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

Dangerous Heat in the West; Flash Flooding Possible Across the Southern US

Dangerous heat is expected across areas in Texas and from Washington through California. Several daily high temperature records are expected to be either tied or broken in the West. Monsoonal showers and thunderstorms may result in flash flooding and debris flows over the Southwestern U.S. through Friday. Locally heavy rain is expected from thunderstorms in the Southeast. Read More >

Hazardous Weather Conditions

Current conditions at

Portland-Hillsboro Airport (KHIO)

Lat: 45.54765°NLon: 122.95568°WElev: 194ft.

Clear

70°F

21°C

Humidity 64%
Wind Speed WNW 8 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 17 Aug 12:20 AM PDT
Extended Forecast for

Cedar Hills OR

Heat Advisory August 17, 12:00pm until August 18, 10:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Clear, with a low around 64. Light northwest wind.

    Clear

    Low: 64 °F

  • Wednesday

    Wednesday: Sunny and hot, with a high near 100. North wind 3 to 7 mph.

    Hot

    High: 100 °F

  • Wednesday
    Night

    Wednesday Night: Mostly cloudy, with a low around 72. North wind 5 to 7 mph becoming calm in the evening.

    Mostly Cloudy

    Low: 72 °F

  • Thursday

    Thursday: Partly sunny and hot, with a high near 99. Calm wind becoming west around 5 mph.

    Hot

    High: 99 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 66. Calm wind becoming north northwest around 5 mph.

    Partly Cloudy

    Low: 66 °F

  • Friday

    Friday: Partly sunny, with a high near 86.

    Partly Sunny

    High: 86 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 60.

    Mostly Clear

    Low: 60 °F

  • Saturday

    Saturday: Sunny, with a high near 89.

    Sunny

    High: 89 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 61.

    Partly Cloudy

    Low: 61 °F

Detailed Forecast

Overnight
Clear, with a low around 64. Light northwest wind.
Wednesday
Sunny and hot, with a high near 100. North wind 3 to 7 mph.
Wednesday Night
Mostly cloudy, with a low around 72. North wind 5 to 7 mph becoming calm in the evening.
Thursday
Partly sunny and hot, with a high near 99. Calm wind becoming west around 5 mph.
Thursday Night
Partly cloudy, with a low around 66. Calm wind becoming north northwest around 5 mph.
Friday
Partly sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 89.
Saturday Night
Partly cloudy, with a low around 61.
Sunday
Partly sunny, with a high near 89.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 87.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Sunny, with a high near 89.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Cedar Hills OR
 45.49°N 122.78°W (Elev. 364 ft)
Last Update:
12:01 am PDT Aug 17, 2022
Forecast Valid:
12am PDT Aug 17, 2022-6pm PDT Aug 22, 2022
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation