Water Temperature of Willow Lake in Heppner, OR

Current Water Temperature

72.3°F

Measurement Time: Monday, September 1, 2025, 4:00 AM PDT

Temperature Locations

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Local Points of Interest

Willow Creek Reservoir

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Willow Lake

Station Name: WILLOW LAKE MET STATION, AT HEPPNER, OR
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 2,057 feet / 627 meters

Nearest Address:
68967 Willow Creek Rd
Heppner, OR 97836
Morrow County

GPS Coordinates: 45.34480556, -119.5374722

Nearby Water Temperatures

Willow Creek, Heppner, OR (0.7 mi)
Middle Fork John Day River, Susanville, OR (57.9 mi)
Yakima River, Prosser, WA (60.9 mi)
Columbia River, Goldendale, WA (62.2 mi)
Yakima River, West Richland, WA (66.5 mi)
Deschutes River, Biggs Junction, OR (69.0 mi)
Yakima River, Sunnyside, WA (70.2 mi)
Columbia River, The Dalles, OR (82.1 mi)
Minam River, Minam, OR (89.8 mi)
Yakima River, Wapato, WA (93.5 mi)
Deschutes River, Madras, OR (93.8 mi)
Crooked River, Culver, OR (104.4 mi)
Deschutes River, Culver, OR (105.0 mi)
Metolius River, Grandview, OR (107.3 mi)
East Fork Wallowa River, Joseph, OR (113.1 mi)

Weather for Heppner, Oregon

Current Weather

82°F
Sunny
Conditions: Sunny
Humidity: 35%
Feels Like: 79.7°F
Wind: WNW 5.4 mph
Wind Gusts: 6.2 mph
Pressure: 29.96 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 5.2

Five Day Weather Forecast

Sunny
Mon
H: 91°F
L: 63°F
Sunny
Tue
H: 97°F
L: 66°F
Partly Cloudy
Wed
H: 94°F
L: 69°F
Sunny
Thu
H: 96°F
L: 69°F
Patchy rain nearby
Fri
H: 91°F
L: 70°F

Air Quality

AQI: 1 - Good
PM2.5: 17.39 μg/m3
PM10: 17.95 μg/m3
Carbon Monoxide: 297.85 μg/m3
Nitrogen Dioxide: 5 μg/m3
Sulphur Dioxide: 1.3 μg/m3
Ozone: 125 μg/m3

Astronomical

Sunrise: 6:20 AM
Sun Transit: 12:57 AM
Sunset: 7:35 PM
Daylight: 13 hrs 14 mins
Moonrise: 4:23 PM
Moon Transit: 8:15 PM
Moonset: 12:17 AM
Moon Phase: First Quarter
Moon Illumination: 64.3%

Best Times for Fishing or Hunting

Major Periods

3:13 AM - 5:43 AM
7:45 PM - 10:15 PM

Minor Periods

3:53 PM - 5:23 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Extreme Heat Watch issued August 31 at 12:25PM PDT until September 4 at 8:00PM PDT by NWS Pendleton OR

Effective: Sun August 31, 2025, 12:25 PM
Expires: Mon September 1, 2025, 3:00 PM

* WHAT...Dangerously hot conditions with temperatures up to 102 degrees possible. This will pose a major risk of heat-related illness. * WHERE...Portions of north central and northeast Oregon and central, south central, and southeast Washington. * WHEN...From Tuesday morning through Thursday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Extreme heat will significantly increase the risk of heat-related illnesses for much of the population, especially those who are heat sensitive and those without effective cooling or adequate hydration. * ADDITIONAL DETAILS...Daily high temperature records are at risk for many cities in the watch area Tuesday through Thursday.

Monitor the latest forecasts and warnings for updates on this situation. Be prepared to drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.


Extreme Heat Watch issued August 31 at 12:25PM PDT until September 4 at 8:00PM PDT by NWS Pendleton OR

Effective: Sun August 31, 2025, 12:25 PM
Expires: Mon September 1, 2025, 3:00 PM

* WHAT...Dangerously hot conditions with temperatures up to 102 degrees possible. This will pose a major risk of heat-related illness. * WHERE...Portions of north central and northeast Oregon and central, south central, and southeast Washington. * WHEN...From Tuesday morning through Thursday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Extreme heat will significantly increase the risk of heat-related illnesses for much of the population, especially those who are heat sensitive and those without effective cooling or adequate hydration. * ADDITIONAL DETAILS...Daily high temperature records are at risk for many cities in the watch area Tuesday through Thursday.

Monitor the latest forecasts and warnings for updates on this situation. Be prepared to drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.


Extreme Heat Watch issued August 31 at 12:25PM PDT until September 4 at 8:00PM PDT by NWS Pendleton OR

Effective: Sun August 31, 2025, 12:25 PM
Expires: Mon September 1, 2025, 3:00 PM

* WHAT...Dangerously hot conditions with temperatures up to 102 degrees possible. This will pose a major risk of heat-related illness. * WHERE...Portions of north central and northeast Oregon and central, south central, and southeast Washington. * WHEN...From Tuesday morning through Thursday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Extreme heat will significantly increase the risk of heat-related illnesses for much of the population, especially those who are heat sensitive and those without effective cooling or adequate hydration. * ADDITIONAL DETAILS...Daily high temperature records are at risk for many cities in the watch area Tuesday through Thursday.

Monitor the latest forecasts and warnings for updates on this situation. Be prepared to drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.


Extreme Heat Watch issued August 31 at 12:25PM PDT until September 4 at 8:00PM PDT by NWS Pendleton OR

Effective: Sun August 31, 2025, 12:25 PM
Expires: Mon September 1, 2025, 3:00 PM

* WHAT...Dangerously hot conditions with temperatures up to 102 degrees possible. This will pose a major risk of heat-related illness. * WHERE...Portions of north central and northeast Oregon and central, south central, and southeast Washington. * WHEN...From Tuesday morning through Thursday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Extreme heat will significantly increase the risk of heat-related illnesses for much of the population, especially those who are heat sensitive and those without effective cooling or adequate hydration. * ADDITIONAL DETAILS...Daily high temperature records are at risk for many cities in the watch area Tuesday through Thursday.

Monitor the latest forecasts and warnings for updates on this situation. Be prepared to drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.


Extreme Heat Watch issued August 31 at 12:25PM PDT until September 4 at 8:00PM PDT by NWS Pendleton OR

Effective: Sun August 31, 2025, 12:25 PM
Expires: Mon September 1, 2025, 3:00 PM

* WHAT...Dangerously hot conditions with temperatures up to 102 degrees possible. This will pose a major risk of heat-related illness. * WHERE...Portions of north central and northeast Oregon and central, south central, and southeast Washington. * WHEN...From Tuesday morning through Thursday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Extreme heat will significantly increase the risk of heat-related illnesses for much of the population, especially those who are heat sensitive and those without effective cooling or adequate hydration. * ADDITIONAL DETAILS...Daily high temperature records are at risk for many cities in the watch area Tuesday through Thursday.

Monitor the latest forecasts and warnings for updates on this situation. Be prepared to drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.


Monday, September 1, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 76.8°F
Average Humidity: 37%
Chance of Rain: 0%
Wind: 12.8 mph
UV Index: 1.4

Air Quality

AQI: 2 - Moderate
PM2.5: 22.77 μg/m3
PM10: 23.81 μg/m3
Carbon Monoxide: 287.93 μg/m3
Nitrogen Dioxide: 5.82 μg/m3
Sulphur Dioxide: 1.5 μg/m3
Ozone: 111.4 μg/m3

Astronomical

Sunrise: 6:20 AM
Sun Transit: 12:57 AM
Sunset: 7:35 PM
Daylight: 13 hrs 14 mins
Moonrise: 4:23 PM
Moon Transit: 8:15 PM
Moonset: 12:17 AM
Moon Phase: First Quarter
Moon Illumination: 64.3%

