National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heat in the Central U.S.; Heavy Rain Possible for South Texas; Monitoring Erin Tropical Impacts

Hot temperatures are forecast over the Plains and into the lower Mississippi River Valley Friday where Heat Advisories have been issued. Heavy rain from a disturbance in the western Gulf could bring flooding to south Texas. Erin could bring tropical storm conditions and heavy rain to Puerto Rico and the USVI this weekend with dangerous surf and rip currents impacting the western Atlantic Basin. Read More >

Current conditions at

DW5434 Heppner (D5434)

Lat: 45.24967°NLon: 119.73117°WElev: 2600.0ft.

NA

64°F

18°C

Humidity 58%
Wind Speed W 3 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 49°F (9°C)
Visibility NA
Last update 15 Aug 02:45 AM PDT
Extended Forecast for

Heppner OR

  • Overnight

    Overnight: Partly cloudy, with a low around 59. South wind around 7 mph.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 84. South wind 7 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.

    High: 84 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly after 2am. Increasing clouds, with a low around 62. Northwest wind 5 to 11 mph becoming south after midnight. Winds could gust as high as 23 mph.

    Low: 62 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly before 11am. Mostly cloudy, with a high near 78. West wind 5 to 9 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 78 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 56. West wind 5 to 10 mph, with gusts as high as 18 mph.

    Low: 56 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers. Partly cloudy, with a low around 57.

    Low: 57 °F

    Slight Chance
    Showers

  • Monday

    Monday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 59. South wind around 7 mph.
Friday
Mostly sunny, with a high near 84. South wind 7 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.
Friday Night
A 30 percent chance of showers, mainly after 2am. Increasing clouds, with a low around 62. Northwest wind 5 to 11 mph becoming south after midnight. Winds could gust as high as 23 mph.
Saturday
Showers likely, mainly before 11am. Mostly cloudy, with a high near 78. West wind 5 to 9 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Mostly cloudy, with a low around 56. West wind 5 to 10 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 81.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 57.
Monday
Sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Clear, with a low around 58.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Clear, with a low around 58.
Thursday
Sunny, with a high near 87.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Heppner OR
 45.37°N 119.56°W (Elev. 1900 ft)
Last Update:
2:30 am PDT Aug 15, 2025
Forecast Valid:
3am PDT Aug 15, 2025-6pm PDT Aug 21, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation