Water Temperature of the Big Thompson River in Estes Park, CO
Current Water Temperature
Measurement Time: Monday, July 20, 2026, 1:50 PM MDT
Temperature Locations
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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

Five Day Weather Forecast

Mon
H: 83°F
L: 55°F

Tue
H: 83°F
L: 52°F

Wed
H: 79°F
L: 52°F

Thu
H: 75°F
L: 50°F

Fri
H: 87°F
L: 53°F
Air Quality
Nitrogen Dioxide: 2.8 μg/m3
Sulphur Dioxide: 0.3 μg/m3
Ozone: 108 μg/m3
Astronomical
Sun Transit: 1:08 PM
Sunset: 8:28 PM
Daylight: 14 hrs 39 mins
Moon Transit: 6:26 PM
Moonset: 12:23 AM
Moon Phase: Waxing Crescent
Moon Illumination: 32.7%
Best Times for Fishing or Hunting
Major Periods
3:26 AM - 5:56 AM5:56 PM - 8:26 PM
Minor Periods
12:28 AM - 1:58 PM12:00 AM - 12:00 AM
Action Rating: 4 out of 5
Air Quality Alert issued July 19 at 8:10PM MDT by NWS Denver CO
Effective: Sun July 19, 2026, 8:10 PM
Expires: Mon July 20, 2026, 4:00 PM
The Colorado Department of Public Health and Environment has issued the following... WHAT...Ozone Action Day Alert. WHERE...Douglas, Jefferson, Denver, western Arapahoe, western Adams, Broomfield, Boulder, Larimer, and Weld Counties WHEN...400 PM Sunday July 19 to 400 PM Monday July 20 IMPACTS...Ozone Action Day Alert is now in effect for the Front Range Urban Corridor. Ozone levels are expected to reach the Unhealthy for Sensitive Groups category on Sunday and Monday in the northern Colorado Front Range. Elevated levels of ozone are possible from the Denver Metro area northward, including Fort Collins and Greeley. For Colorado air quality conditions, forecasts, and advisories, visit: https://www.colorado.gov/airquality/colorado_summary.aspx If possible, please help us reduce ozone pollution by limiting driving gas and diesel-powered vehicles until at least 4 p.m. Monday, July 20, 2026. Colorado is also addressing ozone pollution through state policies. For more information about health impacts and how ozone pollution forms in Colorado, visit: https://cdphe.colorado.gov/ozone- pollution-and-your-health HEALTH INFORMATION...Increasing likelihood of respiratory symptoms and breathing discomfort in active children and adults and people with lung disease, such as asthma. Active children and adults, and people with lung disease, such as asthma, should reduce prolonged or heavy outdoor exertion.
Heat Advisory issued July 20 at 3:24AM MDT until July 20 at 9:00PM MDT by NWS Denver CO
Effective: Mon July 20, 2026, 3:24 AM
Expires: Mon July 20, 2026, 6:30 PM
* WHAT...High Temperatures 99 to 103. * WHERE...Fort Collins, Boulder, Denver metro, and Greeley. * WHEN...Until 9 PM MDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.
Air Quality Alert issued July 20 at 9:10AM MDT by NWS Denver CO
Effective: Mon July 20, 2026, 9:10 AM
Expires: Mon July 20, 2026, 4:00 PM
