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

Current Water Temperature

52.2°F

Measurement Time: Friday, March 20, 2026, 10:20 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

67.1°F
Sunny
Sunny
67.1°F
67.1°F
25%
W 7.4 mph
8.5 mph
67.1°F
31.2°F
0 in
0%
6 mi
1018 mbar
3.3

Five Day Weather Forecast

Sunny
Fri
H: 68°F
L: 48°F
Sunny
Sat
H: 70°F
L: 48°F
Sunny
Sun
H: 57°F
L: 42°F
Patchy rain nearby
Mon
H: 61°F
L: 35°F
Sunny
Tue
H: 63°F
L: 38°F

Air Quality

AQI: 1 - Good
PM2.5: 5.35 μg/m3
PM10: 5.75 μg/m3
Carbon Monoxide: 124.85 μg/m3
Nitrogen Dioxide: 10.25 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 95 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 8:27 AM
Sunset: 7:14 PM
Daylight: 12 hrs 9 mins
Moonrise: 7:41 AM
Moon Transit: 2:32 PM
Moonset: 9:37 PM
Moon Phase: New
Moon Illumination: 2.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:02 PM - 4:32 PM

Minor Periods

9:07 PM - 10:37 PM
7:11 AM - 8:41 AM

Action Rating: 4 out of 5

Fire Weather Watch issued March 20 at 2:53AM MDT until March 21 at 10:00PM MDT by NWS Denver CO

Effective: Fri March 20, 2026, 2:53 AM
Expires: Fri March 20, 2026, 3:00 PM

...WIDESPREAD CRITICAL FIRE WEATHER CONDITIONS PEAKING SATURDAY... All-time record March heat, exceptionally low humidity, and periods of breezy winds will continue to drive critical fire weather conditions through Saturday. Today, the highest fire danger will be localized to the Cheyenne Ridge and vicinity where winds will be strongest. Breezy winds will become expansive on Saturday coinciding with highly anomalous heat and single-digit humidity, extending into the foothills and high mountain valleys. * AFFECTED AREA...Fire Weather Zones 214, 215 and 216. * TIMING...Saturday from 11 AM through 10 PM MDT. * WINDS...West 10 to 20 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 6 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.


Fire Weather Watch issued March 20 at 2:53AM MDT until March 21 at 10:00PM MDT by NWS Denver CO

Effective: Fri March 20, 2026, 2:53 AM
Expires: Fri March 20, 2026, 3:00 PM

...WIDESPREAD CRITICAL FIRE WEATHER CONDITIONS PEAKING SATURDAY... All-time record March heat, exceptionally low humidity, and periods of breezy winds will continue to drive critical fire weather conditions through Saturday. Today, the highest fire danger will be localized to the Cheyenne Ridge and vicinity where winds will be strongest. Breezy winds will become expansive on Saturday coinciding with highly anomalous heat and single-digit humidity, extending into the foothills and high mountain valleys. * AFFECTED AREA...Fire Weather Zones 239, 240, 241, 243, 244, 245, 248, 249, 250 and 251. * TIMING...Saturday from 11 AM through 10 PM MDT. * WINDS...West 5 to 15 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 5 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 20 at 2:53AM MDT until March 20 at 7:00PM MDT by NWS Denver CO

Effective: Fri March 20, 2026, 2:53 AM
Expires: Fri March 20, 2026, 3:00 PM

...WIDESPREAD CRITICAL FIRE WEATHER CONDITIONS PEAKING SATURDAY... All-time record March heat, exceptionally low humidity, and periods of breezy winds will continue to drive critical fire weather conditions through Saturday. Today, the highest fire danger will be localized to the Cheyenne Ridge and vicinity where winds will be strongest. Breezy winds will become expansive on Saturday coinciding with highly anomalous heat and single-digit humidity, extending into the foothills and high mountain valleys. * AFFECTED AREA...Fire Weather Zones 238 and 242. * TIMING...For the Red Flag Warning, from 11 AM this morning to 7 PM MDT this evening. For the Fire Weather Watch, from 11 AM MDT Saturday through 10 PM MDT Saturday. * WINDS...West 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 6 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. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.


