National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Hazardous Weather Conditions

Current conditions at

LOG CREEK (LGFO3)

Lat: 45.49658°NLon: 121.89646°WElev: 2854.0ft.

NA

43°F

6°C

Humidity 99%
Wind Speed SSW 3 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 07 Dec 05:06 PM PST
Extended Forecast for

Multnomah Falls OR

Flood Watch December 8, 04:00am until December 12, 04:00am
Click here for hazard details and duration
Flood Watch

  • This Afternoon

    This Afternoon: Showers likely. Mostly cloudy, with a high near 55. Breezy, with a west southwest wind around 21 mph, with gusts as high as 31 mph. Chance of precipitation is 70%.

    High: 55 °F

    Showers
    Likely and
    Breezy

  • Tonight

    Tonight: Showers likely. Cloudy, with a low around 50. Breezy, with a southwest wind 16 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 50 °F

    Showers
    Likely and
    Breezy

  • Monday

    Monday: Showers before 10am, then rain, mainly after 10am. High near 57. Very windy, with a southwest wind around 31 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 57 °F

    Showers and
    Very Windy

  • Monday Night

    Monday Night: Rain. The rain could be heavy at times. Low around 48. Very windy, with a southwest wind around 34 mph, with gusts as high as 48 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 48 °F

    Heavy Rain
    and Very
    Windy

  • Tuesday

    Tuesday: Rain. High near 57. Breezy, with a west southwest wind 11 to 17 mph becoming northwest in the morning. Winds could gust as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 57 °F

    Rain and
    Breezy

  • Tuesday Night

    Tuesday Night: Rain. The rain could be heavy at times. Low around 51. Very windy. Chance of precipitation is 100%.

    Low: 51 °F

    Heavy Rain
    and Very
    Windy

  • Wednesday

    Wednesday: Rain. The rain could be heavy at times. High near 57. Very windy. Chance of precipitation is 100%.

    High: 57 °F

    Heavy Rain
    and Very
    Windy

  • Wednesday Night

    Wednesday Night: Rain. Cloudy, with a low around 53. Windy.

    Low: 53 °F

    Rain and
    Windy

  • Thursday

    Thursday: Rain. Mostly cloudy, with a high near 58. Breezy.

    High: 58 °F

    Rain and
    Breezy

Detailed Forecast

This Afternoon
Showers likely. Mostly cloudy, with a high near 55. Breezy, with a west southwest wind around 21 mph, with gusts as high as 31 mph. Chance of precipitation is 70%.
Tonight
Showers likely. Cloudy, with a low around 50. Breezy, with a southwest wind 16 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers before 10am, then rain, mainly after 10am. High near 57. Very windy, with a southwest wind around 31 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Monday Night
Rain. The rain could be heavy at times. Low around 48. Very windy, with a southwest wind around 34 mph, with gusts as high as 48 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Tuesday
Rain. High near 57. Breezy, with a west southwest wind 11 to 17 mph becoming northwest in the morning. Winds could gust as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Tuesday Night
Rain. The rain could be heavy at times. Low around 51. Very windy. Chance of precipitation is 100%.
Wednesday
Rain. The rain could be heavy at times. High near 57. Very windy. Chance of precipitation is 100%.
Wednesday Night
Rain. Cloudy, with a low around 53. Windy.
Thursday
Rain. Mostly cloudy, with a high near 58. Breezy.
Thursday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 52.
Friday
A chance of rain. Partly sunny, with a high near 60.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 48.
Saturday
A chance of rain. Partly sunny, with a high near 57.
Saturday Night
Rain likely. Mostly cloudy, with a low around 46. Breezy.
Sunday
Rain likely. Mostly cloudy, with a high near 54. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Multnomah Falls OR
 45.58°N 122.13°W (Elev. 200 ft)
Last Update:
5:41 pm PST Dec 7, 2025
Forecast Valid:
5pm PST Dec 7, 2025-6pm PST Dec 14, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation