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

I84 WB at Cascade Locks MP44.57 (ODT78)

Lat: 45.66931°NLon: 121.88484°WElev: 194.0ft.

NA

69°F

21°C

Humidity 31%
Wind Speed NNW 1 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 17 Mar 04:55 PM PDT
Extended Forecast for

Cascade Locks OR

  • This Afternoon

    This Afternoon: A 30 percent chance of rain. Partly sunny, with a high near 65. West southwest wind around 6 mph.

    High: 65 °F

    Chance Rain

  • Tonight

    Tonight: A 20 percent chance of rain between 4am and 5am. Partly cloudy, with a low around 51. West southwest wind 5 to 8 mph, with gusts as high as 18 mph.

    Low: 51 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: A 40 percent chance of rain, mainly after 8am. Partly sunny, with a high near 66. West southwest wind 7 to 10 mph, with gusts as high as 21 mph.

    High: 66 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 53. West southwest wind 5 to 7 mph.

    Low: 53 °F

    Chance Rain

  • Thursday

    Thursday: A 40 percent chance of rain. Partly sunny, with a high near 69. West southwest wind 5 to 10 mph, with gusts as high as 23 mph.

    High: 69 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Chance Rain

  • Friday

    Friday: Rain likely, mainly after 11am. Mostly cloudy, with a high near 67. Chance of precipitation is 70%.

    High: 67 °F

    Rain Likely

  • Friday Night

    Friday Night: Rain likely. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Rain Likely

  • Saturday

    Saturday: A chance of rain. Partly sunny, with a high near 53.

    High: 53 °F

    Chance Rain

Detailed Forecast

This Afternoon
A 30 percent chance of rain. Partly sunny, with a high near 65. West southwest wind around 6 mph.
Tonight
A 20 percent chance of rain between 4am and 5am. Partly cloudy, with a low around 51. West southwest wind 5 to 8 mph, with gusts as high as 18 mph.
Wednesday
A 40 percent chance of rain, mainly after 8am. Partly sunny, with a high near 66. West southwest wind 7 to 10 mph, with gusts as high as 21 mph.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 53. West southwest wind 5 to 7 mph.
Thursday
A 40 percent chance of rain. Partly sunny, with a high near 69. West southwest wind 5 to 10 mph, with gusts as high as 23 mph.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 54.
Friday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 67. Chance of precipitation is 70%.
Friday Night
Rain likely. Mostly cloudy, with a low around 43.
Saturday
A chance of rain. Partly sunny, with a high near 53.
Saturday Night
A slight chance of rain before 11pm. Partly cloudy, with a low around 37.
Sunday
A slight chance of rain. Snow level 2000 feet rising to 3600 feet in the afternoon. Mostly sunny, with a high near 57.
Sunday Night
Partly cloudy, with a low around 39.
Monday
A slight chance of rain. Partly sunny, with a high near 58.
Monday Night
Rain likely. Mostly cloudy, with a low around 44.
Tuesday
Rain. Mostly cloudy, with a high near 55. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cascade Locks OR
 45.68°N 121.91°W (Elev. 197 ft)
Last Update:
4:41 pm PDT Mar 17, 2026
Forecast Valid:
5pm PDT Mar 17, 2026-6pm PDT Mar 24, 2026
 
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