Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Current conditions at

I84 WB at Cascade Locks MP44.57 (ODT78)

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

NA

43°F

6°C

Humidity 77%
Wind Speed E 6 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Wind Chill39°F (4°C)
Last update 24 Dec 02:40 AM PST
Extended Forecast for

10 Miles NE Cascade Locks OR

  • Overnight

    Overnight: Rain.  Low around 35. Windy, with an east northeast wind 20 to 22 mph, with gusts as high as 37 mph.  Chance of precipitation is 80%.

    Low: 35 °F

    Rain and
    Windy

  • Wednesday

    Wednesday: Rain, mainly before 3pm.  Snow level 6300 feet lowering to 3900 feet in the afternoon . High near 41. Breezy, with an east northeast wind 13 to 20 mph becoming west southwest in the afternoon. Winds could gust as high as 55 mph.  Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 41 °F

    Breezy. Rain
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 4am.  Snow level 3500 feet. Increasing clouds, with a low around 35. North northwest wind 7 to 13 mph becoming east northeast after midnight. Winds could gust as high as 23 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Partly Cloudy
    then Rain
    Likely

  • Christmas Day

    Christmas Day: Rain.  High near 40. Breezy, with an east northeast wind 9 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 40 °F

    Rain and
    Breezy

  • Thursday Night

    Thursday Night: Rain likely, mainly before 10pm.  Snow level 4200 feet lowering to 3500 feet after midnight . Mostly cloudy, with a low around 34. East northeast wind around 6 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Rain Likely

  • Friday

    Friday: Rain and snow showers.  Snow level 2700 feet. High near 37. Breezy.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 37 °F

    Rain/Snow and
    Breezy

  • Friday Night

    Friday Night: Rain and snow showers likely before 1am, then a chance of snow showers.  Snow level 2100 feet. Mostly cloudy, with a low around 33. Windy.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 33 °F

    Rain/Snow
    Likely and
    Windy

  • Saturday

    Saturday: A slight chance of snow showers before 10am.  Mostly cloudy, with a high near 36.

    High: 36 °F

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Rain. Low around 35. Windy, with an east northeast wind 20 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 80%.
Wednesday
Rain, mainly before 3pm. Snow level 6300 feet lowering to 3900 feet in the afternoon . High near 41. Breezy, with an east northeast wind 13 to 20 mph becoming west southwest in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain likely, mainly after 4am. Snow level 3500 feet. Increasing clouds, with a low around 35. North northwest wind 7 to 13 mph becoming east northeast after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Christmas Day
Rain. High near 40. Breezy, with an east northeast wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain likely, mainly before 10pm. Snow level 4200 feet lowering to 3500 feet after midnight . Mostly cloudy, with a low around 34. East northeast wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain and snow showers. Snow level 2700 feet. High near 37. Breezy. Chance of precipitation is 80%. Little or no snow accumulation expected.
Friday Night
Rain and snow showers likely before 1am, then a chance of snow showers. Snow level 2100 feet. Mostly cloudy, with a low around 33. Windy. Chance of precipitation is 60%. Little or no snow accumulation expected.
Saturday
A slight chance of snow showers before 10am. Mostly cloudy, with a high near 36.
Saturday Night
Mostly cloudy, with a low around 28.
Sunday
Mostly cloudy, with a high near 38.
Sunday Night
Mostly cloudy, with a low around 29.
Monday
Partly sunny, with a high near 39.
Monday Night
Mostly cloudy, with a low around 30.
Tuesday
Partly sunny, with a high near 39.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NE Cascade Locks OR
 45.79°N 121.75°W (Elev. 1955 ft)
2:41 am PST Dec 24, 2025
2am PST Dec 24, 2025-6pm PST Dec 30, 2025
 
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Additional Resources

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