Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Roseburg Regional Airport (KRBG)

Lat: 43.23368°NLon: 123.3577°WElev: 499.0ft.

Clear

77°F

25°C

Humidity 47%
Wind Speed NW 4 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 18 Aug 09:00 PM PDT
Extended Forecast for

Tri-city OR

  • Tonight

    Tonight: Mostly clear, with a low around 56. North wind 5 to 8 mph becoming calm  in the evening.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 88. Light north northwest wind increasing to 5 to 10 mph in the morning.

    High: 88 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. North northwest wind 5 to 10 mph becoming light north  in the evening.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 90. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57. North northwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 56. North wind 5 to 8 mph becoming calm in the evening.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 88. Light north northwest wind increasing to 5 to 10 mph in the morning.
Wednesday Night
Mostly clear, with a low around 57. North northwest wind 5 to 10 mph becoming light north in the evening.
Thursday
Sunny, with a high near 90. Calm wind becoming north northwest around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 57. North northwest wind 5 to 8 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
Mostly clear, with a low around 56.
Monday
Sunny, with a high near 87.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Tri-city OR
 42.99°N 123.31°W (Elev. 702 ft)
4:40 pm PDT Aug 18, 2026
9pm PDT Aug 18, 2026-6pm PDT Aug 25, 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