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

Southwest Oregon Regional Airport (KOTH)

Lat: 43.41948°NLon: 124.2437°WElev: 10.0ft.

Overcast

57°F

14°C

Humidity 93%
Wind Speed SW 10 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 07 Dec 02:00 PM PST
Extended Forecast for

4 Miles N Loon Lake OR

  • This Afternoon

    This Afternoon: A 50 percent chance of rain. Mostly cloudy, with a high near 55. Southwest wind around 6 mph.

    High: 55 °F

    Chance Rain

  • Tonight

    Tonight: Rain. Patchy fog after 11pm. Low around 52. Light southwest wind. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Rain and
    Patchy Fog

  • Monday

    Monday: Rain likely, mainly after 10am. Mostly cloudy, with a high near 56. Southwest wind around 6 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Rain Likely

  • Monday Night

    Monday Night: Rain. Low around 52. South southwest wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 52 °F

    Rain

  • Tuesday

    Tuesday: Rain. High near 57. South southwest wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 57 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 54. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 54 °F

    Rain

  • Wednesday

    Wednesday: Rain. High near 57. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain, mainly before 10pm. Patchy fog after 1am. Otherwise, cloudy, with a low around 53.

    Low: 53 °F

    Rain and
    Patchy Fog

  • Thursday

    Thursday: A chance of rain, mainly before 4pm. Patchy fog. Otherwise, mostly cloudy, with a high near 59.

    High: 59 °F

    Chance Rain
    and Patchy
    Fog

Detailed Forecast

This Afternoon
A 50 percent chance of rain. Mostly cloudy, with a high near 55. Southwest wind around 6 mph.
Tonight
Rain. Patchy fog after 11pm. Low around 52. Light southwest wind. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain likely, mainly after 10am. Mostly cloudy, with a high near 56. Southwest wind around 6 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Rain. Low around 52. South southwest wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain. High near 57. South southwest wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain. Low around 54. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain. High near 57. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain, mainly before 10pm. Patchy fog after 1am. Otherwise, cloudy, with a low around 53.
Thursday
A chance of rain, mainly before 4pm. Patchy fog. Otherwise, mostly cloudy, with a high near 59.
Thursday Night
A slight chance of rain before 10pm. Patchy fog. Otherwise, mostly cloudy, with a low around 48.
Friday
Patchy fog. Otherwise, partly sunny, with a high near 57.
Friday Night
A slight chance of rain. Patchy fog. Otherwise, partly cloudy, with a low around 44.
Saturday
A chance of rain. Partly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Loon Lake OR
 43.64°N 123.83°W (Elev. 397 ft)
Last Update:
2:11 pm PST Dec 7, 2025
Forecast Valid:
2pm PST Dec 7, 2025-6pm PST Dec 13, 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