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

Coos Bay OR

  • Tonight

    Tonight: Rain. Low around 51. South southwest wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Rain

  • Monday

    Monday: Rain likely. Mostly cloudy, with a high near 59. South southwest wind 8 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    High: 59 °F

    Rain Likely

  • Monday Night

    Monday Night: Rain. Low around 51. South southwest wind 15 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 51 °F

    Rain

  • Tuesday

    Tuesday: Rain. High near 59. South southwest wind 13 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 59 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 52. South southwest wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 52 °F

    Rain

  • Wednesday

    Wednesday: Rain. High near 60. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain, mainly before 10pm. Low around 51. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Rain then
    Chance Rain

  • Thursday

    Thursday: A chance of rain, mainly before 4pm. Patchy fog before 10am, then patchy fog after 1pm. Otherwise, partly sunny, with a high near 61.

    High: 61 °F

    Chance Rain
    and Patchy
    Fog

  • Thursday Night

    Thursday Night: A slight chance of rain before 10pm. Patchy fog. Otherwise, partly cloudy, with a low around 47.

    Low: 47 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Patchy
    Fog

Detailed Forecast

Tonight
Rain. Low around 51. South southwest wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain likely. Mostly cloudy, with a high near 59. South southwest wind 8 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Monday Night
Rain. Low around 51. South southwest wind 15 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain. High near 59. South southwest wind 13 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain. Low around 52. South southwest wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain. High near 60. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain, mainly before 10pm. Low around 51. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of rain, mainly before 4pm. Patchy fog before 10am, then patchy fog after 1pm. Otherwise, partly sunny, with a high near 61.
Thursday Night
A slight chance of rain before 10pm. Patchy fog. Otherwise, partly cloudy, with a low around 47.
Friday
Patchy fog before noon, then patchy fog after 3pm. Otherwise, mostly sunny, with a high near 61.
Friday Night
A slight chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 44.
Saturday
A chance of rain. Partly sunny, with a high near 59.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 45.
Sunday
A chance of rain. Mostly cloudy, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Coos Bay OR
 43.38°N 124.24°W (Elev. 128 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