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

Current Water Temperature

37.4°F

Measurement Time: Thursday, April 30, 2026, 4:05 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

32.5°F
Overcast
Overcast
27.2°F
32.4°F
86%
E 5.6 mph
6.4 mph
27.6°F
24.7°F
0.01 in
100%
9 mi
1021 mbar
3.1

Five Day Weather Forecast

Moderate or heavy snow in area with thunder
Thu
H: 34°F
L: 17°F
Patchy rain nearby
Fri
H: 44°F
L: 15°F
Sunny
Sat
H: 54°F
L: 21°F
Patchy rain nearby
Sun
H: 56°F
L: 30°F
Moderate rain
Mon
H: 52°F
L: 32°F

Air Quality

AQI: 1 - Good
PM2.5: 4.45 μg/m3
PM10: 5.05 μg/m3
Carbon Monoxide: 151.85 μg/m3
Nitrogen Dioxide: 2.35 μg/m3
Sulphur Dioxide: 0.95 μg/m3
Ozone: 101 μg/m3

Astronomical

Sunrise: 6:03 AM
Sun Transit: 1:00 PM
Sunset: 7:57 PM
Daylight: 13 hrs 54 mins
Moonrise: 7:23 PM
Moon Transit: 12:00 AM
Moonset: 5:11 AM
Moon Phase: Full
Moon Illumination: 99.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:33 AM - 12:03 AM

Minor Periods

6:53 PM - 8:23 PM
4:41 AM - 6:11 AM

Action Rating: 5 out of 5

Winter Weather Advisory issued April 29 at 12:22PM MDT until May 1 at 6:00AM MDT by NWS Denver CO

Effective: Wed April 29, 2026, 12:22 PM
Expires: Thu April 30, 2026, 6:00 AM

* WHAT...Snow expected. Total snow accumulations between 5 and 13 inches. The heaviest amounts will be in the Front Range Mountains south of I-70 and in the Mosquito Range. Lighter snow totals can be expected west of the Front Range including the valleys of Summit County. * WHERE...Rocky Mountain National Park and the Medicine Bow Range, the Mountains of Summit County, the Mosquito Range, the Indian Peaks, and South Park. * WHEN...From 6 AM Thursday to 6 AM MDT Friday. * IMPACTS...Travel could be hazardous due to slushy and snow covered roads at times. The hazardous conditions will impact the Thursday evening commute.

Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org.


Winter Weather Advisory issued April 29 at 11:31PM MDT until May 1 at 6:00AM MDT by NWS Denver CO

Effective: Wed April 29, 2026, 11:31 PM
Expires: Thu April 30, 2026, 3:45 PM

* WHAT...Snow expected. Total snow accumulations between 5 and 13 inches. The heaviest amounts will be in the Front Range Mountains south of I-70 and in the Mosquito Range. Lighter snow totals can be expected west of the Front Range including the valleys of Summit County. * WHERE...Rocky Mountain National Park and the Medicine Bow Range, the Mountains of Summit County, the Mosquito Range, the Indian Peaks, and South Park. * WHEN...From 6 AM Thursday to 6 AM MDT Friday. * IMPACTS...Travel could be hazardous due to slushy and snow covered roads at times. The hazardous conditions will impact the Thursday evening commute.

Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org. Roads will be slick resulting in slow and hazardous travel. Allow extra time to reach your destination.
Thursday, April 30, 2026

Weather Forecast

Moderate or heavy snow in area with thunder
34.3°F
16.7°F
29°F
85%
0.52 in
97%
62%
6.5 mph
5


Air Quality

AQI: 1 - Good
PM2.5: 7.23 μg/m3
PM10: 9.99 μg/m3
Carbon Monoxide: 148.25 μg/m3
Nitrogen Dioxide: 4.07 μg/m3
Sulphur Dioxide: 1.17 μg/m3
Ozone: 117.56 μg/m3

Astronomical

Sunrise: 6:03 AM
Sun Transit: 1:00 PM
Sunset: 7:57 PM
Daylight: 13 hrs 54 mins
Moonrise: 7:23 PM
Moon Transit: 12:00 AM
Moonset: 5:11 AM
Moon Phase: Full
Moon Illumination: 99.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:33 AM - 12:03 AM

