Water Temperature of Imperial Reservoir in Winterhaven, CA

Current Water Temperature

84.4°F

Measurement Time: Tuesday, August 5, 2025, 5:00 AM PDT

Temperature Locations

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Local Points of Interest

Colorado River; Imperial Dam; Yuma, AZ

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Imperial Reservoir

Station Name: COLORADO RIVER ABOVE IMPERIAL DAM, AZ-CA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 174 feet / 53 meters

Nearest Address:
Imperial Dam Rd
Winterhaven, CA 92283
Imperial County

GPS Coordinates: 32.8849361, -114.468111

Nearby Water Temperatures

Colorado River, Yuma, AZ (19.0 mi)
Sality Canal, San Luis, AZ (33.2 mi)
Sality Canal, San Luis, AZ (33.2 mi)
Colorado River Intake, Ehrenberg, AZ (58.5 mi)
Bill Williams River, Parker Strip, AZ (99.8 mi)
Hamilton Creek, Anza, CA (133.3 mi)
Cahuilla Creek, Anza, CA (136.4 mi)
North San Diego Bay, San Diego, CA (157.6 mi)
Santa Margarita River, Temecula, CA (159.9 mi)
Pacific Ocean, La Jolla, CA (161.8 mi)
Pacific Ocean, Del Mar, CA (169.6 mi)
Pacific Ocean, Tijuana, MX (279.7 km)
Pacific Ocean, Oceanside, CA (175.2 mi)
Pacific Ocean, San Diego, CA (176.3 mi)
Santa Ana River, Corona, CA (195.8 mi)

Weather for Winterhaven, California

Current Weather

107.7°F
Sunny
Conditions: Sunny
Humidity: 16%
Feels Like: 110.3°F
Wind: SSE 4.9 mph
Wind Gusts: 5.7 mph
Pressure: 29.84 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 6 mi
UV Index: 10.2

Five Day Weather Forecast

Sunny
Tue
H: 114°F
L: 76°F
Sunny
Wed
H: 115°F
L: 79°F
Sunny
Thu
H: 116°F
L: 80°F
Sunny
Fri
H: 105°F
L: 74°F
Sunny
Sat
H: 103°F
L: 81°F

Air Quality

AQI: 2 - Moderate
PM2.5: 13.51 μg/m3
PM10: 32.01 μg/m3
Carbon Monoxide: 222 μg/m3
Nitrogen Dioxide: 4.26 μg/m3
Sulphur Dioxide: 2.04 μg/m3
Ozone: 113 μg/m3

Astronomical

Sunrise: 5:55 AM
Sun Transit: 12:43 AM
Sunset: 7:32 PM
Daylight: 13 hrs 38 mins
Moonrise: 5:18 PM
Moon Transit: 10:06 PM
Moonset: 1:59 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 88.0%

Best Times for Fishing or Hunting

Major Periods

5:45 AM - 8:15 AM
12:00 AM - 12:00 AM

Minor Periods

4:48 PM - 6:18 PM
1:29 AM - 2:59 AM

Action Rating: 3 out of 5

Extreme Heat Warning issued August 5 at 2:55AM MST until August 8 at 8:00PM MST by NWS Phoenix AZ

Effective: Tue August 5, 2025, 2:55 AM
Expires: Tue August 5, 2025, 4:00 PM

* WHAT...Dangerously hot conditions. Afternoon temperatures 106 to 118 expected. Major Heat Risk. * WHERE...Portions of southwest Arizona and southeast and southern California. * WHEN...From 10 AM MST /10 AM PDT/ Wednesday to 8 PM MST /8 PM PDT/ Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke.

An Extreme Heat Warning means that a period of very hot temperatures, even by local standards, will occur. Actions should be taken to lessen the impact of the extreme heat. Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose-fitting clothing when possible and drink plenty of water. 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. Public cooling shelters are available in some areas. Consult county officials for more details.


