Water Temperature of the Big Thompson River in Estes Park, CO

Current Water Temperature

59.4°F

Measurement Time: Saturday, July 18, 2026, 5:05 AM MDT

Temperature Locations

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Big Thompson River

Station Name: BIG THOMPSON BL MORAINE PARK NR ESTES PARK, CO
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 8,025 feet

Nearest Address:
Moraine Park Rd
Estes Park, CO 80517
Larimer County

GPS Coordinates: 40.3538611, -105.5841389

Nearby Water Temperatures

Fraser River, Tabernash, CO (27.7 mi)
Fraser River, Tabernash, CO (28.3 mi)
South Boulder Creek, Eldorado Springs, CO (32.5 mi)
South Platte River, Denver, CO (49.9 mi)
South Platte River, Englewood, CO (56.6 mi)
Yampa River, Steamboat Springs, CO (66.3 mi)
South Platte River, Roxborough Park, CO (68.7 mi)
Colorado River, Burns, CO (73.3 mi)
Eagle River, Edwards, CO (75.2 mi)
Encampment River, Encampment, WY (79.8 mi)
Eagle River, Gypsum, CO (87.7 mi)
Halfmoon Creek, Twin Lakes, CO (92.2 mi)
Arkansas River, Granite, CO (97.6 mi)
Roaring Fork River, Aspen, CO (103.3 mi)
Roaring Fork River, Basalt, CO (104.5 mi)

Weather for Estes Park, Colorado

Current Weather

74.8°F
Sunny
Sunny
62.4°F
75.8°F
34%
E 9.4 mph
10.8 mph
74.8°F
44.5°F
0 in
2%
6 mi
1017 mbar
9.2

Five Day Weather Forecast

Sunny
Sat
H: 78°F
L: 50°F
Sunny
Sun
H: 82°F
L: 52°F
Sunny
Mon
H: 85°F
L: 56°F
Sunny
Tue
H: 81°F
L: 50°F
Sunny
Wed
H: 81°F
L: 52°F

Air Quality

AQI: 1 - Good
PM2.5: 3.9 μg/m3
PM10: 5.1 μg/m3
Carbon Monoxide: 105 μg/m3
Nitrogen Dioxide: 0.6 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 119 μg/m3

Astronomical

Sunrise: 5:48 AM
Sun Transit: 1:08 PM
Sunset: 8:29 PM
Daylight: 14 hrs 42 mins
Moonrise: 10:47 AM
Moon Transit: 5:00 PM
Moonset: 11:01 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.9%

Best Times for Fishing or Hunting

Major Periods

1:58 AM - 4:28 AM
4:30 PM - 7:00 PM

Minor Periods

12:00 AM - 12:00 AM
10:17 AM - 11:47 AM

Action Rating: 2 out of 5

Heat Advisory issued July 18 at 4:46AM MDT until July 20 at 9:00PM MDT by NWS Denver CO

Effective: Sat July 18, 2026, 4:46 AM
Expires: Sat July 18, 2026, 3:00 PM

* WHAT...High temperatures between 98-102 expected on Sunday and Monday. Low temperatures Sunday night will be between 68-71 in the Denver metro. * WHERE...Fort Collins, Boulder, the Denver metro, and Greeley. * WHEN...From 10 AM Sunday to 9 PM MDT Monday. * IMPACTS...Hot temperatures may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.


Saturday, July 18, 2026

Weather Forecast

Sunny
77.9°F
50.2°F
63.5°F
48%
0.02 in
36%
0%
11.9 mph
12.2


Air Quality

AQI: 1 - Good
PM2.5: 4.04 μg/m3
PM10: 4.76 μg/m3
Carbon Monoxide: 104.13 μg/m3
Nitrogen Dioxide: 3.73 μg/m3
Sulphur Dioxide: 0.38 μg/m3
Ozone: 92.42 μg/m3

Astronomical

Sunrise: 5:48 AM
Sun Transit: 1:08 PM
Sunset: 8:29 PM
Daylight: 14 hrs 42 mins
Moonrise: 10:47 AM
Moon Transit: 5:00 PM
Moonset: 11:01 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.9%