Fire Weather Watch issued March 20 at 2:53AM MDT until March 21 at 10:00PM MDT by NWS Denver CO

Effective: Fri March 20, 2026, 2:53 AM
Expires: Fri March 20, 2026, 3:00 PM

...WIDESPREAD CRITICAL FIRE WEATHER CONDITIONS PEAKING SATURDAY... All-time record March heat, exceptionally low humidity, and periods of breezy winds will continue to drive critical fire weather conditions through Saturday. Today, the highest fire danger will be localized to the Cheyenne Ridge and vicinity where winds will be strongest. Breezy winds will become expansive on Saturday coinciding with highly anomalous heat and single-digit humidity, extending into the foothills and high mountain valleys. * AFFECTED AREA...Fire Weather Zones 238 and 242. * TIMING...For the Red Flag Warning, from 11 AM this morning to 7 PM MDT this evening. For the Fire Weather Watch, from 11 AM MDT Saturday through 10 PM MDT Saturday. * WINDS...West 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 6 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. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.


Fire Weather Watch issued March 20 at 2:53AM MDT until March 21 at 10:00PM MDT by NWS Denver CO

Effective: Fri March 20, 2026, 2:53 AM
Expires: Fri March 20, 2026, 3:00 PM

...WIDESPREAD CRITICAL FIRE WEATHER CONDITIONS PEAKING SATURDAY... All-time record March heat, exceptionally low humidity, and periods of breezy winds will continue to drive critical fire weather conditions through Saturday. Today, the highest fire danger will be localized to the Cheyenne Ridge and vicinity where winds will be strongest. Breezy winds will become expansive on Saturday coinciding with highly anomalous heat and single-digit humidity, extending into the foothills and high mountain valleys. * AFFECTED AREA...Fire Weather Zones 211 and 213. * TIMING...Saturday from 11 AM through 10 PM MDT. * WINDS...West 10 to 20 mph with gusts up to 35 mph. * 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 Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.
Friday, March 20, 2026

Weather Forecast

Sunny
68°F
47.8°F
56.4°F
33%
0 in
0%
0%
11.6 mph
1.8


Air Quality

AQI: 1 - Good
PM2.5: 5.47 μg/m3
PM10: 6.86 μg/m3
Carbon Monoxide: 115.21 μg/m3
Nitrogen Dioxide: 2.99 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 112.36 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 8:27 AM
Sunset: 7:14 PM
Daylight: 12 hrs 9 mins
Moonrise: 7:41 AM
Moon Transit: 2:32 PM
Moonset: 9:37 PM
Moon Phase: New
Moon Illumination: 2.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:02 PM - 4:32 PM

Minor Periods

9:07 PM - 10:37 PM
7:11 AM - 8:41 AM

Action Rating: 4 out of 5

Saturday, March 21, 2026

Weather Forecast

Sunny
70°F
48.4°F
57.2°F
29%
0 in
0%
0%
19.5 mph
1.8


Air Quality

AQI: 1 - Good
PM2.5: 4.13 μg/m3
PM10: 4.74 μg/m3
Carbon Monoxide: 115.73 μg/m3
Nitrogen Dioxide: 3.72 μg/m3
Sulphur Dioxide: 1.49 μg/m3
Ozone: 106.8 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

Sunny
57.4°F
41.5°F
49.5°F
45%
0 in
0%
0%
13.2 mph
1.6


Air Quality

AQI: 1 - Good
PM2.5: 3.28 μg/m3
PM10: 5.05 μg/m3
Carbon Monoxide: 124.97 μg/m3
Nitrogen Dioxide: 3.23 μg/m3
Sulphur Dioxide: 1.32 μg/m3
Ozone: 102.56 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

Patchy rain nearby
61.3°F
35.2°F
48.3°F
43%
0 in
85%
0%
14.3 mph
1.5


Air Quality

AQI: 1 - Good
PM2.5: 2.69 μg/m3
PM10: 4.19 μg/m3
Carbon Monoxide: 140.41 μg/m3
Nitrogen Dioxide: 3.95 μg/m3
Sulphur Dioxide: 1.26 μg/m3
Ozone: 116.32 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
62.6°F
37.5°F
49.3°F
45%
0 in
0%
0%
17.2 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 3.13 μg/m3
PM10: 5.13 μg/m3
Carbon Monoxide: 145.54 μg/m3
Nitrogen Dioxide: 3.69 μg/m3
Sulphur Dioxide: 1.27 μg/m3
Ozone: 114.15 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

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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