Water Temperature of Flat Creek in Jackson, WY

Current Water Temperature

55.4°F

Measurement Time: Tuesday, April 21, 2026, 9:45 AM MDT

Temperature Locations

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Flat Creek

Station Name: FLAT CREEK BELOW CACHE CREEK, NEAR JACKSON, WY
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 6,116 feet

Nearest Address:
1670 High School Rd
Jackson, WY 83001
Teton County

GPS Coordinates: 43.4583611, -110.7970278

Nearby Water Temperatures

Cache Creek, Jackson, WY (4.7 mi)
Fish Creek, Wilson, WY (4.7 mi)
Snake River, Jackson, WY (6.6 mi)
Hoback River, Hoback, WY (12.1 mi)
Snake River, Moose, WY (14.1 mi)
Snake River, Moran, WY (29.6 mi)
Buffalo Fork River, Moran, WY (31.7 mi)
Blackrock Creek, Moran, WY (39.2 mi)
Snake River, Flagg Ranch, WY (44.7 mi)
Pine Creek, Pinedale, WY (59.5 mi)
Firehole River, Yellowstone National Park, WY (69.2 mi)
Firehole River, Yellowstone National Park, WY (80.3 mi)
Gibbon River, Yellowstone National Park, WY (81.8 mi)
Madison River, West Yellowstone, MT (83.9 mi)
Tantalus Creek, Yellowstone National Park, WY (88.1 mi)

Weather for Jackson, Wyoming

Current Weather

63.2°F
Partly Cloudy
Partly Cloudy
63.2°F
63.2°F
23%
SSW 11.6 mph
14.5 mph
63.2°F
25.6°F
0 in
36%
6 mi
1004 mbar
4

Five Day Weather Forecast

Patchy rain nearby
Tue
H: 64°F
L: 41°F
Moderate rain
Wed
H: 41°F
L: 30°F
Moderate or heavy snow showers
Thu
H: 34°F
L: 25°F
Moderate or heavy snow showers
Fri
H: 33°F
L: 14°F
Moderate or heavy snow showers
Sat
H: 38°F
L: 20°F

Air Quality

AQI: 1 - Good
PM2.5: 4.15 μg/m3
PM10: 9.45 μg/m3
Carbon Monoxide: 189.85 μg/m3
Nitrogen Dioxide: 3.65 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 101 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 1:21 PM
Sunset: 8:14 PM
Daylight: 13 hrs 43 mins
Moonrise: 9:18 AM
Moon Transit: 5:41 PM
Moonset: 12:59 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.8%

Best Times for Fishing or Hunting

Major Periods

1:44 AM - 4:14 AM
5:11 PM - 7:41 PM

Minor Periods

8:48 AM - 10:18 AM
12:29 AM - 1:59 AM

Action Rating: 2 out of 5

Winter Weather Advisory issued April 21 at 1:56AM MDT until April 24 at 12:00AM MDT by NWS Pocatello ID

Effective: Tue April 21, 2026, 1:56 AM
Expires: Tue April 21, 2026, 3:00 PM

* WHAT...Snow expected ABOVE 6500 FEET ELEVATION. Total snow accumulations between 2 and 14 inches. Winds gusting as high as 40 mph. * WHERE...Big Hole Mountains, Centennial Mountains - Island Park, Bear River Range, and Caribou Range. * WHEN...From noon Wednesday to midnight MDT Thursday Night. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact travel from Wednesday afternoon through Thursday evening.

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 April 21 at 2:45AM MDT until April 23 at 11:00PM MDT by NWS Riverton WY

Effective: Tue April 21, 2026, 2:45 AM
Expires: Tue April 21, 2026, 6:00 PM

* WHAT...Snow expected. Total snow accumulations between 6 and 12 inches with the highest amounts across southwestern portions of the Park. Winds gusting as high as 40 mph. * WHERE...Yellowstone National Park. * WHEN...From noon Wednesday to 11 PM MDT Thursday. * IMPACTS...Travel could be very difficult.

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 current road conditions across Yellowstone National Park, visit https://nps.gov/yellowstone .


Winter Weather Advisory issued April 21 at 2:45AM MDT until April 23 at 11:00PM MDT by NWS Riverton WY

Effective: Tue April 21, 2026, 2:45 AM
Expires: Tue April 21, 2026, 6:00 PM

* WHAT...Snow expected. Total snow accumulations generally between 6 and 12 inches with locally higher amounts to 18 inches across the Tetons. Winds gusting as high as 45 mph. * WHERE...Teton and Gros Ventre Mountains. * WHEN...From noon Wednesday to 11 PM MDT Thursday. * IMPACTS...Travel could be very difficult, including over Teton Pass and Togwotee Pass.

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 April 21 at 12:09PM MDT until April 23 at 11:00PM MDT by NWS Riverton WY

Effective: Tue April 21, 2026, 12:09 PM
Expires: Wed April 22, 2026, 7:00 AM

* WHAT...Snow expected. Total snow accumulations generally between 6 and 12 inches with locally higher amounts to 18 inches across the Tetons. Winds gusting as high as 45 mph. * WHERE...Teton and Gros Ventre Mountains. * WHEN...From noon Wednesday to 11 PM MDT Thursday. * IMPACTS...Travel could be very difficult, including over Teton Pass and Togwotee Pass.

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 April 21 at 12:09PM MDT until April 23 at 11:00PM MDT by NWS Riverton WY

Effective: Tue April 21, 2026, 12:09 PM
Expires: Wed April 22, 2026, 7:00 AM

* WHAT...Snow expected. Total snow accumulations between 6 and 12 inches with the highest amounts across southwestern portions of the Park. Winds gusting as high as 40 mph. * WHERE...Yellowstone National Park. * WHEN...From noon Wednesday to 11 PM MDT Thursday. * IMPACTS...Travel could be very difficult. * ADDITIONAL DETAILS...Total snow amounts up to 3 inches at Mammoth.

