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 >

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 S 9 MPH
Barometer 30.27 in (1025.06 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 07 Dec 07:20 PM PST
Extended Forecast for

13 Miles SSE Loon Lake OR

  • Tonight

    Tonight: Rain. Low around 49. South southwest wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 49 °F

    Rain

  • Monday

    Monday: Rain likely. Mostly cloudy, with a high near 51. South southwest wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Rain Likely

  • Monday Night

    Monday Night: Rain. Low around 50. Breezy, with a south southwest wind around 22 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 50 °F

    Rain and
    Breezy

  • Tuesday

    Tuesday: Rain. High near 54. South southwest wind 14 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 54 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 51. Southwest wind 16 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Rain

  • Wednesday

    Wednesday: Rain. High near 53. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 50. Chance of precipitation is 70%.

    Low: 50 °F

    Rain Likely

  • Thursday

    Thursday: A chance of rain, mainly before 4pm. Patchy fog after 1pm. Otherwise, partly sunny, with a high near 54.

    High: 54 °F

    Chance Rain
    and Patchy
    Fog

  • Thursday Night

    Thursday Night: A slight chance of rain before 10pm. Patchy fog before 7pm. Otherwise, partly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Rain. Low around 49. South southwest wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain likely. Mostly cloudy, with a high near 51. South southwest wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Rain. Low around 50. Breezy, with a south southwest wind around 22 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain. High near 54. South southwest wind 14 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain. Low around 51. Southwest wind 16 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain. High near 53. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 50. Chance of precipitation is 70%.
Thursday
A chance of rain, mainly before 4pm. Patchy fog after 1pm. Otherwise, partly sunny, with a high near 54.
Thursday Night
A slight chance of rain before 10pm. Patchy fog before 7pm. Otherwise, partly cloudy, with a low around 46.
Friday
Patchy fog before 2pm, then patchy fog after 3pm. Otherwise, mostly sunny, with a high near 53.
Friday Night
Patchy fog. Otherwise, partly cloudy, with a low around 42.
Saturday
A chance of rain. Partly sunny, with a high near 51.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 44.
Sunday
A chance of rain. Mostly cloudy, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles SSE Loon Lake OR
 43.41°N 123.76°W (Elev. 2300 ft)
Last Update:
3:41 pm PST Dec 7, 2025
Forecast Valid:
7pm 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