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

Hazardous Weather Conditions

Current conditions at

DW5434 Heppner (D5434)

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

NA

78°F

26°C

Humidity 27%
Wind Speed WNW 9 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 41°F (5°C)
Visibility NA
Heat Index78°F (26°C)
Last update 18 Aug 07:45 PM PDT
Extended Forecast for

Lexington OR

Red Flag Warning until August 18, 10:00pm
Click here for hazard details and duration
...
  •  
    Red Flag Warning until August 18, 10:00pm

    NOW until 10:00pm Tue

    Red Flag Warning

  • Tonight

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91. South wind 7 to 9 mph becoming northwest in the afternoon.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60. Northwest wind around 7 mph becoming south after midnight.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 92. South wind 6 to 8 mph becoming northwest in the afternoon.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 63. North wind 5 to 8 mph becoming light and variable.

    Low: 63 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 90.

    High: 90 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 58. West wind 8 to 11 mph becoming south after midnight. Winds could gust as high as 23 mph.
Wednesday
Sunny, with a high near 91. South wind 7 to 9 mph becoming northwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 60. Northwest wind around 7 mph becoming south after midnight.
Thursday
Sunny, with a high near 92. South wind 6 to 8 mph becoming northwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 63. North wind 5 to 8 mph becoming light and variable.
Friday
Mostly cloudy, with a high near 90.
Friday Night
A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 60.
Saturday
Sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 52. Breezy.
Sunday
Sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 55.
Monday
Sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lexington OR
 45.44°N 119.67°W (Elev. 1598 ft)
Last Update:
3:01 pm PDT Aug 18, 2026
Forecast Valid:
8pm PDT Aug 18, 2026-6pm PDT Aug 25, 2026
 
Forecast Discussion
 
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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