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

DW6879 Union (D6879)

Lat: 45.1985°NLon: 117.86483°WElev: 2774.54ft.

NA

45°F

7°C

Humidity 67%
Wind Speed SSE 0 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 35°F (2°C)
Visibility NA
Last update 18 Mar 07:01 AM PDT
Extended Forecast for

Union OR

  • Today

    Today: Increasing clouds, with a high near 76. South wind around 11 mph, with gusts as high as 18 mph.

    High: 76 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 48. North wind around 7 mph becoming south in the evening.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 76. South wind 8 to 14 mph, with gusts as high as 22 mph.

    High: 76 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 50. West wind 8 to 10 mph becoming southeast after midnight.

    Low: 50 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 77. South wind 9 to 17 mph, with gusts as high as 26 mph.

    High: 77 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A 40 percent chance of rain, mainly before 11am. Mostly cloudy, with a high near 57.

    High: 57 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 76. South wind around 11 mph, with gusts as high as 18 mph.
Tonight
Partly cloudy, with a low around 48. North wind around 7 mph becoming south in the evening.
Thursday
Mostly sunny, with a high near 76. South wind 8 to 14 mph, with gusts as high as 22 mph.
Thursday Night
Mostly cloudy, with a low around 50. West wind 8 to 10 mph becoming southeast after midnight.
Friday
Partly sunny, with a high near 77. South wind 9 to 17 mph, with gusts as high as 26 mph.
Friday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 44.
Saturday
A 40 percent chance of rain, mainly before 11am. Mostly cloudy, with a high near 57.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Mostly sunny, with a high near 57.
Sunday Night
Partly cloudy, with a low around 34.
Monday
A slight chance of rain. Mostly cloudy, with a high near 61.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 41.
Tuesday
Rain likely. Partly sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Union OR
 45.21°N 117.86°W (Elev. 2867 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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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation