Heat Wave Persists Over the Central U.S.; Significant Flooding Expected in the Northern Mid-Atlantic Tuesday

Dangerous and extreme heat will remain across portions of the Central U.S. this week, persisting across the Mid to Lower Mississippi Valleys, Gulf Coast, Southern Plains and portions of Texas. A heat wave over the Southwest will intensify late this week. Severe thunderstorms and flash flooding will spread from the Great Lakes/Ohio Valley to the Mid-Atlantic and Northeast the next few days. Read More >

Hazardous Weather Conditions

Current conditions at

DW6879 Union (D6879)

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

NA

87°F

31°C

Humidity 26%
Wind Speed WNW 5 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 48°F (9°C)
Visibility NA
Heat Index84°F (29°C)
Last update 27 Jul 06:00 PM PDT
Extended Forecast for

7 Miles ESE Union OR

  • Tonight

    Tonight: Widespread smoke, mainly before 11pm. Mostly clear, with a low around 54. Northwest wind 5 to 14 mph, with gusts as high as 22 mph.

    Low: 54 °F

    Smoke

  • Tuesday

    Tuesday: Widespread smoke, mainly after 5pm. Sunny, with a high near 86. Northwest wind 6 to 14 mph, with gusts as high as 23 mph.

    High: 86 °F

    Smoke

  • Tuesday Night

    Tuesday Night: Widespread smoke before 8pm. Mostly clear, with a low around 53. North wind 8 to 16 mph, with gusts as high as 25 mph.

    Low: 53 °F

    Smoke then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87. Northwest wind 7 to 9 mph.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54. North wind 5 to 15 mph, with gusts as high as 23 mph.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

Detailed Forecast

Tonight
Widespread smoke, mainly before 11pm. Mostly clear, with a low around 54. Northwest wind 5 to 14 mph, with gusts as high as 22 mph.
Tuesday
Widespread smoke, mainly after 5pm. Sunny, with a high near 86. Northwest wind 6 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
Widespread smoke before 8pm. Mostly clear, with a low around 53. North wind 8 to 16 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 87. Northwest wind 7 to 9 mph.
Wednesday Night
Mostly clear, with a low around 54. North wind 5 to 15 mph, with gusts as high as 23 mph.
Thursday
Sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 94.
Friday Night
Clear, with a low around 58.
Saturday
Sunny, with a high near 90.
Saturday Night
Mostly clear, with a low around 53. Breezy.
Sunday
Sunny, with a high near 80.
Sunday Night
Clear, with a low around 48.
Monday
Sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles ESE Union OR
 45.16°N 117.76°W (Elev. 3399 ft)
4:52 pm PDT Jul 27, 2026
6pm PDT Jul 27, 2026-6pm PDT Aug 3, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database