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

Current Water Temperature

47.7°F

Measurement Time: Saturday, March 21, 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

50.4°F
Clear
Clear
45.5°F
55.2°F
22%
W 13.4 mph
28.2 mph
52.2°F
20.2°F
0 in
0%
9 mi
1021 mbar
0

Five Day Weather Forecast

Sunny
Sat
H: 71°F
L: 49°F
Partly Cloudy
Sun
H: 59°F
L: 41°F
Overcast
Mon
H: 55°F
L: 37°F
Sunny
Tue
H: 65°F
L: 42°F
Sunny
Wed
H: 69°F
L: 39°F

Air Quality

AQI: 1 - Good
PM2.5: 3.25 μg/m3
PM10: 5.35 μg/m3
Carbon Monoxide: 111.85 μg/m3
Nitrogen Dioxide: 2.45 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 100 μg/m3

Astronomical

Sunrise: 7:04 AM
Sun Transit: 12:00 AM
Sunset: 7:15 PM
Daylight: 12 hrs 12 mins
Moonrise: 8:09 AM
Moon Transit: 3:24 PM
Moonset: 10:54 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.8%

Best Times for Fishing or Hunting

Major Periods

12:18 AM - 2:48 AM
2:54 PM - 5:24 PM

Minor Periods

10:24 PM - 11:54 PM
7:39 AM - 9:09 AM

Action Rating: 2 out of 5

Red Flag Warning issued March 21 at 11:54AM MDT until March 21 at 10:00PM MDT by NWS Denver CO

Effective: Sat March 21, 2026, 11:54 AM
Expires: Sat March 21, 2026, 10:00 PM

...WIDESPREAD CRITICAL FIRE WEATHER CONDITIONS TODAY... All-time record March heat, exceptionally low humidity, and periods of breezy winds will drive critical fire weather conditions this afternoon, most pronounced above 6,000 ft and west of I-25 where winds will be strongest. * AFFECTED AREA...Fire Weather Zones 214, 215 and 216. * TIMING...Until 10 PM MDT this evening. * WINDS...West 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...4 to 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.


Red Flag Warning issued March 21 at 11:54AM MDT until March 21 at 10:00PM MDT by NWS Denver CO

Effective: Sat March 21, 2026, 11:54 AM
Expires: Sat March 21, 2026, 10:00 PM

...WIDESPREAD CRITICAL FIRE WEATHER CONDITIONS TODAY... All-time record March heat, exceptionally low humidity, and periods of breezy winds will drive critical fire weather conditions this afternoon, most pronounced above 6,000 ft and west of I-25 where winds will be strongest. * AFFECTED AREA...Fire Weather Zones 238, 239, 240, 241, 242, 243, 244, 245, 248 and 250. * TIMING...From 2 PM this afternoon to 10 PM MDT this evening. * WINDS...West 10 to 15 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 4 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.


Red Flag Warning issued March 21 at 11:54AM MDT until March 21 at 10:00PM MDT by NWS Denver CO

Effective: Sat March 21, 2026, 11:54 AM
Expires: Sat March 21, 2026, 10:00 PM

...WIDESPREAD CRITICAL FIRE WEATHER CONDITIONS TODAY... All-time record March heat, exceptionally low humidity, and periods of breezy winds will drive critical fire weather conditions this afternoon, most pronounced above 6,000 ft and west of I-25 where winds will be strongest. * AFFECTED AREA...Fire Weather Zones 211 and 213. * TIMING...Until 10 PM MDT this evening. * WINDS...West 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...6 to 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 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.
Saturday, March 21, 2026

Weather Forecast

Sunny
70.5°F
48.6°F
57.8°F
28%
0 in
0%
0%
19.5 mph
1.8


Air Quality

AQI: 1 - Good
PM2.5: 4.07 μg/m3
PM10: 4.55 μg/m3
Carbon Monoxide: 119.17 μg/m3
Nitrogen Dioxide: 3.63 μg/m3
Sulphur Dioxide: 1.41 μg/m3
Ozone: 108.16 μg/m3

Astronomical

Sunrise: 7:04 AM
Sun Transit: 12:00 AM
Sunset: 7:15 PM
Daylight: 12 hrs 12 mins
Moonrise: 8:09 AM
Moon Transit: 3:24 PM
Moonset: 10:54 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.8%

