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

51°F

11°C

Humidity 68%
Wind Speed E 0 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 17 Mar 04:01 AM PDT
Extended Forecast for

11 Miles NNE Cascade Locks OR

  • Overnight

    Overnight: A 20 percent chance of rain. Partly cloudy, with a low around 43. West wind around 13 mph, with gusts as high as 21 mph.

    Low: 43 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: Rain likely, mainly between 11am and 3pm. Partly sunny, with a high near 51. West wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 44. West wind 9 to 13 mph, with gusts as high as 20 mph.

    Low: 44 °F

    Chance Rain

  • Wednesday

    Wednesday: A 50 percent chance of rain. Partly sunny, with a high near 55. West wind 11 to 13 mph, with gusts as high as 21 mph.

    High: 55 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 46. West northwest wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 46 °F

    Chance Rain

  • Thursday

    Thursday: A 40 percent chance of rain. Partly sunny, with a high near 58.

    High: 58 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance Rain

  • Friday

    Friday: Rain likely. Mostly cloudy, with a high near 53. Breezy.

    High: 53 °F

    Rain Likely
    and Breezy

  • Friday Night

    Friday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 37. Breezy.

    Low: 37 °F

    Rain Likely
    and Breezy

Detailed Forecast

Overnight
A 20 percent chance of rain. Partly cloudy, with a low around 43. West wind around 13 mph, with gusts as high as 21 mph.
Tuesday
Rain likely, mainly between 11am and 3pm. Partly sunny, with a high near 51. West wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
A 30 percent chance of rain, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 44. West wind 9 to 13 mph, with gusts as high as 20 mph.
Wednesday
A 50 percent chance of rain. Partly sunny, with a high near 55. West wind 11 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 46. West northwest wind 9 to 11 mph, with gusts as high as 20 mph.
Thursday
A 40 percent chance of rain. Partly sunny, with a high near 58.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 47.
Friday
Rain likely. Mostly cloudy, with a high near 53. Breezy.
Friday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 37. Breezy.
Saturday
A chance of rain. Snow level 4300 feet lowering to 3500 feet. Partly sunny, with a high near 44. Breezy.
Saturday Night
A slight chance of rain. Snow level 4000 feet lowering to 2800 feet after midnight . Partly cloudy, with a low around 31. Breezy.
Sunday
A slight chance of rain and snow. Snow level rising to 3800 feet in the afternoon. Partly sunny, with a high near 46.
Sunday Night
A slight chance of rain and snow. Snow level 4200 feet lowering to 3200 feet after midnight . Partly cloudy, with a low around 31. Breezy.
Monday
A chance of rain and snow. Snow level 2800 feet rising to 3600 feet in the afternoon. Partly sunny, with a high near 46.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NNE Cascade Locks OR
 45.81°N 121.76°W (Elev. 2795 ft)
Last Update:
3:42 am PDT Mar 17, 2026
Forecast Valid:
4am PDT Mar 17, 2026-6pm PDT Mar 23, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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