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

MERLIN (MLFO3)

Lat: 42.49975°NLon: 123.36917°WElev: 1144.0ft.

NA

48°F

9°C

Humidity 100%
Wind Speed S 0 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 07 Dec 07:58 PM PST
Extended Forecast for

4 Miles W Grants Pass OR

  • Tonight

    Tonight: A 30 percent chance of rain, mainly after midnight. Patchy dense fog after 10pm. Otherwise, mostly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Chance Rain
    and Patchy
    Dense Fog

  • Monday

    Monday: A 30 percent chance of rain, mainly before 9am. Patchy dense fog before 1pm. Otherwise, partly sunny, with a high near 57. Calm wind.

    High: 57 °F

    Chance Rain
    and Patchy
    Dense Fog

  • Monday Night

    Monday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 43. South southwest wind 8 to 10 mph.

    Low: 43 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: Rain likely, mainly after 4pm. Mostly cloudy, with a high near 56. South southwest wind around 6 mph. Chance of precipitation is 60%.

    High: 56 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 48. South southwest wind 3 to 6 mph. Chance of precipitation is 60%.

    Low: 48 °F

    Rain Likely

  • Wednesday

    Wednesday: A 40 percent chance of rain, mainly before 4pm. Patchy fog before 1pm. Otherwise, mostly cloudy, with a high near 60.

    High: 60 °F

    Chance Rain
    and Patchy
    Fog

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before 10pm. Patchy fog. Otherwise, mostly cloudy, with a low around 44.

    Low: 44 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Patchy
    Fog

  • Thursday

    Thursday: Areas of fog before noon. Otherwise, mostly sunny, with a high near 59.

    High: 59 °F

    Areas Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Areas of fog. Otherwise, mostly clear, with a low around 40.

    Low: 40 °F

    Areas Fog

Detailed Forecast

Tonight
A 30 percent chance of rain, mainly after midnight. Patchy dense fog after 10pm. Otherwise, mostly cloudy, with a low around 43. Calm wind.
Monday
A 30 percent chance of rain, mainly before 9am. Patchy dense fog before 1pm. Otherwise, partly sunny, with a high near 57. Calm wind.
Monday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 43. South southwest wind 8 to 10 mph.
Tuesday
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 56. South southwest wind around 6 mph. Chance of precipitation is 60%.
Tuesday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 48. South southwest wind 3 to 6 mph. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of rain, mainly before 4pm. Patchy fog before 1pm. Otherwise, mostly cloudy, with a high near 60.
Wednesday Night
A 20 percent chance of rain before 10pm. Patchy fog. Otherwise, mostly cloudy, with a low around 44.
Thursday
Areas of fog before noon. Otherwise, mostly sunny, with a high near 59.
Thursday Night
Areas of fog. Otherwise, mostly clear, with a low around 40.
Friday
Areas of fog before noon. Otherwise, mostly sunny, with a high near 59.
Friday Night
Patchy fog. Otherwise, mostly clear, with a low around 36.
Saturday
Mostly sunny, with a high near 58.
Saturday Night
A slight chance of rain. Partly cloudy, with a low around 39.
Sunday
A slight chance of rain. Partly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Grants Pass OR
 42.45°N 123.39°W (Elev. 997 ft)
Last Update:
3:41 pm PST Dec 7, 2025
Forecast Valid:
8pm PST Dec 7, 2025-6pm PST Dec 14, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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