Best Times for Fishing or Hunting

Major Periods

1:58 AM - 4:28 AM
4:30 PM - 7:00 PM

Minor Periods

12:00 AM - 12:00 AM
10:17 AM - 11:47 AM

Action Rating: 2 out of 5

Sunday, July 19, 2026

Weather Forecast

Sunny
82.4°F
52°F
67.6°F
39%
0 in
2%
0%
11.6 mph
12.7


Air Quality

AQI: 1 - Good
PM2.5: 4.93 μg/m3
PM10: 5.89 μg/m3
Carbon Monoxide: 105.38 μg/m3
Nitrogen Dioxide: 4.28 μg/m3
Sulphur Dioxide: 0.42 μg/m3
Ozone: 96.96 μg/m3

Astronomical

Sunrise: 5:48 AM
Sun Transit: 1:08 PM
Sunset: 8:29 PM
Daylight: 14 hrs 40 mins
Moonrise: 11:53 AM
Moon Transit: 5:43 PM
Moonset: 12:01 AM
Moon Phase: Waxing Crescent
Moon Illumination: 22.6%

Best Times for Fishing or Hunting

Major Periods

2:43 AM - 5:13 AM
5:13 PM - 7:43 PM

Minor Periods

11:23 AM - 12:53 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Monday, July 20, 2026

Weather Forecast

Sunny
84.9°F
56°F
69°F
38%
0.01 in
17%
0%
14.3 mph
12


Air Quality

AQI: 1 - Good
PM2.5: 6.27 μg/m3
PM10: 7.16 μg/m3
Carbon Monoxide: 107.88 μg/m3
Nitrogen Dioxide: 4.89 μg/m3
Sulphur Dioxide: 0.33 μg/m3
Ozone: 97.33 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 1:08 PM
Sunset: 8:28 PM
Daylight: 14 hrs 39 mins
Moonrise: 12:58 AM
Moon Transit: 6:26 PM
Moonset: 12:23 AM
Moon Phase: Waxing Crescent
Moon Illumination: 32.7%

Best Times for Fishing or Hunting

Major Periods

3:26 AM - 5:56 AM
5:56 PM - 8:26 PM

Minor Periods

12:28 AM - 1:58 PM
12:00 AM - 12:00 AM

Action Rating: 4 out of 5

Tuesday, July 21, 2026

Weather Forecast

Sunny
81.4°F
50.4°F
64.4°F
52%
0.3 in
57%
0%
14.1 mph
12.6


Air Quality

AQI: 1 - Good
PM2.5: 3.46 μg/m3
PM10: 3.85 μg/m3
Carbon Monoxide: 109.36 μg/m3
Nitrogen Dioxide: 3.54 μg/m3
Sulphur Dioxide: 0.36 μg/m3
Ozone: 94.96 μg/m3

Astronomical

Sunrise: 5:50 AM
Sun Transit: 1:08 PM
Sunset: 8:27 PM
Daylight: 14 hrs 37 mins
Moonrise: 2:02 PM
Moon Transit: 7:10 PM
Moonset: 12:46 AM
Moon Phase: First Quarter
Moon Illumination: 43.7%

Best Times for Fishing or Hunting

Major Periods

4:10 AM - 6:40 AM
6:40 PM - 9:10 PM

Minor Periods

1:32 PM - 3:02 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, July 22, 2026

Weather Forecast

Sunny
80.7°F
51.6°F
63.1°F
62%
0.27 in
63%
0%
8.1 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 5.16 μg/m3
PM10: 5.37 μg/m3
Carbon Monoxide: 153.71 μg/m3
Nitrogen Dioxide: 7.17 μg/m3
Sulphur Dioxide: 0.37 μg/m3
Ozone: 78.14 μg/m3

Astronomical

Sunrise: 5:51 AM
Sun Transit: 1:08 PM
Sunset: 8:26 PM
Daylight: 14 hrs 36 mins
Moonrise: 3:06 PM
Moon Transit: 7:56 PM
Moonset: 12:12 AM
Moon Phase: First Quarter
Moon Illumination: 55.0%

Best Times for Fishing or Hunting

Major Periods

4:54 AM - 7:24 AM
7:26 PM - 9:56 PM

Minor Periods

2:36 PM - 4:06 PM
12:00 AM - 12:00 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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