Water Temperature of Flat Creek in Jackson, WY

Current Water Temperature

46.0°F

Measurement Time: Monday, May 18, 2026, 3:45 PM 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

30.5°F
Clear
Clear
28.4°F
30.5°F
77%
E 2.9 mph
5.5 mph
28.4°F
25.1°F
0 in
9%
6 mi
1020 mbar
0

Five Day Weather Forecast

Moderate or heavy snow showers
Mon
H: 38°F
L: 26°F
Patchy rain nearby
Tue
H: 47°F
L: 23°F
Patchy rain nearby
Wed
H: 51°F
L: 29°F
Moderate rain
Thu
H: 45°F
L: 34°F
Sunny
Fri
H: 55°F
L: 30°F

Air Quality

AQI: 1 - Good
PM2.5: 2.25 μg/m3
PM10: 2.55 μg/m3
Carbon Monoxide: 148.85 μg/m3
Nitrogen Dioxide: 5.15 μg/m3
Sulphur Dioxide: 0.85 μg/m3
Ozone: 75 μg/m3

Astronomical

Sunrise: 5:55 AM
Sun Transit: 1:19 PM
Sunset: 8:45 PM
Daylight: 14 hrs 49 mins
Moonrise: 7:02 AM
Moon Transit: 3:24 PM
Moonset: 11:46 PM
Moon Phase: New
Moon Illumination: 2.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:54 PM - 5:24 PM

Minor Periods

12:00 AM - 12:00 AM
6:32 AM - 8:02 AM

Action Rating: 3 out of 5

Freeze Warning issued May 18 at 12:09PM MDT until May 19 at 9:00AM MDT by NWS Pocatello ID

Effective: Mon May 18, 2026, 12:09 PM
Expires: Tue May 19, 2026, 5:00 AM

* WHAT...Sub-freezing temperatures as low as 20 expected. * WHERE...Arco/Mud Lake Desert and Upper Snake River Plain. * WHEN...From midnight tonight to 9 AM MDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Take steps now to protect tender plants from the cold.
Monday, May 18, 2026

Weather Forecast

Moderate or heavy snow showers
38.2°F
26.2°F
31.8°F
68%
0.14 in
95%
33%
13.2 mph
5.9


Air Quality

AQI: 1 - Good
PM2.5: 3.14 μg/m3
PM10: 4.3 μg/m3
Carbon Monoxide: 125.93 μg/m3
Nitrogen Dioxide: 1.23 μg/m3
Sulphur Dioxide: 1.23 μg/m3
Ozone: 99.96 μg/m3

Astronomical

Sunrise: 5:55 AM
Sun Transit: 1:19 PM
Sunset: 8:45 PM
Daylight: 14 hrs 49 mins
Moonrise: 7:02 AM
Moon Transit: 3:24 PM
Moonset: 11:46 PM
Moon Phase: New
Moon Illumination: 2.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:54 PM - 5:24 PM

Minor Periods

12:00 AM - 12:00 AM
6:32 AM - 8:02 AM

Action Rating: 3 out of 5

Tuesday, May 19, 2026

Weather Forecast

Patchy rain nearby
46.9°F
22.6°F
35.3°F
60%
0.01 in
87%
0%
5.6 mph
7.1


Air Quality

AQI: 1 - Good
PM2.5: 2.77 μg/m3
PM10: 3.44 μg/m3
Carbon Monoxide: 133.61 μg/m3
Nitrogen Dioxide: 2.42 μg/m3
Sulphur Dioxide: 1.03 μg/m3
Ozone: 94.64 μg/m3

Astronomical

Sunrise: 5:54 AM
Sun Transit: 1:19 PM
Sunset: 8:46 PM
Daylight: 14 hrs 51 mins
Moonrise: 8:12 AM
Moon Transit: 4:30 PM
Moonset: 12:46 AM
Moon Phase: Waxing Crescent
Moon Illumination: 7.4%

Best Times for Fishing or Hunting

Major Periods

12:33 AM - 3:03 AM
4:00 PM - 6:30 PM

Minor Periods

7:42 AM - 9:12 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, May 20, 2026

Weather Forecast

Patchy rain nearby
51.2°F
28.5°F
40.3°F
63%
0.15 in
82%
6%
12.5 mph
6.9


Air Quality

AQI: 1 - Good
PM2.5: 3.49 μg/m3
PM10: 4.73 μg/m3
Carbon Monoxide: 129.61 μg/m3
Nitrogen Dioxide: 2.26 μg/m3
Sulphur Dioxide: 1.12 μg/m3
Ozone: 99.08 μg/m3

Astronomical

Sunrise: 5:54 AM
Sun Transit: 1:19 PM
Sunset: 8:47 PM
Daylight: 14 hrs 53 mins
Moonrise: 9:30 AM
Moon Transit: 5:31 PM
Moonset: 12:40 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.4%

Best Times for Fishing or Hunting

Major Periods

1:38 AM - 4:08 AM
5:01 PM - 7:31 PM

Minor Periods

9:00 AM - 10:30 AM
12:10 AM - 1:40 AM

Action Rating: 2 out of 5

Thursday, May 21, 2026

Weather Forecast

Moderate rain
44.9°F
33.7°F
37.9°F
85%
0.48 in
86%
3%
6.3 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 3.55 μg/m3
PM10: 6.77 μg/m3
Carbon Monoxide: 136.94 μg/m3
Nitrogen Dioxide: 2.35 μg/m3
Sulphur Dioxide: 1.06 μg/m3
Ozone: 102.08 μg/m3

Astronomical

Sunrise: 5:53 AM
Sun Transit: 1:19 PM
Sunset: 8:48 PM
Daylight: 14 hrs 55 mins
Moonrise: 10:49 AM
Moon Transit: 6:27 PM
Moonset: 1:19 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.2%

Best Times for Fishing or Hunting

Major Periods

2:37 AM - 5:07 AM
5:57 PM - 8:27 PM

Minor Periods

10:19 AM - 11:49 AM
12:49 AM - 2:19 AM

Action Rating: 3 out of 5

Friday, May 22, 2026

Weather Forecast

Sunny
55.3°F
29.8°F
42.5°F
63%
0 in
0%
0%
6.3 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 2.85 μg/m3
PM10: 4.78 μg/m3
Carbon Monoxide: 140.12 μg/m3
Nitrogen Dioxide: 2.2 μg/m3
Sulphur Dioxide: 0.95 μg/m3
Ozone: 96.54 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 1:19 PM
Sunset: 8:49 PM
Daylight: 14 hrs 57 mins
Moonrise: 12:06 AM
Moon Transit: 7:17 PM
Moonset: 1:50 AM
Moon Phase: Waxing Crescent
Moon Illumination: 33.4%

Best Times for Fishing or Hunting

Major Periods

3:30 AM - 6:00 AM
6:47 PM - 9:17 PM

Minor Periods

11:36 AM - 1:06 PM
1:20 AM - 2:50 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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