Weather for Heppner, Oregon
Current Weather
Humidity: 64%
Heat Index: 55.3°F
Feels Like: 51.8°F
Wind: S 8.1 mph
Wind Gusts: 41.1 mph
Wind Chill: 51.8°F
Dew Point: 43.5 F
Precipitation Probability: 87%
Precipitation: 0 in
Cloud Cover: 25%
Visibility: 10 mi
UV Index: 0
Five Day Weather Forecast
Wed
H: 56°F
L: 35°F
Thu
H: 52°F
L: 32°F
Fri
H: 43°F
L: 30°F
Sat
H: 42°F
L: 28°F
Sun
H: 41°F
L: 31°F
Air Quality
Nitrogen Dioxide: 7.45 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 37 μg/m3
Astronomical
Sun Transit: 11:58 AM
Sunset: 4:20 PM
Daylight: 8 hrs 44 mins
Moon Transit: 3:50 PM
Moonset: 9:12 PM
Moon Phase: Waxing Crescent
Moon Illumination: 19.9%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM3:20 PM - 5:50 PM
Minor Periods
8:42 PM - 10:12 PM10:10 AM - 11:40 AM
Action Rating: 2 out of 5
Special Weather Statement issued December 22 at 1:33PM PST by NWS Pendleton OR
Effective: Mon December 22, 2025, 1:33 PM
Expires: Wed December 24, 2025, 4:00 PM
...SPECIAL WEATHER STATEMENT IN AFFECT FROM 1 AM TO 4 PM WEDNESDAY... Southeast winds 15 to 25 mph with gusts up to 30-35 mph expected (60-80% confidence). Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
Special Weather Statement issued December 23 at 12:08PM PST by NWS Pendleton OR
Effective: Tue December 23, 2025, 12:08 PM
Expires: Wed December 24, 2025, 4:00 PM
...SPECIAL WEATHER STATEMENT IN AFFECT FROM 1 AM TO 4 PM WEDNESDAY... South winds 15 to 25 mph with gusts up to 30-40 mph expected (70-90% confidence) with gusts to near 45 mph along the higher elevations. Cross winds are expected through the I-84 corridor during this time. Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
High Wind Warning issued December 24 at 12:48AM PST until December 24 at 2:00PM PST by NWS Pendleton OR
Effective: Wed December 24, 2025, 12:48 AM
Expires: Wed December 24, 2025, 2:00 PM
* WHAT...South winds 30 to 40 mph with gusts up to 65 mph are expected. * WHERE...Foothills of the Blue Mountains of Oregon, Grande Ronde Valley, and Wallowa County. * WHEN...From 7 AM this morning to 2 PM PST this afternoon. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles.
Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive.
Wind Advisory issued December 24 at 12:48AM PST until December 24 at 4:00PM PST by NWS Pendleton OR
Effective: Wed December 24, 2025, 12:48 AM
Expires: Wed December 24, 2025, 4:00 PM
* WHAT...South winds 20 to 30 mph with gusts up to 55 mph expected. * WHERE...Central Oregon, John Day Basin, and Ochoco-John Day Highlands. * WHEN...From 4 AM early this morning to 4 PM PST this afternoon. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
Wind Advisory issued December 24 at 9:54AM PST until December 24 at 4:00PM PST by NWS Pendleton OR
Effective: Wed December 24, 2025, 9:54 AM
Expires: Wed December 24, 2025, 4:00 PM
* WHAT...South winds 20 to 30 mph with gusts up to 55 mph. * WHERE...Central Oregon and John Day Basin. * WHEN...Until 4 PM PST this afternoon. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
Dense Fog Advisory issued December 24 at 9:54AM PST until December 24 at 11:00AM PST by NWS Pendleton OR
Effective: Wed December 24, 2025, 9:54 AM
Expires: Wed December 24, 2025, 2:00 PM
* WHAT...For the Dense Fog Advisory, visibility as low as one-quarter mile in dense fog. For the High Wind Warning, south winds 20 to 30 mph with gusts up to 60 mph. * WHERE...Foothills of the Southern Blue Mountains of Oregon. * WHEN...For the Dense Fog Advisory, until 11 AM PST this morning. For the High Wind Warning, until 2 PM PST this afternoon. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Strongest winds will be along the base and slopes of the southern Blue Mountains.
Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
High Wind Warning issued December 24 at 9:54AM PST until December 24 at 2:00PM PST by NWS Pendleton OR
Effective: Wed December 24, 2025, 9:54 AM
Expires: Wed December 24, 2025, 2:00 PM
* WHAT...For the Dense Fog Advisory, visibility as low as one-quarter mile in dense fog. For the High Wind Warning, south winds 20 to 30 mph with gusts up to 60 mph. * WHERE...Foothills of the Southern Blue Mountains of Oregon. * WHEN...For the Dense Fog Advisory, until 11 AM PST this morning. For the High Wind Warning, until 2 PM PST this afternoon. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Strongest winds will be along the base and slopes of the southern Blue Mountains.
Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Special Weather Statement issued December 24 at 10:10AM PST by NWS Pendleton OR
Effective: Wed December 24, 2025, 10:10 AM
Expires: Wed December 24, 2025, 12:00 PM
Patchy dense fog is expected to continue through the morning hours along the I-84 corridor in and west of Pendleton. If traveling, expect rapid changes in visibility, slow down, use low-beam headlights, and allow extra distance between your vehicle and those around you.
High Wind Warning issued December 24 at 9:54AM PST until December 24 at 2:00PM PST by NWS Pendleton OR
Effective: Wed December 24, 2025, 9:54 AM
Expires: Wed December 24, 2025, 2:00 PM
* WHAT...For the High Wind Warning, southeast winds 35 to 45 mph with gusts up to 75 mph. * WHERE...In Oregon, Foothills of the Northern Blue Mountains of Oregon. In Washington, Foothills of the Blue Mountains of Washington. * WHEN...Until 2 PM PST this afternoon. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Strongest winds will be along the base and slopes of the northern Blue Mountains.
Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive.
Weather Forecast
Average Temperature: 42.6°F
Average Humidity: 71%
Wind: 35.6 mph
UV Index: 0.1
Air Quality
Nitrogen Dioxide: 5.26 μg/m3
Sulphur Dioxide: 1.26 μg/m3
Ozone: 54.4 μg/m3
Astronomical
Sun Transit: 11:58 AM
Sunset: 4:20 PM
Daylight: 8 hrs 44 mins
Moon Transit: 3:50 PM
Moonset: 9:12 PM
Moon Phase: Waxing Crescent
Moon Illumination: 19.9%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM3:20 PM - 5:50 PM
Minor Periods
8:42 PM - 10:12 PM10:10 AM - 11:40 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 42.3°F
Average Humidity: 78%
Wind: 10.7 mph
UV Index: 0.1
Air Quality
Nitrogen Dioxide: 3.7 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 60.2 μg/m3
Astronomical
Sun Transit: 11:58 AM
Sunset: 4:21 PM
Daylight: 8 hrs 45 mins
Moon Transit: 4:34 PM
Moonset: 10:23 PM
Moon Phase: Waxing Crescent
Moon Illumination: 29.7%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM4:04 PM - 6:34 PM
Minor Periods
9:53 PM - 11:23 PM10:29 AM - 11:59 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 33.8°F
Average Humidity: 87%
Wind: 20.1 mph
UV Index: 0.1
Air Quality
Nitrogen Dioxide: 1.9 μg/m3
Sulphur Dioxide: 1.26 μg/m3
Ozone: 81.96 μg/m3
Astronomical
Sun Transit: 12:00 AM
Sunset: 4:22 PM
Daylight: 8 hrs 45 mins
Moon Transit: 12:00 AM
Moonset: 11:35 PM
Moon Phase: First Quarter
Moon Illumination: 40.5%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:23 AM - 2:53 AM
Minor Periods
12:00 AM - 12:00 AM10:46 AM - 12:16 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 34.1°F
Average Humidity: 66%
Wind: 20.1 mph
UV Index: 0.2
Air Quality
Nitrogen Dioxide: 1.45 μg/m3
Sulphur Dioxide: 1.46 μg/m3
Ozone: 88.8 μg/m3
Astronomical
Sun Transit: 12:00 AM
Sunset: 4:22 PM
Daylight: 8 hrs 45 mins
Moon Transit: 1:23 AM
Moonset: 12:35 AM
Moon Phase: First Quarter
Moon Illumination: 51.8%
Best Times for Fishing or Hunting
Major Periods
12:53 AM - 3:23 AM12:53 AM - 3:23 AM
Minor Periods
11:04 AM - 12:34 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 33.7°F
Average Humidity: 72%
Wind: 4.5 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 3.18 μg/m3
Sulphur Dioxide: 1.59 μg/m3
Ozone: 77.92 μg/m3
Astronomical
Sun Transit: 12:00 AM
Sunset: 4:23 PM
Daylight: 8 hrs 46 mins
Moon Transit: 6:52 PM
Moonset: 12:50 AM
Moon Phase: First Quarter
Moon Illumination: 63.0%
Best Times for Fishing or Hunting
Major Periods
1:54 AM - 4:24 AM6:22 PM - 8:52 PM
Minor Periods
11:24 AM - 12:54 AM12:20 AM - 1:50 AM
Action Rating: 2 out of 5