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

Current Water Temperature

35.6°F

Measurement Time: Wednesday, May 6, 2026, 4:05 PM 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

30.6°F
Clear
Clear
20.8°F
16.3°F
64%
W 12.3 mph
25.8 mph
3.1°F
11.4°F
0 in
0%
9 mi
1022 mbar
0

Five Day Weather Forecast

Moderate or heavy snow showers
Wed
H: 33°F
L: 15°F
Patchy rain nearby
Thu
H: 47°F
L: 15°F
Patchy rain nearby
Fri
H: 54°F
L: 28°F
Patchy rain nearby
Sat
H: 56°F
L: 30°F
Patchy rain nearby
Sun
H: 59°F
L: 28°F

Air Quality

AQI: 1 - Good
PM2.5: 4.25 μg/m3
PM10: 5.15 μg/m3
Carbon Monoxide: 128.85 μg/m3
Nitrogen Dioxide: 1.95 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 131 μg/m3

Astronomical

Sunrise: 5:55 AM
Sun Transit: 12:58 AM
Sunset: 8:03 PM
Daylight: 14 hrs 8 mins
Moonrise: 12:18 AM
Moon Transit: 4:39 AM
Moonset: 9:04 AM
Moon Phase: Waning Gibbous
Moon Illumination: 70.0%

Best Times for Fishing or Hunting

Major Periods

4:09 AM - 6:39 AM
2:26 PM - 4:56 PM

Minor Periods

8:34 AM - 10:04 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Freeze Warning issued May 6 at 1:26PM MDT until May 7 at 8:00AM MDT by NWS Denver CO

Effective: Wed May 6, 2026, 1:26 PM
Expires: Thu May 7, 2026, 8:00 AM

* WHAT...Low temperatures of 28-32 degrees expected, with the coldest readings in valley locations on the eastern plains. * WHERE...All of the plains and I-25 Corridor in northeast and east central Colorado. * WHEN...From 8 PM this evening to 8 AM MDT Thursday. * 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, and ensure above ground sprinkler systems are drained.
Wednesday, May 6, 2026

Weather Forecast

Moderate or heavy snow showers
32.8°F
15°F
23.2°F
91%
0.45 in
81%
72%
13.2 mph
7.9


Air Quality

AQI: 1 - Good
PM2.5: 3.98 μg/m3
PM10: 4.49 μg/m3
Carbon Monoxide: 143.69 μg/m3
Nitrogen Dioxide: 2.99 μg/m3
Sulphur Dioxide: 1.19 μg/m3
Ozone: 102 μg/m3

Astronomical

Sunrise: 5:55 AM
Sun Transit: 12:58 AM
Sunset: 8:03 PM
Daylight: 14 hrs 8 mins
Moonrise: 12:18 AM
Moon Transit: 4:39 AM
Moonset: 9:04 AM
Moon Phase: Waning Gibbous
Moon Illumination: 70.0%

Best Times for Fishing or Hunting

Major Periods

4:09 AM - 6:39 AM
2:26 PM - 4:56 PM

Minor Periods

8:34 AM - 10:04 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, May 7, 2026

Weather Forecast

Patchy rain nearby
46.9°F
15°F
31.9°F
86%
0.11 in
91%
5%
14.1 mph
8.6


Air Quality

AQI: 1 - Good
PM2.5: 4.9 μg/m3
PM10: 6.39 μg/m3
Carbon Monoxide: 134.93 μg/m3
Nitrogen Dioxide: 2.72 μg/m3
Sulphur Dioxide: 1.31 μg/m3
Ozone: 129.44 μg/m3

Astronomical

Sunrise: 5:54 AM
Sun Transit: 12:58 AM
Sunset: 8:04 PM
Daylight: 14 hrs 10 mins
Moonrise: 1:00 AM
Moon Transit: 5:30 AM
Moonset: 10:05 AM
Moon Phase: Waning Gibbous
Moon Illumination: 59.1%

Best Times for Fishing or Hunting

Major Periods

5:00 AM - 7:30 AM
3:15 PM - 5:45 PM

Minor Periods

9:35 AM - 11:05 AM
12:30 AM - 2:00 AM

Action Rating: 2 out of 5

Friday, May 8, 2026

Weather Forecast

Patchy rain nearby
54°F
27.8°F
40.7°F
73%
0.02 in
88%
12%
10.7 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 5.61 μg/m3
PM10: 10.46 μg/m3
Carbon Monoxide: 130.29 μg/m3
Nitrogen Dioxide: 2.31 μg/m3
Sulphur Dioxide: 1.17 μg/m3
Ozone: 122.6 μg/m3

Astronomical

Sunrise: 5:53 AM
Sun Transit: 12:58 AM
Sunset: 8:05 PM
Daylight: 14 hrs 12 mins
Moonrise: 1:35 AM
Moon Transit: 6:18 AM
Moonset: 11:08 AM
Moon Phase: Last Quarter
Moon Illumination: 47.9%

Best Times for Fishing or Hunting

Major Periods

5:48 AM - 8:18 AM
4:03 PM - 6:33 PM

Minor Periods

10:38 AM - 12:08 AM
1:05 AM - 2:35 AM

Action Rating: 3 out of 5

Saturday, May 9, 2026

Weather Forecast

Patchy rain nearby
56°F
30.2°F
42.6°F
58%
0.01 in
68%
9%
20.6 mph
2


Air Quality

AQI: 1 - Good
PM2.5: 3.67 μg/m3
PM10: 7.44 μg/m3
Carbon Monoxide: 140.2 μg/m3
Nitrogen Dioxide: 3.19 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 124.4 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 12:58 AM
Sunset: 8:06 PM
Daylight: 14 hrs 14 mins
Moonrise: 2:05 AM
Moon Transit: 7:05 AM
Moonset: 12:14 AM
Moon Phase: Last Quarter
Moon Illumination: 36.7%

Best Times for Fishing or Hunting

Major Periods

6:35 AM - 9:05 AM
4:49 PM - 7:19 PM

Minor Periods

11:44 AM - 1:14 PM
1:35 AM - 3:05 AM

Action Rating: 2 out of 5

Sunday, May 10, 2026

Weather Forecast

Patchy rain nearby
58.9°F
27.5°F
44.4°F
60%
0.01 in
79%
3%
8.1 mph
2


Air Quality

AQI: 1 - Good
PM2.5: 4.2 μg/m3
PM10: 8.12 μg/m3
Carbon Monoxide: 156.77 μg/m3
Nitrogen Dioxide: 4.96 μg/m3
Sulphur Dioxide: 1.37 μg/m3
Ozone: 128.92 μg/m3

Astronomical

Sunrise: 5:51 AM
Sun Transit: 12:58 AM
Sunset: 8:07 PM
Daylight: 14 hrs 16 mins
Moonrise: 2:31 AM
Moon Transit: 7:50 AM
Moonset: 1:19 PM
Moon Phase: Last Quarter
Moon Illumination: 26.2%

Best Times for Fishing or Hunting

Major Periods

7:20 AM - 9:50 AM
5:34 PM - 8:04 PM

Minor Periods

12:49 AM - 2:19 PM
2:01 AM - 3:31 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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