Extreme Heat Warning issued August 5 at 2:55AM MST until August 8 at 8:00PM MST by NWS Phoenix AZ

Effective: Tue August 5, 2025, 2:55 AM
Expires: Tue August 5, 2025, 4:00 PM

* WHAT...Dangerously hot conditions. Afternoon temperatures 106 to 118 expected. Major Heat Risk. * WHERE...Portions of southwest Arizona and southeast and southern California. * WHEN...From 10 AM MST /10 AM PDT/ Wednesday to 8 PM MST /8 PM PDT/ Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke.

An Extreme Heat Warning means that a period of very hot temperatures, even by local standards, will occur. Actions should be taken to lessen the impact of the extreme heat. Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose-fitting clothing when possible and drink plenty of water. 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. Public cooling shelters are available in some areas. Consult county officials for more details.


Extreme Heat Warning issued August 5 at 2:55AM MST until August 8 at 8:00PM MST by NWS Phoenix AZ

Effective: Tue August 5, 2025, 2:55 AM
Expires: Tue August 5, 2025, 4:00 PM

* WHAT...Dangerously hot conditions. Afternoon temperatures 106 to 118 expected. Major Heat Risk. * WHERE...Portions of southwest Arizona and southeast and southern California. * WHEN...From 10 AM MST /10 AM PDT/ Wednesday to 8 PM MST /8 PM PDT/ Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke.

An Extreme Heat Warning means that a period of very hot temperatures, even by local standards, will occur. Actions should be taken to lessen the impact of the extreme heat. Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose-fitting clothing when possible and drink plenty of water. 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. Public cooling shelters are available in some areas. Consult county officials for more details.


Extreme Heat Warning issued August 5 at 2:55AM MST until August 8 at 8:00PM MST by NWS Phoenix AZ

Effective: Tue August 5, 2025, 2:55 AM
Expires: Tue August 5, 2025, 4:00 PM

* WHAT...Dangerously hot conditions. Afternoon temperatures 106 to 118 expected. Major Heat Risk. * WHERE...Portions of southwest Arizona and southeast and southern California. * WHEN...From 10 AM MST /10 AM PDT/ Wednesday to 8 PM MST /8 PM PDT/ Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke.

An Extreme Heat Warning means that a period of very hot temperatures, even by local standards, will occur. Actions should be taken to lessen the impact of the extreme heat. Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose-fitting clothing when possible and drink plenty of water. 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. Public cooling shelters are available in some areas. Consult county officials for more details.


Extreme Heat Warning issued August 5 at 2:55AM MST until August 8 at 8:00PM MST by NWS Phoenix AZ

Effective: Tue August 5, 2025, 2:55 AM
Expires: Tue August 5, 2025, 4:00 PM

* WHAT...Dangerously hot conditions. Afternoon temperatures 106 to 118 expected. Major Heat Risk. * WHERE...Portions of southwest Arizona and southeast and southern California. * WHEN...From 10 AM MST /10 AM PDT/ Wednesday to 8 PM MST /8 PM PDT/ Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke.

An Extreme Heat Warning means that a period of very hot temperatures, even by local standards, will occur. Actions should be taken to lessen the impact of the extreme heat. Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose-fitting clothing when possible and drink plenty of water. 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. Public cooling shelters are available in some areas. Consult county officials for more details.


Tuesday, August 5, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 94.6°F
Average Humidity: 28%
Chance of Rain: 0%
Wind: 13.4 mph
UV Index: 2.6

Air Quality

AQI: 2 - Moderate
PM2.5: 19.03 μg/m3
PM10: 63.28 μg/m3
Carbon Monoxide: 257.89 μg/m3
Nitrogen Dioxide: 3.39 μg/m3
Sulphur Dioxide: 1.24 μg/m3
Ozone: 97.64 μg/m3

Astronomical

Sunrise: 5:55 AM
Sun Transit: 12:43 AM
Sunset: 7:32 PM
Daylight: 13 hrs 38 mins
Moonrise: 5:18 PM
Moon Transit: 10:06 PM
Moonset: 1:59 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 88.0%