Best Times for Fishing or Hunting

Major Periods

12:18 AM - 2:48 AM
2:54 PM - 5:24 PM

Minor Periods

10:24 PM - 11:54 PM
7:39 AM - 9:09 AM

Action Rating: 2 out of 5

Sunday, March 22, 2026

Weather Forecast

Partly Cloudy
58.6°F
41°F
49.8°F
44%
0 in
0%
0%
13.6 mph
1.6


Air Quality

AQI: 1 - Good
PM2.5: 3.02 μg/m3
PM10: 4.68 μg/m3
Carbon Monoxide: 122.69 μg/m3
Nitrogen Dioxide: 3.33 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 105.56 μg/m3

Astronomical

Sunrise: 7:02 AM
Sun Transit: 12:00 AM
Sunset: 7:17 PM
Daylight: 12 hrs 14 mins
Moonrise: 8:43 AM
Moon Transit: 4:21 PM
Moonset: 12:13 PM
Moon Phase: Waxing Crescent
Moon Illumination: 14.9%

Best Times for Fishing or Hunting

Major Periods

1:13 AM - 3:43 AM
3:51 PM - 6:21 PM

Minor Periods

12:00 AM - 12:00 AM
8:13 AM - 9:43 AM

Action Rating: 2 out of 5

Monday, March 23, 2026

Weather Forecast

Overcast
54.9°F
36.7°F
45.7°F
58%
0 in
0%
0%
14.3 mph
1.5


Air Quality

AQI: 1 - Good
PM2.5: 2.32 μg/m3
PM10: 3.55 μg/m3
Carbon Monoxide: 153.01 μg/m3
Nitrogen Dioxide: 3.96 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 118.8 μg/m3

Astronomical

Sunrise: 7:01 AM
Sun Transit: 1:08 PM
Sunset: 7:18 PM
Daylight: 12 hrs 17 mins
Moonrise: 9:25 AM
Moon Transit: 5:22 PM
Moonset: 12:13 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.8%

Best Times for Fishing or Hunting

Major Periods

2:11 AM - 4:41 AM
4:52 PM - 7:22 PM

Minor Periods

8:55 AM - 10:25 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Tuesday, March 24, 2026

Weather Forecast

Sunny
64.6°F
42.1°F
52.5°F
48%
0 in
0%
0%
15.4 mph
1.7


Air Quality

AQI: 1 - Good
PM2.5: 4.06 μg/m3
PM10: 10.07 μg/m3
Carbon Monoxide: 141.33 μg/m3
Nitrogen Dioxide: 3.66 μg/m3
Sulphur Dioxide: 1.29 μg/m3
Ozone: 108.2 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 1:08 PM
Sunset: 7:19 PM
Daylight: 12 hrs 20 mins
Moonrise: 10:18 AM
Moon Transit: 6:25 PM
Moonset: 1:27 AM
Moon Phase: Waxing Crescent
Moon Illumination: 34.0%

Best Times for Fishing or Hunting

Major Periods

3:13 AM - 5:43 AM
5:55 PM - 8:25 PM

Minor Periods

9:48 AM - 11:18 AM
12:57 AM - 2:27 AM

Action Rating: 2 out of 5

Wednesday, March 25, 2026

Weather Forecast

Sunny
69.1°F
39.2°F
54°F
39%
0 in
0%
0%
20.6 mph
2.2


Air Quality

AQI: 1 - Good
PM2.5: 3.73 μg/m3
PM10: 7.73 μg/m3
Carbon Monoxide: 118.93 μg/m3
Nitrogen Dioxide: 4.17 μg/m3
Sulphur Dioxide: 1.2 μg/m3
Ozone: 87.38 μg/m3

Astronomical

Sunrise: 6:57 AM
Sun Transit: 1:08 PM
Sunset: 7:20 PM
Daylight: 12 hrs 22 mins
Moonrise: 11:20 AM
Moon Transit: 7:27 PM
Moonset: 2:34 AM
Moon Phase: First Quarter
Moon Illumination: 45.1%

Best Times for Fishing or Hunting

Major Periods

4:16 AM - 6:46 AM
6:57 PM - 9:27 PM

Minor Periods

10:50 AM - 12:20 AM
2:04 AM - 3:34 AM

Action Rating: 4 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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