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

Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Current conditions at

DW5434 Heppner (D5434)

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

NA

53°F

12°C

Humidity 40%
Wind Speed SW 11 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 29°F (-2°C)
Visibility NA
Last update 18 Mar 06:45 AM PDT
Extended Forecast for

Heppner OR

  • Today

    Today: Increasing clouds, with a high near 74. South wind 8 to 13 mph becoming west in the afternoon. Winds could gust as high as 23 mph.

    High: 74 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 51. West wind 6 to 8 mph becoming south in the evening. Winds could gust as high as 18 mph.

    Low: 51 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 74. West wind 8 to 15 mph, with gusts as high as 26 mph.

    High: 74 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 52. West wind 5 to 11 mph becoming south in the evening. Winds could gust as high as 22 mph.

    Low: 52 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 71. West wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 71 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 74. South wind 8 to 13 mph becoming west in the afternoon. Winds could gust as high as 23 mph.
Tonight
Mostly cloudy, with a low around 51. West wind 6 to 8 mph becoming south in the evening. Winds could gust as high as 18 mph.
Thursday
Partly sunny, with a high near 74. West wind 8 to 15 mph, with gusts as high as 26 mph.
Thursday Night
Mostly cloudy, with a low around 52. West wind 5 to 11 mph becoming south in the evening. Winds could gust as high as 22 mph.
Friday
Mostly cloudy, with a high near 71. West wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Mostly cloudy, with a low around 41.
Saturday
Partly sunny, with a high near 52.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
Sunny, with a high near 55.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Mostly cloudy, with a high near 55.
Monday Night
Mostly cloudy, with a low around 39.
Tuesday
A chance of rain. Mostly cloudy, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Heppner OR
 45.34°N 119.56°W (Elev. 2129 ft)
Last Update:
4:20 am PDT Mar 18, 2026
Forecast Valid:
7am PDT Mar 18, 2026-6pm PDT Mar 24, 2026
 
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