Best Times for Fishing or Hunting

Major Periods

5:45 AM - 8:15 AM
12:00 AM - 12:00 AM

Minor Periods

4:48 PM - 6:18 PM
1:29 AM - 2:59 AM

Action Rating: 3 out of 5

Wednesday, August 6, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 97.1°F
Average Humidity: 20%
Chance of Rain: 0%
Wind: 10.3 mph
UV Index: 2.7

Air Quality

AQI: 2 - Moderate
PM2.5: 15.66 μg/m3
PM10: 44.36 μg/m3
Carbon Monoxide: 230.66 μg/m3
Nitrogen Dioxide: 5.28 μg/m3
Sulphur Dioxide: 1.88 μg/m3
Ozone: 97.12 μg/m3

Astronomical

Sunrise: 5:55 AM
Sun Transit: 12:43 AM
Sunset: 7:31 PM
Daylight: 13 hrs 36 mins
Moonrise: 6:08 PM
Moon Transit: 11:01 PM
Moonset: 2:56 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 94.4%

Best Times for Fishing or Hunting

Major Periods

6:40 AM - 9:10 AM
12:00 AM - 12:00 AM

Minor Periods

5:38 PM - 7:08 PM
2:26 AM - 3:56 AM

Action Rating: 3 out of 5

Thursday, August 7, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 98.3°F
Average Humidity: 15%
Chance of Rain: 0%
Wind: 19.7 mph
UV Index: 2.6

Air Quality

AQI: 1 - Good
PM2.5: 11.11 μg/m3
PM10: 25.62 μg/m3
Carbon Monoxide: 251.53 μg/m3
Nitrogen Dioxide: 5.15 μg/m3
Sulphur Dioxide: 2 μg/m3
Ozone: 103.88 μg/m3

Astronomical

Sunrise: 5:56 AM
Sun Transit: 12:43 AM
Sunset: 7:31 PM
Daylight: 13 hrs 35 mins
Moonrise: 6:51 PM
Moon Transit: 11:54 PM
Moonset: 3:58 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.4%

Best Times for Fishing or Hunting

Major Periods

7:35 AM - 10:05 AM
12:00 AM - 12:00 AM

Minor Periods

6:21 PM - 7:51 PM
3:28 AM - 4:58 AM

Action Rating: 3 out of 5

Friday, August 8, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 91°F
Average Humidity: 50%
Chance of Rain: 0%
Wind: 17 mph
UV Index: 2.6

Air Quality

AQI: 2 - Moderate
PM2.5: 18.54 μg/m3
PM10: 87.56 μg/m3
Carbon Monoxide: 273.87 μg/m3
Nitrogen Dioxide: 5.07 μg/m3
Sulphur Dioxide: 1.61 μg/m3
Ozone: 90.64 μg/m3

Astronomical

Sunrise: 5:57 AM
Sun Transit: 12:43 AM
Sunset: 7:30 PM
Daylight: 13 hrs 33 mins
Moonrise: 7:29 PM
Moon Transit: 12:00 AM
Moonset: 5:04 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
8:28 AM - 10:58 AM

Minor Periods

6:59 PM - 8:29 PM
4:34 AM - 6:04 AM

Action Rating: 4 out of 5

Saturday, August 9, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 91.7°F
Average Humidity: 45%
Chance of Rain: 0%
Wind: 17.9 mph
UV Index: 0

Air Quality

AQI: 2 - Moderate
PM2.5: 31.62 μg/m3
PM10: 197.07 μg/m3
Carbon Monoxide: 253.88 μg/m3
Nitrogen Dioxide: 2.66 μg/m3
Sulphur Dioxide: 0.91 μg/m3
Ozone: 80.54 μg/m3

Astronomical

Sunrise: 5:57 AM
Sun Transit: 12:43 AM
Sunset: 7:29 PM
Daylight: 13 hrs 31 mins
Moonrise: 8:03 PM
Moon Transit: 12:46 AM
Moonset: 6:11 AM
Moon Phase: Full
Moon Illumination: 99.0%

Best Times for Fishing or Hunting

Major Periods

12:16 AM - 2:46 AM
9:18 AM - 11:48 AM

Minor Periods

7:33 PM - 9:03 PM
5:41 AM - 7:11 AM

Action Rating: 5 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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