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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

63°F

17°C

Humidity 58%
Wind Speed WSW 5 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 48°F (9°C)
Visibility NA
Last update 15 Aug 02:00 AM PDT
Extended Forecast for

8 Miles N Lexington OR

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 66. Southwest wind around 14 mph, with gusts as high as 24 mph.

    Low: 66 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 85. West wind 14 to 16 mph, with gusts as high as 26 mph.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 65. Southwest wind 10 to 16 mph, with gusts as high as 26 mph.

    Low: 65 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly before 11am. Mostly cloudy, with a high near 81. Southwest wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 81 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 59. Southwest wind 11 to 14 mph, with gusts as high as 23 mph.

    Low: 59 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 11pm. Partly cloudy, with a low around 59.

    Low: 59 °F

    Slight Chance
    Showers

  • Monday

    Monday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 66. Southwest wind around 14 mph, with gusts as high as 24 mph.
Friday
Mostly sunny, with a high near 85. West wind 14 to 16 mph, with gusts as high as 26 mph.
Friday Night
A 40 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 65. Southwest wind 10 to 16 mph, with gusts as high as 26 mph.
Saturday
Showers likely, mainly before 11am. Mostly cloudy, with a high near 81. Southwest wind 10 to 13 mph, with gusts as high as 22 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 59. Southwest wind 11 to 14 mph, with gusts as high as 23 mph.
Sunday
Sunny, with a high near 82.
Sunday Night
A 20 percent chance of showers after 11pm. Partly cloudy, with a low around 59.
Monday
Sunny, with a high near 85.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Clear, with a low around 60.
Thursday
Sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles N Lexington OR
 45.57°N 119.68°W (Elev. 1099 ft)
Last Update:
2:07 am PDT Aug 15, 2025
Forecast Valid:
2am PDT Aug 15, 2025-6pm PDT Aug 21, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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