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

Current Water Temperature

48.6°F

Measurement Time: Sunday, March 29, 2026, 1:35 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

53.8°F
Sunny
Sunny
51.2°F
57.7°F
20%
W 8.5 mph
12.7 mph
56.8°F
25.6°F
0 in
0%
9 mi
1021 mbar
0

Five Day Weather Forecast

Sunny
Sun
H: 64°F
L: 45°F
Partly Cloudy
Mon
H: 62°F
L: 44°F
Moderate rain
Tue
H: 47°F
L: 38°F
Patchy rain nearby
Wed
H: 46°F
L: 24°F
Patchy rain nearby
Thu
H: 52°F
L: 21°F

Air Quality

AQI: 1 - Good
PM2.5: 4.95 μg/m3
PM10: 6.25 μg/m3
Carbon Monoxide: 125.85 μg/m3
Nitrogen Dioxide: 2.85 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 102 μg/m3

Astronomical

Sunrise: 6:51 AM
Sun Transit: 1:07 PM
Sunset: 7:24 PM
Daylight: 12 hrs 33 mins
Moonrise: 4:08 PM
Moon Transit: 11:00 PM
Moonset: 5:16 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 86.2%

Best Times for Fishing or Hunting

Major Periods

7:58 AM - 10:28 AM
12:00 AM - 12:00 AM

Minor Periods

3:38 PM - 5:08 PM
4:46 AM - 6:16 AM

Action Rating: 2 out of 5

Fire Weather Watch issued March 29 at 3:00AM MDT until March 30 at 8:00PM MDT by NWS Denver CO

Effective: Sun March 29, 2026, 3:00 AM
Expires: Sun March 29, 2026, 3:15 PM

The National Weather Service in Denver has issued a Fire Weather Watch for wind and low relative humidity, which is in effect from Monday morning through Monday evening. * AFFECTED AREA...Fire Weather Zones 215, 216, 238, 239, 240, 242 and 243. * TIMING...From Monday morning through Monday evening. * WINDS...West 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire.

A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.


Red Flag Warning issued March 29 at 12:19PM MDT until March 30 at 8:00PM MDT by NWS Denver CO

Effective: Sun March 29, 2026, 12:19 PM
Expires: Mon March 30, 2026, 12:15 AM

The National Weather Service in Denver has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 11 AM to 8 PM MDT Monday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zones 215, 216, 238, 239, 240, 242 and 243. * TIMING...From 11 AM to 8 PM MDT Monday. * WINDS...West 10 to 20 mph with gusts up to 30 mph in the plains and 40 mph in the foothills. * RELATIVE HUMIDITY...As low as 9 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire.

A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior.
Sunday, March 29, 2026

Weather Forecast

Sunny
64°F
45°F
53°F
37%
0 in
0%
0%
15 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 5.11 μg/m3
PM10: 9.98 μg/m3
Carbon Monoxide: 132.81 μg/m3
Nitrogen Dioxide: 2.87 μg/m3
Sulphur Dioxide: 1.38 μg/m3
Ozone: 110.56 μg/m3

Astronomical

Sunrise: 6:51 AM
Sun Transit: 1:07 PM
Sunset: 7:24 PM
Daylight: 12 hrs 33 mins
Moonrise: 4:08 PM
Moon Transit: 11:00 PM
Moonset: 5:16 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 86.2%

Best Times for Fishing or Hunting

Major Periods

7:58 AM - 10:28 AM
12:00 AM - 12:00 AM

Minor Periods

3:38 PM - 5:08 PM
4:46 AM - 6:16 AM

Action Rating: 2 out of 5

Monday, March 30, 2026

Weather Forecast

Partly Cloudy
61.7°F
44.4°F
52.3°F
33%
0 in
0%
0%
17.9 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 5.81 μg/m3
PM10: 8.49 μg/m3
Carbon Monoxide: 126.69 μg/m3
Nitrogen Dioxide: 2.78 μg/m3
Sulphur Dioxide: 1.36 μg/m3
Ozone: 111.56 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 1:06 PM
Sunset: 7:25 PM
Daylight: 12 hrs 35 mins
Moonrise: 5:16 PM
Moon Transit: 11:44 PM
Moonset: 5:40 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.0%

Best Times for Fishing or Hunting

Major Periods

8:44 AM - 11:14 AM
12:00 AM - 12:00 AM

Minor Periods

4:46 PM - 6:16 PM
5:10 AM - 6:40 AM

Action Rating: 3 out of 5

Tuesday, March 31, 2026

Weather Forecast

Moderate rain
46.8°F
38.1°F
41.7°F
72%
0.29 in
88%
0%
7.4 mph
4


Air Quality

AQI: 1 - Good
PM2.5: 5.94 μg/m3
PM10: 12.98 μg/m3
Carbon Monoxide: 143.37 μg/m3
Nitrogen Dioxide: 3.46 μg/m3
Sulphur Dioxide: 1.44 μg/m3
Ozone: 110.6 μg/m3

Astronomical

Sunrise: 6:48 AM
Sun Transit: 1:06 PM
Sunset: 7:26 PM
Daylight: 12 hrs 38 mins
Moonrise: 6:22 PM
Moon Transit: 12:00 AM
Moonset: 6:02 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:27 AM - 11:57 AM

Minor Periods

5:52 PM - 7:22 PM
5:32 AM - 7:02 AM

Action Rating: 4 out of 5

Wednesday, April 1, 2026

Weather Forecast

Patchy rain nearby
45.7°F
23.6°F
38.6°F
74%
0.03 in
71%
9%
5.8 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 3.46 μg/m3
PM10: 6.42 μg/m3
Carbon Monoxide: 153.89 μg/m3
Nitrogen Dioxide: 5.64 μg/m3
Sulphur Dioxide: 1.53 μg/m3
Ozone: 103.24 μg/m3

Astronomical

Sunrise: 6:46 AM
Sun Transit: 1:06 PM
Sunset: 7:27 PM
Daylight: 12 hrs 41 mins
Moonrise: 7:26 PM
Moon Transit: 12:27 AM
Moonset: 6:23 AM
Moon Phase: Full
Moon Illumination: 99.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:10 AM - 12:40 AM

Minor Periods

6:56 PM - 8:26 PM
5:53 AM - 7:23 AM

Action Rating: 3 out of 5

Thursday, April 2, 2026

Weather Forecast

Patchy rain nearby
52.2°F
21.2°F
37.2°F
62%
0.01 in
88%
10%
21.7 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 3.2 μg/m3
PM10: 3.67 μg/m3
Carbon Monoxide: 158.81 μg/m3
Nitrogen Dioxide: 6.24 μg/m3
Sulphur Dioxide: 1.58 μg/m3
Ozone: 108.62 μg/m3

Astronomical

Sunrise: 6:44 AM
Sun Transit: 1:05 PM
Sunset: 7:28 PM
Daylight: 12 hrs 43 mins
Moonrise: 8:30 PM
Moon Transit: 1:09 AM
Moonset: 6:44 AM
Moon Phase: Full
Moon Illumination: 99.5%

Best Times for Fishing or Hunting

Major Periods

12:39 AM - 3:09 AM
10:52 AM - 1:22 PM

Minor Periods

8:00 PM - 9:30 PM
6:14 AM - 7:44 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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