Best Times for Fishing or Hunting

Major Periods

3:13 AM - 5:43 AM
7:45 PM - 10:15 PM

Minor Periods

3:53 PM - 5:23 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Tuesday, September 2, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 80°F
Average Humidity: 32%
Chance of Rain: 0%
Wind: 11 mph
UV Index: 1.6

Air Quality

AQI: 2 - Moderate
PM2.5: 18.59 μg/m3
PM10: 19.14 μg/m3
Carbon Monoxide: 297.48 μg/m3
Nitrogen Dioxide: 6.81 μg/m3
Sulphur Dioxide: 1.14 μg/m3
Ozone: 100.8 μg/m3

Astronomical

Sunrise: 6:22 AM
Sun Transit: 12:57 AM
Sunset: 7:33 PM
Daylight: 13 hrs 11 mins
Moonrise: 5:11 PM
Moon Transit: 9:09 PM
Moonset: 12:10 AM
Moon Phase: First Quarter
Moon Illumination: 74.7%

Best Times for Fishing or Hunting

Major Periods

4:07 AM - 6:37 AM
8:39 PM - 11:09 PM

Minor Periods

4:41 PM - 6:11 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, September 3, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 80.4°F
Average Humidity: 25%
Chance of Rain: 0%
Wind: 13.9 mph
UV Index: 1.6

Air Quality

AQI: 1 - Good
PM2.5: 15.38 μg/m3
PM10: 16.2 μg/m3
Carbon Monoxide: 281.42 μg/m3
Nitrogen Dioxide: 5.96 μg/m3
Sulphur Dioxide: 0.98 μg/m3
Ozone: 114.4 μg/m3

Astronomical

Sunrise: 6:23 AM
Sun Transit: 12:57 AM
Sunset: 7:31 PM
Daylight: 13 hrs 8 mins
Moonrise: 5:50 PM
Moon Transit: 10:03 PM
Moonset: 1:12 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 83.9%

Best Times for Fishing or Hunting

Major Periods

5:01 AM - 7:31 AM
12:00 AM - 12:00 AM

Minor Periods

5:20 PM - 6:50 PM
12:42 AM - 2:12 AM

Action Rating: 2 out of 5

Thursday, September 4, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 82.4°F
Average Humidity: 25%
Chance of Rain: 0%
Wind: 11.4 mph
UV Index: 1.7

Air Quality

AQI: 1 - Good
PM2.5: 13.69 μg/m3
PM10: 14.63 μg/m3
Carbon Monoxide: 288.08 μg/m3
Nitrogen Dioxide: 6.25 μg/m3
Sulphur Dioxide: 0.81 μg/m3
Ozone: 107.32 μg/m3

Astronomical

Sunrise: 6:24 AM
Sun Transit: 12:57 AM
Sunset: 7:29 PM
Daylight: 13 hrs 5 mins
Moonrise: 6:22 PM
Moon Transit: 10:55 PM
Moonset: 2:24 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.3%

Best Times for Fishing or Hunting

Major Periods

5:55 AM - 8:25 AM
12:00 AM - 12:00 AM

Minor Periods

5:52 PM - 7:22 PM
1:54 AM - 3:24 AM

Action Rating: 4 out of 5

Friday, September 5, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 79.1°F
Average Humidity: 33%
Chance of Rain: 76%
Wind: 17 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 13.96 μg/m3
PM10: 14.64 μg/m3
Carbon Monoxide: 330.72 μg/m3
Nitrogen Dioxide: 9.39 μg/m3
Sulphur Dioxide: 0.67 μg/m3
Ozone: 95.54 μg/m3

Astronomical

Sunrise: 6:25 AM
Sun Transit: 12:56 AM
Sunset: 7:27 PM
Daylight: 13 hrs 2 mins
Moonrise: 6:47 PM
Moon Transit: 11:46 PM
Moonset: 3:40 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.6%

Best Times for Fishing or Hunting

Major Periods

6:46 AM - 9:16 AM
12:00 AM - 12:00 AM

Minor Periods

6:17 PM - 7:47 PM
3:10 AM - 4:40 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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