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 current road conditions across Yellowstone National Park, visit https://nps.gov/yellowstone.
Tuesday, April 21, 2026

Weather Forecast

Patchy rain nearby
64°F
40.5°F
51.3°F
45%
0.03 in
90%
0%
13.4 mph
7.6


Air Quality

AQI: 1 - Good
PM2.5: 3.44 μg/m3
PM10: 8.77 μg/m3
Carbon Monoxide: 151.85 μg/m3
Nitrogen Dioxide: 2.43 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 108.44 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 1:21 PM
Sunset: 8:14 PM
Daylight: 13 hrs 43 mins
Moonrise: 9:18 AM
Moon Transit: 5:41 PM
Moonset: 12:59 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.8%

Best Times for Fishing or Hunting

Major Periods

1:44 AM - 4:14 AM
5:11 PM - 7:41 PM

Minor Periods

8:48 AM - 10:18 AM
12:29 AM - 1:59 AM

Action Rating: 2 out of 5

Wednesday, April 22, 2026

Weather Forecast

Moderate rain
41.3°F
29.5°F
38.4°F
70%
0.3 in
89%
18%
15.4 mph
4.8


Air Quality

AQI: 1 - Good
PM2.5: 5.29 μg/m3
PM10: 21.09 μg/m3
Carbon Monoxide: 158.13 μg/m3
Nitrogen Dioxide: 2.16 μg/m3
Sulphur Dioxide: 1.16 μg/m3
Ozone: 110.32 μg/m3

Astronomical

Sunrise: 6:29 AM
Sun Transit: 1:21 PM
Sunset: 8:15 PM
Daylight: 13 hrs 46 mins
Moonrise: 10:30 AM
Moon Transit: 6:43 PM
Moonset: 1:59 AM
Moon Phase: Waxing Crescent
Moon Illumination: 28.4%

Best Times for Fishing or Hunting

Major Periods

2:49 AM - 5:19 AM
6:13 PM - 8:43 PM

Minor Periods

10:00 AM - 11:30 AM
1:29 AM - 2:59 AM

Action Rating: 3 out of 5

Thursday, April 23, 2026

Weather Forecast

Moderate or heavy snow showers
33.5°F
24.7°F
28.9°F
86%
0.74 in
85%
79%
16.1 mph
6.3


Air Quality

AQI: 1 - Good
PM2.5: 1.33 μg/m3
PM10: 1.88 μg/m3
Carbon Monoxide: 143.65 μg/m3
Nitrogen Dioxide: 1.48 μg/m3
Sulphur Dioxide: 0.93 μg/m3
Ozone: 110.96 μg/m3

Astronomical

Sunrise: 6:28 AM
Sun Transit: 1:21 PM
Sunset: 8:16 PM
Daylight: 13 hrs 48 mins
Moonrise: 11:46 AM
Moon Transit: 7:40 PM
Moonset: 2:46 AM
Moon Phase: First Quarter
Moon Illumination: 39.1%

Best Times for Fishing or Hunting

Major Periods

3:49 AM - 6:19 AM
7:10 PM - 9:40 PM

Minor Periods

11:16 AM - 12:46 AM
2:16 AM - 3:46 AM

Action Rating: 3 out of 5

Friday, April 24, 2026

Weather Forecast

Moderate or heavy snow showers
33.1°F
14.3°F
24.5°F
87%
0.28 in
61%
61%
10.3 mph
5.8


Air Quality

AQI: 1 - Good
PM2.5: 2.72 μg/m3
PM10: 3.93 μg/m3
Carbon Monoxide: 140.91 μg/m3
Nitrogen Dioxide: 1.85 μg/m3
Sulphur Dioxide: 1.07 μg/m3
Ozone: 125.52 μg/m3

Astronomical

Sunrise: 6:26 AM
Sun Transit: 1:21 PM
Sunset: 8:17 PM
Daylight: 13 hrs 51 mins
Moonrise: 1:03 PM
Moon Transit: 8:32 PM
Moonset: 3:20 AM
Moon Phase: First Quarter
Moon Illumination: 50.4%

Best Times for Fishing or Hunting

Major Periods

4:44 AM - 7:14 AM
8:02 PM - 10:32 PM

Minor Periods

12:33 AM - 2:03 PM
2:50 AM - 4:20 AM

Action Rating: 3 out of 5

Saturday, April 25, 2026

Weather Forecast

Moderate or heavy snow showers
37.7°F
20°F
28.9°F
88%
0.14 in
84%
23%
4.5 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 2.48 μg/m3
PM10: 3.2 μg/m3
Carbon Monoxide: 141.98 μg/m3
Nitrogen Dioxide: 2.12 μg/m3
Sulphur Dioxide: 1.03 μg/m3
Ozone: 116.46 μg/m3

Astronomical

Sunrise: 6:25 AM
Sun Transit: 1:21 PM
Sunset: 8:19 PM
Daylight: 13 hrs 54 mins
Moonrise: 2:17 PM
Moon Transit: 9:20 PM
Moonset: 3:48 AM
Moon Phase: First Quarter
Moon Illumination: 61.6%

Best Times for Fishing or Hunting

Major Periods

5:35 AM - 8:05 AM
8:50 PM - 11:20 PM

Minor Periods

1:47 PM - 3:17 PM
3:18 AM - 4:48 AM

Action Rating: 2 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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