Minor Periods

6:53 PM - 8:23 PM
4:41 AM - 6:11 AM

Action Rating: 5 out of 5

Friday, May 1, 2026

Weather Forecast

Patchy rain nearby
44.4°F
14.9°F
31.5°F
69%
0.07 in
89%
18%
6.5 mph
8.7


Air Quality

AQI: 1 - Good
PM2.5: 4.19 μg/m3
PM10: 5.29 μg/m3
Carbon Monoxide: 144.89 μg/m3
Nitrogen Dioxide: 4.82 μg/m3
Sulphur Dioxide: 1.22 μg/m3
Ozone: 107.32 μg/m3

Astronomical

Sunrise: 6:02 AM
Sun Transit: 1:00 PM
Sunset: 7:58 PM
Daylight: 13 hrs 56 mins
Moonrise: 8:28 PM
Moon Transit: 12:33 AM
Moonset: 5:36 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:03 AM - 2:33 AM
10:17 AM - 12:47 AM

Minor Periods

7:58 PM - 9:28 PM
5:06 AM - 6:36 AM

Action Rating: 4 out of 5

Saturday, May 2, 2026

Weather Forecast

Sunny
54.2°F
20.5°F
37.2°F
51%
0 in
0%
0%
8.1 mph
9.9


Air Quality

AQI: 1 - Good
PM2.5: 6.75 μg/m3
PM10: 10.71 μg/m3
Carbon Monoxide: 148.77 μg/m3
Nitrogen Dioxide: 4.05 μg/m3
Sulphur Dioxide: 1.53 μg/m3
Ozone: 121.2 μg/m3

Astronomical

Sunrise: 6:00 AM
Sun Transit: 1:00 PM
Sunset: 7:59 PM
Daylight: 13 hrs 59 mins
Moonrise: 9:31 PM
Moon Transit: 1:19 AM
Moonset: 6:05 AM
Moon Phase: Full
Moon Illumination: 98.4%

Best Times for Fishing or Hunting

Major Periods

12:49 AM - 3:19 AM
11:04 AM - 1:34 PM

Minor Periods

9:01 PM - 10:31 PM
5:35 AM - 7:05 AM

Action Rating: 4 out of 5

Sunday, May 3, 2026

Weather Forecast

Patchy rain nearby
55.6°F
30.2°F
42.1°F
51%
0.01 in
70%
0%
11.2 mph
7.4


Air Quality

AQI: 1 - Good
PM2.5: 5.56 μg/m3
PM10: 8.38 μg/m3
Carbon Monoxide: 150.95 μg/m3
Nitrogen Dioxide: 4.09 μg/m3
Sulphur Dioxide: 1.64 μg/m3
Ozone: 126.64 μg/m3

Astronomical

Sunrise: 5:59 AM
Sun Transit: 1:00 PM
Sunset: 8:00 PM
Daylight: 14 hrs 1 mins
Moonrise: 10:32 PM
Moon Transit: 2:07 AM
Moonset: 6:39 AM
Moon Phase: Full
Moon Illumination: 94.4%

Best Times for Fishing or Hunting

Major Periods

1:37 AM - 4:07 AM
11:53 AM - 2:23 PM

Minor Periods

10:02 PM - 11:32 PM
6:09 AM - 7:39 AM

Action Rating: 4 out of 5

Monday, May 4, 2026

Weather Forecast

Moderate rain
52.4°F
32.3°F
40.2°F
72%
0.73 in
85%
0%
7.6 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 5.62 μg/m3
PM10: 8.76 μg/m3
Carbon Monoxide: 156.23 μg/m3
Nitrogen Dioxide: 5.28 μg/m3
Sulphur Dioxide: 1.43 μg/m3
Ozone: 122.77 μg/m3

Astronomical

Sunrise: 5:58 AM
Sun Transit: 1:00 PM
Sunset: 8:01 PM
Daylight: 14 hrs 3 mins
Moonrise: 11:28 PM
Moon Transit: 2:57 AM
Moonset: 7:20 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.0%

Best Times for Fishing or Hunting

Major Periods

2:27 AM - 4:57 AM
12:43 AM - 3:13 PM

Minor Periods

12:00 AM - 12:00 AM
6:50 AM - 8:20 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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