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

Early Heat Wave in the West; Fire Concerns in the 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. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Current conditions at

DW6879 Union (D6879)

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

NA

54°F

12°C

Humidity 57%
Wind Speed SSE 14 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 39°F (4°C)
Visibility NA
Last update 17 Mar 12:30 PM PDT
Extended Forecast for

Union OR

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 69. South wind around 10 mph.

    High: 69 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 45. South wind 8 to 11 mph.

    Low: 45 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 74. South wind around 11 mph, with gusts as high as 18 mph.

    High: 74 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 48. West wind 7 to 9 mph becoming south in the evening.

    Low: 48 °F

    Mostly 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.

    Low: 50 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 75.

    High: 75 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A 40 percent chance of rain. Mostly cloudy, with a high near 60.

    High: 60 °F

    Chance Rain

Detailed Forecast

This Afternoon
Partly sunny, with a high near 69. South wind around 10 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 45. South wind 8 to 11 mph.
Wednesday
Sunny, with a high near 74. South wind around 11 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly cloudy, with a low around 48. West wind 7 to 9 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.
Friday
Partly sunny, with a high near 75.
Friday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 47.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 60.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Partly sunny, with a high near 58.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 34.
Monday
A slight chance of rain. Mostly cloudy, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Union OR
 45.21°N 117.86°W (Elev. 2867 ft)
Last Update:
10:16 am PDT Mar 17, 2026
Forecast Valid:
12pm PDT Mar 17, 2026-6pm PDT Mar 23, 2026
 
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