Water Temperature of the Lamar River in Yellowstone National Park, WY

Current Water Temperature

53.6°F

Measurement Time: Monday, September 15, 2025, 6:15 PM MDT

Temperature Locations

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Local Points of Interest

Yellowstone River; Buffalo Ford, WY; Tower Junction, WY; Cody, WY

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Lamar River

Station Name: Lamar River nr Tower Ranger Station YNP
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 6,024 feet / 1,836 meters

Nearest Address:
Tower Ranger Station
Yellowstone National Park, WY 82190
Park County

GPS Coordinates: 44.92817778, -110.3942694

Nearby Water Temperatures

Boiling River Hot Springs, Yellowstone National Park, WY (15.0 mi)
Tantalus Creek, Yellowstone National Park, WY (20.7 mi)
Yellowstone River, Corwin Springs, MT (23.3 mi)
Gibbon River, Yellowstone National Park, WY (30.3 mi)
Firehole River, Yellowstone National Park, WY (31.3 mi)
Madison River, West Yellowstone, MT (38.0 mi)
Firehole River, Yellowstone National Park, WY (38.6 mi)
West Rosebud Creek, Roscoe, MT (40.7 mi)
Madison River, Grayling, MT (46.4 mi)
Madison River, Cameron, MT (58.1 mi)
Snake River, Flagg Ranch, WY (58.9 mi)
Madison River, Ennis, MT (69.5 mi)
Madison River, Norris, MT (71.8 mi)
Snake River, Moran, WY (74.5 mi)
Buffalo Fork River, Moran, WY (75.4 mi)

Weather for Yellowstone National Park, Wyoming

Current Weather

34°F
Fog
Conditions: Fog
Humidity: 85%
Feels Like: 31.4°F
Wind: NNW 3.1 mph
Wind Gusts: 5.3 mph
Pressure: 30.35 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 3 mi
UV Index: 0

Five Day Weather Forecast

Heavy rain
Tue
H: 48°F
L: 38°F
Moderate rain
Wed
H: 50°F
L: 34°F
Partly Cloudy
Thu
H: 58°F
L: 27°F
Sunny
Fri
H: 65°F
L: 40°F
Patchy rain nearby
Sat
H: 58°F
L: 45°F

Air Quality

PM2.5: 6.66 μg/m3
PM10: 7.03 μg/m3
Carbon Monoxide: 238.65 μg/m3
Nitrogen Dioxide: 6.29 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 76 μg/m3

Astronomical

Sunrise: 7:02 AM
Sun Transit: 1:16 PM
Sunset: 7:29 PM
Daylight: 12 hrs 28 mins
Moonrise: 12:57 AM
Moon Transit: 9:17 AM
Moonset: 5:24 PM
Moon Phase: Last Quarter
Moon Illumination: 23.8%

Best Times for Fishing or Hunting

Major Periods

8:47 AM - 11:17 AM
6:25 PM - 8:55 PM

Minor Periods

4:54 PM - 6:24 PM
12:27 AM - 1:57 AM

Action Rating: 2 out of 5

Winter Weather Advisory issued September 15 at 8:02PM MDT until September 17 at 12:00AM MDT by NWS Billings MT

Effective: Mon September 15, 2025, 8:02 PM
Expires: Tue September 16, 2025, 8:15 PM

* WHAT...Wet snow over the Beartooth Highway above 10000 feet. One to three inches of accumulation expected. * WHERE...Absaroka/Beartooth Mountains. * WHEN...Until midnight MDT Tuesday Night. * IMPACTS...Travel will be impacted on the highest points of the Beartooth Highway, above Vista Point, due to snow and poor visibility. * ADDITIONAL DETAILS...Heaviest snow is expected to fall late tonight to Tuesday evening.

Slow down and use caution while traveling. For the latest road conditions, call 5 1 1.
Tuesday, September 16, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 42.6°F
Average Humidity: 92%
Chance of Rain: 88%
Wind: 7.4 mph
UV Index: 0.4

Air Quality

AQI: 1 - Good
PM2.5: 4.54 μg/m3
PM10: 4.91 μg/m3
Carbon Monoxide: 256.26 μg/m3
Nitrogen Dioxide: 4.53 μg/m3
Sulphur Dioxide: 0.04 μg/m3
Ozone: 90.12 μg/m3

Astronomical

Sunrise: 7:02 AM
Sun Transit: 1:16 PM
Sunset: 7:29 PM
Daylight: 12 hrs 28 mins
Moonrise: 12:57 AM
Moon Transit: 9:17 AM
Moonset: 5:24 PM
Moon Phase: Last Quarter
Moon Illumination: 23.8%

Best Times for Fishing or Hunting

Major Periods

8:47 AM - 11:17 AM
6:25 PM - 8:55 PM

Minor Periods

4:54 PM - 6:24 PM
12:27 AM - 1:57 AM

Action Rating: 2 out of 5

Wednesday, September 17, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 43.8°F
Average Humidity: 87%
Chance of Rain: 85%
Wind: 9.2 mph
UV Index: 1.3

Air Quality

AQI: 1 - Good
PM2.5: 6.92 μg/m3
PM10: 7.32 μg/m3
Carbon Monoxide: 261.81 μg/m3
Nitrogen Dioxide: 3.66 μg/m3
Sulphur Dioxide: 0.04 μg/m3
Ozone: 87.88 μg/m3

Astronomical

Sunrise: 7:03 AM
Sun Transit: 1:15 PM
Sunset: 7:28 PM
Daylight: 12 hrs 24 mins
Moonrise: 2:12 AM
Moon Transit: 10:11 AM
Moonset: 5:56 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.9%

Best Times for Fishing or Hunting

Major Periods

7:18 PM - 9:48 PM
9:41 AM - 12:11 AM

Minor Periods

5:26 PM - 6:56 PM
1:42 AM - 3:12 AM

Action Rating: 3 out of 5

Thursday, September 18, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 42.3°F
Average Humidity: 69%
Chance of Rain: 0%
Wind: 3.4 mph
UV Index: 1.6

Air Quality

AQI: 1 - Good
PM2.5: 5.22 μg/m3
PM10: 5.82 μg/m3
Carbon Monoxide: 234.14 μg/m3
Nitrogen Dioxide: 5.55 μg/m3
Sulphur Dioxide: 0.2 μg/m3
Ozone: 84.2 μg/m3

Astronomical

Sunrise: 7:04 AM
Sun Transit: 1:15 PM
Sunset: 7:26 PM
Daylight: 12 hrs 21 mins
Moonrise: 3:27 AM
Moon Transit: 11:01 AM
Moonset: 6:20 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.8%

Best Times for Fishing or Hunting

Major Periods

8:06 PM - 10:36 PM
10:31 AM - 1:01 PM

Minor Periods

5:50 PM - 7:20 PM
2:57 AM - 4:27 AM

Action Rating: 3 out of 5

Friday, September 19, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 51°F
Average Humidity: 41%
Chance of Rain: 0%
Wind: 5.6 mph
UV Index: 1.6

Air Quality

AQI: 1 - Good
PM2.5: 6.06 μg/m3
PM10: 6.73 μg/m3
Carbon Monoxide: 273.52 μg/m3
Nitrogen Dioxide: 8.44 μg/m3
Sulphur Dioxide: 0.27 μg/m3
Ozone: 73.08 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 1:15 PM
Sunset: 7:24 PM
Daylight: 12 hrs 18 mins
Moonrise: 4:40 AM
Moon Transit: 11:47 AM
Moonset: 6:40 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.8%

Best Times for Fishing or Hunting

Major Periods

8:51 PM - 11:21 PM
11:17 AM - 1:47 PM

Minor Periods

6:10 PM - 7:40 PM
4:10 AM - 5:40 AM

Action Rating: 3 out of 5

Saturday, September 20, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 49.5°F
Average Humidity: 52%
Chance of Rain: 76%
Wind: 13.2 mph
UV Index: 0

Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 1:14 PM
Sunset: 7:22 PM
Daylight: 12 hrs 15 mins
Moonrise: 5:50 AM
Moon Transit: 12:30 AM
Moonset: 6:57 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 2:30 PM

Minor Periods

6:27 PM - 7:57 PM
5:20 AM - 6:50 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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