Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

MERLIN (MLFO3)

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

NA

31°F

-1°C

Humidity 100%
Wind Speed WSW 0 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 21 Jan 07:58 AM PST
Extended Forecast for

Grants Pass OR

Air Stagnation Advisory January 21, 08:25am until January 21, 04:00pm
Freezing Fog Advisory January 21, 08:25am until January 21, 12:00pm
Click here for hazard details and duration
Air Stagnation Advisory
Freezing Fog Advisory
  •  
    Air Stagnation Advisory January 21, 08:25am until January 21, 04:00pm
    Freezing Fog Advisory January 21, 08:25am until January 21, 12:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 38 °F

    Patchy Fog

  • Tonight

    Tonight: Patchy dense fog.  Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 31. Calm wind.

    Low: 31 °F

    Patchy Dense
    Fog

  • Thursday

    Thursday: Areas of dense fog before 10am.  Otherwise, sunny, with a high near 41. Calm wind.

    High: 41 °F

    Areas Dense
    Fog then
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 10pm.  Otherwise, mostly clear, with a low around 29. Calm wind.

    Low: 29 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 10am.  Otherwise, sunny, with a high near 43. Calm wind.

    High: 43 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Clear, with a low around 28.

    Low: 28 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

Detailed Forecast

Today
Patchy fog. Otherwise, partly sunny, with a high near 38. Calm wind.
Tonight
Patchy dense fog. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 31. Calm wind.
Thursday
Areas of dense fog before 10am. Otherwise, sunny, with a high near 41. Calm wind.
Thursday Night
Patchy fog after 10pm. Otherwise, mostly clear, with a low around 29. Calm wind.
Friday
Patchy fog before 10am. Otherwise, sunny, with a high near 43. Calm wind.
Friday Night
Clear, with a low around 28.
Saturday
Sunny, with a high near 49.
Saturday Night
Mostly clear, with a low around 28.
Sunday
Partly sunny, with a high near 46.
Sunday Night
Mostly cloudy, with a low around 32.
Monday
Partly sunny, with a high near 48.
Monday Night
Partly cloudy, with a low around 32.
Tuesday
A slight chance of rain. Partly sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
Grants Pass OR
 42.44°N 123.33°W (Elev. 997 ft)
5:01 am PST Jan 21, 2026
8am PST Jan 21, 2026-6pm PST Jan 27, 2026
 
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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