The Colorado Department of Public Health and Environment has issued the following... WHAT...Ozone Action Day Alert. WHERE...Douglas, Jefferson, Denver, western Arapahoe, western Adams, Broomfield, Boulder, Larimer, and Weld Counties WHEN...400 PM Sunday July 19 to 400 PM Monday July 20 IMPACTS...Ozone Action Day Alert is now in effect for the Front Range Urban Corridor. Ozone levels are expected to reach the Unhealthy for Sensitive Groups category on Sunday and Monday in the northern Colorado Front Range. Elevated levels of ozone are possible from the Denver Metro area northward, including Fort Collins and Greeley. For Colorado air quality conditions, forecasts, and advisories, visit: https://www.colorado.gov/airquality/colorado_summary.aspx If possible, please help us reduce ozone pollution by limiting driving gas and diesel-powered vehicles until at least 4 p.m. Monday, July 20, 2026. Colorado is also addressing ozone pollution through state policies. For more information about health impacts and how ozone pollution forms in Colorado, visit: https://cdphe.colorado.gov/ozone- pollution-and-your-health HEALTH INFORMATION...Increasing likelihood of respiratory symptoms and breathing discomfort in active children and adults and people with lung disease, such as asthma. Active children and adults, and people with lung disease, such as asthma, should reduce prolonged or heavy outdoor exertion.
Heat Advisory issued July 20 at 3:08PM MDT until July 20 at 9:00PM MDT by NWS Denver CO
Effective: Mon July 20, 2026, 3:08 PM
Expires: Mon July 20, 2026, 9:00 PM
* WHAT...High Temperatures 99 to 103. * WHERE...Fort Collins, Boulder, Denver metro, and Greeley. * WHEN...Until 9 PM MDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.28 μg/m3
Sulphur Dioxide: 0.29 μg/m3
Ozone: 93.5 μg/m3
Astronomical
Sun Transit: 1:08 PM
Sunset: 8:28 PM
Daylight: 14 hrs 39 mins
Moon Transit: 6:26 PM
Moonset: 12:23 AM
Moon Phase: Waxing Crescent
Moon Illumination: 32.7%
Best Times for Fishing or Hunting
Major Periods
3:26 AM - 5:56 AM5:56 PM - 8:26 PM
Minor Periods
12:28 AM - 1:58 PM12:00 AM - 12:00 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.75 μg/m3
Sulphur Dioxide: 0.36 μg/m3
Ozone: 93.42 μg/m3
Astronomical
Sun Transit: 1:08 PM
Sunset: 8:27 PM
Daylight: 14 hrs 37 mins
Moon Transit: 7:10 PM
Moonset: 12:46 AM
Moon Phase: First Quarter
Moon Illumination: 43.7%
Best Times for Fishing or Hunting
Major Periods
4:10 AM - 6:40 AM6:40 PM - 9:10 PM
Minor Periods
1:32 PM - 3:02 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.95 μg/m3
Sulphur Dioxide: 0.33 μg/m3
Ozone: 94.08 μg/m3
Astronomical
Sun Transit: 1:08 PM
Sunset: 8:26 PM
Daylight: 14 hrs 36 mins
Moon Transit: 7:56 PM
Moonset: 12:12 AM
Moon Phase: First Quarter
Moon Illumination: 55.0%
Best Times for Fishing or Hunting
Major Periods
4:54 AM - 7:24 AM7:26 PM - 9:56 PM
Minor Periods
2:36 PM - 4:06 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.61 μg/m3
Sulphur Dioxide: 0.21 μg/m3
Ozone: 88.25 μg/m3
Astronomical
Sun Transit: 1:08 PM
Sunset: 8:26 PM
Daylight: 14 hrs 34 mins
Moon Transit: 8:44 PM
Moonset: 12:41 AM
Moon Phase: First Quarter
Moon Illumination: 66.1%
Best Times for Fishing or Hunting
Major Periods
5:41 AM - 8:11 AM8:14 PM - 10:44 PM
Minor Periods
3:39 PM - 5:09 PM12:11 AM - 1:41 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 7.14 μg/m3
Sulphur Dioxide: 0.13 μg/m3
Ozone: 70 μg/m3
Astronomical
Sun Transit: 1:08 PM
Sunset: 8:25 PM
Daylight: 14 hrs 32 mins
Moon Transit: 9:34 PM
Moonset: 1:15 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.3%
Best Times for Fishing or Hunting
Major Periods
6:30 AM - 9:00 AM9:04 PM - 11:34 PM
Minor Periods
4:40 PM - 6:10 PM12:45 AM - 2:15 AM
Action Rating: 2 out of 5
