Tracking a Winter Storm; Unusual Early-Season Heat Wave in the Southwest

A major winter storm will organize across the Northern Plains today and then rapidly strengthen as it moves into the Great Lakes on Sunday. Heavy snow and blowing snow are likely to persist over the Great Lakes into Monday night. Dry and gusty winds will produce a critical fire risk across the central/southern Plains. An early heatwave will begin to intensify over the western U.S. into next week. Read More >

Current conditions at

I84 WB at Cascade Locks MP44.57 (ODT78)

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

NA

35°F

2°C

Humidity 84%
Wind Speed ESE 0 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 15 Mar 12:51 AM PDT
Extended Forecast for

7 Miles S Cascade Locks OR

  • Overnight

    Overnight: Widespread frost before 2am.  Otherwise, mostly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Frost

  • Sunday

    Sunday: A slight chance of snow before 11am, then a chance of rain and snow between 11am and 2pm, then rain likely after 2pm.  Snow level rising to 4300 feet in the afternoon. Mostly cloudy, with a high near 47. Calm wind.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 47 °F

    Slight Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Sunday Night

    Sunday Night: A chance of rain before 9pm, then a slight chance of rain after 2am.  Cloudy, then gradually becoming partly cloudy, with a low around 41. Calm wind.  Chance of precipitation is 40%.

    Low: 41 °F

    Chance Rain

  • Monday

    Monday: A 30 percent chance of rain, mainly before 11am.  Mostly sunny, with a high near 61. Light west southwest wind.

    High: 61 °F

    Chance Rain

  • Monday Night

    Monday Night: A 30 percent chance of rain after 11pm.  Increasing clouds, with a low around 46. Light southwest wind.

    Low: 46 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain likely.  Mostly cloudy, with a high near 58. Chance of precipitation is 60%.

    High: 58 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain likely.  Mostly cloudy, with a low around 45. Chance of precipitation is 60%.

    Low: 45 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain likely.  Mostly cloudy, with a high near 59.

    High: 59 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain likely.  Mostly cloudy, with a low around 48.

    Low: 48 °F

    Rain Likely

Detailed Forecast

Overnight
Widespread frost before 2am. Otherwise, mostly cloudy, with a low around 30. Calm wind.
Sunday
A slight chance of snow before 11am, then a chance of rain and snow between 11am and 2pm, then rain likely after 2pm. Snow level rising to 4300 feet in the afternoon. Mostly cloudy, with a high near 47. Calm wind. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday Night
A chance of rain before 9pm, then a slight chance of rain after 2am. Cloudy, then gradually becoming partly cloudy, with a low around 41. Calm wind. Chance of precipitation is 40%.
Monday
A 30 percent chance of rain, mainly before 11am. Mostly sunny, with a high near 61. Light west southwest wind.
Monday Night
A 30 percent chance of rain after 11pm. Increasing clouds, with a low around 46. Light southwest wind.
Tuesday
Rain likely. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Wednesday
Rain likely. Mostly cloudy, with a high near 59.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 48.
Thursday
Rain likely. Mostly cloudy, with a high near 60.
Thursday Night
Rain likely. Mostly cloudy, with a low around 48.
Friday
A chance of rain. Partly sunny, with a high near 64.
Friday Night
A chance of rain. Mostly cloudy, with a low around 46.
Saturday
A chance of rain. Partly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles S Cascade Locks OR
 45.58°N 121.85°W (Elev. 2018 ft)
12:41 am PDT Mar 15, 2026
1am PDT Mar 15, 2026-6pm PDT Mar 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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