Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Many locations are likely to set records for the highest-ever March temperature. Periods of critical fire weather will persist from the central Rockies to the central Plains through Saturday as gusty winds and low relative humidity continue. Read More >

Current conditions at

I84 WB at Cascade Locks MP44.57 (ODT78)

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

NA

55°F

13°C

Humidity 64%
Wind Speed NNW 0 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 19 Mar 09:05 AM PDT
Extended Forecast for

4 Miles SSW Cascade Locks OR

  • Today

    Today: A 30 percent chance of rain, mainly after 3pm.  Mostly sunny, with a high near 65. Calm wind becoming west southwest around 5 mph.

    High: 65 °F

    Chance Rain

  • Tonight

    Tonight: A 50 percent chance of rain.  Mostly cloudy, with a low around 52. Calm wind.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Chance Rain

  • Friday

    Friday: Rain, mainly after 11am.  High near 61. Calm wind becoming west southwest around 5 mph in the afternoon.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 61 °F

    Rain

  • Friday Night

    Friday Night: Rain.  Low around 39. West wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Rain

  • Saturday

    Saturday: A 40 percent chance of rain, mainly before 11am.  Snow level 2900 feet lowering to 2400 feet. Mostly sunny, with a high near 50. Light west wind.

    High: 50 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of rain after 11am.  Mostly cloudy, with a high near 59.

    High: 59 °F

    Slight Chance
    Rain

Detailed Forecast

Today
A 30 percent chance of rain, mainly after 3pm. Mostly sunny, with a high near 65. Calm wind becoming west southwest around 5 mph.
Tonight
A 50 percent chance of rain. Mostly cloudy, with a low around 52. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain, mainly after 11am. High near 61. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain. Low around 39. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A 40 percent chance of rain, mainly before 11am. Snow level 2900 feet lowering to 2400 feet. Mostly sunny, with a high near 50. Light west wind.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Mostly sunny, with a high near 55.
Sunday Night
Mostly cloudy, with a low around 40.
Monday
A slight chance of rain after 11am. Mostly cloudy, with a high near 59.
Monday Night
A chance of rain. Mostly cloudy, with a low around 46.
Tuesday
Rain. Mostly cloudy, with a high near 56.
Tuesday Night
Rain. Cloudy, with a low around 38.
Wednesday
Rain. Mostly cloudy, with a high near 48.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Cascade Locks OR
 45.62°N 121.89°W (Elev. 833 ft)
8:41 am PDT Mar 19, 2026
9am PDT Mar 19, 2026-6pm PDT Mar 25, 2026
 
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