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

DW6879 Union (D6879)

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

NA

36°F

2°C

Humidity 72%
Wind Speed E 0 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 28°F (-2°C)
Visibility NA
Last update 21 Mar 10:45 PM PDT
Extended Forecast for

Union OR

  • Tonight

    Tonight: Mostly clear, with a low around 30. North wind around 10 mph.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 59. Northwest wind around 6 mph.

    High: 59 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 37. North wind around 7 mph becoming southeast after midnight.

    Low: 37 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 65. Southeast wind 6 to 11 mph.

    High: 65 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 46. South wind 6 to 10 mph becoming northeast in the evening.

    Low: 46 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Rain, mainly after 11am.  High near 64. Chance of precipitation is 80%.

    High: 64 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 11pm.  Mostly cloudy, with a low around 43. Chance of precipitation is 60%.

    Low: 43 °F

    Rain Likely
    then Chance
    Rain

  • Wednesday

    Wednesday: A chance of rain before 11am, then a chance of rain and snow between 11am and 2pm, then a chance of rain after 2pm.  Partly sunny, with a high near 60. Chance of precipitation is 50%.

    High: 60 °F

    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A slight chance of rain, mixing with snow after 8pm, then gradually ending.  Snow level 5900 feet lowering to 3400 feet after midnight . Partly cloudy, with a low around 34. Breezy.  Chance of precipitation is 20%.

    Low: 34 °F

    Slight Chance
    Rain/Snow and
    Breezy then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 30. North wind around 10 mph.
Sunday
Sunny, with a high near 59. Northwest wind around 6 mph.
Sunday Night
Mostly cloudy, with a low around 37. North wind around 7 mph becoming southeast after midnight.
Monday
Partly sunny, with a high near 65. Southeast wind 6 to 11 mph.
Monday Night
Mostly cloudy, with a low around 46. South wind 6 to 10 mph becoming northeast in the evening.
Tuesday
Rain, mainly after 11am. High near 64. Chance of precipitation is 80%.
Tuesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Wednesday
A chance of rain before 11am, then a chance of rain and snow between 11am and 2pm, then a chance of rain after 2pm. Partly sunny, with a high near 60. Chance of precipitation is 50%.
Wednesday Night
A slight chance of rain, mixing with snow after 8pm, then gradually ending. Snow level 5900 feet lowering to 3400 feet after midnight . Partly cloudy, with a low around 34. Breezy. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 54.
Thursday Night
Mostly clear, with a low around 31.
Friday
Sunny, with a high near 61.
Friday Night
Partly cloudy, with a low around 36.
Saturday
Mostly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
Union OR
 45.21°N 117.86°W (Elev. 2867 ft)
11:02 pm PDT Mar 21, 2026
11pm PDT Mar 21, 2026-6pm PDT Mar 28, 2026
 
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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