Heat Wave Continues in the West; Critical Fire Weather Conditions in the High 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. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Current conditions at

I84 WB at Cascade Locks MP44.57 (ODT78)

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

NA

70°F

21°C

Humidity 27%
Wind Speed SW 3 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 18 Mar 03:35 PM PDT
Extended Forecast for

3 Miles WNW Cascade Locks OR

  • This Afternoon

    This Afternoon: A 20 percent chance of rain after 4pm.  Partly sunny, with a high near 64. West southwest wind around 10 mph, with gusts as high as 23 mph.

    High: 64 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A slight chance of rain before 7pm, then a chance of rain after 9pm.  Partly cloudy, with a low around 49. West wind 6 to 8 mph, with gusts as high as 18 mph.  Chance of precipitation is 30%.

    Low: 49 °F

    Chance Rain

  • Thursday

    Thursday: A 40 percent chance of rain, mainly after 2pm.  Partly sunny, with a high near 62. West southwest wind 7 to 14 mph, with gusts as high as 28 mph.

    High: 62 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely.  Mostly cloudy, with a low around 50. Southwest wind 7 to 11 mph, with gusts as high as 25 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Rain Likely

  • Friday

    Friday: Rain.  High near 55. Breezy, with a southwest wind 8 to 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 55 °F

    Rain and
    Breezy

  • Friday Night

    Friday Night: Rain, mainly before 11pm.  Low around 38. Chance of precipitation is 80%.

    Low: 38 °F

    Rain then
    Chance Rain

  • Saturday

    Saturday: A 40 percent chance of rain, mainly before 11am.  Snow level 2900 feet lowering to 2200 feet. Mostly sunny, with a high near 49.

    High: 49 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of rain after 4pm. Partly sunny, with a high near 64. West southwest wind around 10 mph, with gusts as high as 23 mph.
Tonight
A slight chance of rain before 7pm, then a chance of rain after 9pm. Partly cloudy, with a low around 49. West wind 6 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Thursday
A 40 percent chance of rain, mainly after 2pm. Partly sunny, with a high near 62. West southwest wind 7 to 14 mph, with gusts as high as 28 mph.
Thursday Night
Rain likely. Mostly cloudy, with a low around 50. Southwest wind 7 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain. High near 55. Breezy, with a southwest wind 8 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain, mainly before 11pm. Low around 38. Chance of precipitation is 80%.
Saturday
A 40 percent chance of rain, mainly before 11am. Snow level 2900 feet lowering to 2200 feet. Mostly sunny, with a high near 49.
Saturday Night
Mostly clear, with a low around 31.
Sunday
Mostly sunny, with a high near 53.
Sunday Night
Mostly cloudy, with a low around 36.
Monday
A slight chance of rain. Snow level 3000 feet rising to 4300 feet in the afternoon. Partly sunny, with a high near 54.
Monday Night
A chance of rain. Mostly cloudy, with a low around 41.
Tuesday
Rain. Cloudy, with a high near 52. Breezy.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Cascade Locks OR
 45.7°N 121.94°W (Elev. 1257 ft)
3:42 pm PDT Mar 18, 2026
3pm PDT Mar 18, 2026-6pm PDT Mar 24, 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