 mph
UV Index: 2.5

Air Quality

AQI: 1 - Good
PM2.5: 9.09 μg/m3
PM10: 24.98 μg/m3
Carbon Monoxide: 210.16 μg/m3
Nitrogen Dioxide: 3.97 μg/m3
Sulphur Dioxide: 0.56 μg/m3
Ozone: 110 μg/m3

Astronomical

Sunrise: 6:00 AM
Sun Transit: 1:29 PM
Sunset: 8:58 PM
Daylight: 14 hrs 59 mins
Moonrise: 2:09 AM
Moon Transit: 10:29 AM
Moonset: 6:56 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.4%

Best Times for Fishing or Hunting

Major Periods

7:39 PM - 10:09 PM
9:59 AM - 12:29 AM

Minor Periods

6:26 PM - 7:56 PM
1:39 AM - 3:09 AM

Action Rating: 2 out of 5

Tuesday, July 22, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 62.5°F
Average Humidity: 32%
Chance of Rain: 0%
Wind: 12.1 mph
UV Index: 2.4

Air Quality

AQI: 1 - Good
PM2.5: 8.55 μg/m3
PM10: 14.81 μg/m3
Carbon Monoxide: 233.67 μg/m3
Nitrogen Dioxide: 5.93 μg/m3
Sulphur Dioxide: 0.63 μg/m3
Ozone: 115.54 μg/m3

Astronomical

Sunrise: 6:01 AM
Sun Transit: 1:29 PM
Sunset: 8:57 PM
Daylight: 14 hrs 57 mins
Moonrise: 3:06 AM
Moon Transit: 11:33 AM
Moonset: 7:58 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.6%

Best Times for Fishing or Hunting

Major Periods

8:42 PM - 11:12 PM
11:03 AM - 1:33 PM

Minor Periods

7:28 PM - 8:58 PM
2:36 AM - 4:06 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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