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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

DW5434 Heppner (D5434)

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

NA

74°F

23°C

Humidity 39%
Wind Speed NW 14 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 47°F (8°C)
Visibility NA
Last update 20 Mar 03:00 PM PDT
Extended Forecast for

Heppner OR

  • Tonight

    Tonight: A 40 percent chance of rain after 2am. Cloudy, with a low around 43. Northwest wind 5 to 13 mph becoming southwest in the evening. Winds could gust as high as 26 mph.

    Low: 43 °F

    Cloudy then
    Chance Rain

  • Saturday

    Saturday: A 50 percent chance of rain before 8am. Cloudy through mid morning, then gradual clearing, with a high near 54. West wind 9 to 16 mph, with gusts as high as 28 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Chance Rain
    then Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 31. West wind 6 to 14 mph becoming southwest after midnight. Winds could gust as high as 24 mph.

    Low: 31 °F

    Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 56. South wind around 7 mph becoming northwest in the afternoon.

    High: 56 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 37. North wind around 6 mph becoming calm in the evening.

    Low: 37 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 58.

    High: 58 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 64.

    High: 64 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Slight Chance
    Rain then
    Mostly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of rain after 2am. Cloudy, with a low around 43. Northwest wind 5 to 13 mph becoming southwest in the evening. Winds could gust as high as 26 mph.
Saturday
A 50 percent chance of rain before 8am. Cloudy through mid morning, then gradual clearing, with a high near 54. West wind 9 to 16 mph, with gusts as high as 28 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Clear, with a low around 31. West wind 6 to 14 mph becoming southwest after midnight. Winds could gust as high as 24 mph.
Sunday
Increasing clouds, with a high near 56. South wind around 7 mph becoming northwest in the afternoon.
Sunday Night
Mostly cloudy, with a low around 37. North wind around 6 mph becoming calm in the evening.
Monday
Mostly cloudy, with a high near 58.
Monday Night
Mostly cloudy, with a low around 43.
Tuesday
A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 64.
Tuesday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 40.
Wednesday
A slight chance of rain and snow between 11am and 2pm, then a slight chance of rain after 2pm. Partly sunny, with a high near 56.
Wednesday Night
Partly cloudy, with a low around 30.
Thursday
Sunny, with a high near 53.
Thursday Night
Mostly clear, with a low around 31.
Friday
Sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Heppner OR
 45.34°N 119.56°W (Elev. 2129 ft)
Last Update:
3:20 pm PDT Mar 20, 2026
Forecast Valid:
3pm PDT Mar 20, 2026-6pm PDT Mar 27, 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