Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

DEER MOUNTAIN (DMFW1)

Lat: 48.79608°NLon: 117.44594°WElev: 3340.0ft.

NA

27°F

-3°C

Humidity 83%
Wind Speed SW 2 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility NA
Last update 28 Jan 07:56 AM PST
Extended Forecast for

11 Miles E Ione WA

Winter Weather Advisory January 28, 08:40am until January 28, 10:00am
Click here for hazard details and duration
...
  •  
    Winter Weather Advisory January 28, 08:40am until January 28, 10:00am

    NOW until 10:00am Wed

    Winter Weather Advisory

  • Today

    High: 29 °F

    Chance Snow

  • Tonight

    Tonight: Snow likely, mainly after 4am.  Cloudy, with a low around 23. Calm wind.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 23 °F

    Snow Likely

  • Thursday

    Thursday: Snow.  High near 32. Calm wind becoming south around 5 mph in the afternoon.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 32 °F

    Snow

  • Thursday Night

    Thursday Night: Snow likely before 1am, then snow, possibly mixed with rain.  Low around 29. Light southeast wind.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 29 °F

    Snow Likely
    then
    Rain/Snow

  • Friday

    Friday: Rain, possibly mixed with snow, mainly before 4pm.  Snow level 4900 feet. High near 35. South wind 3 to 5 mph.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Rain/Snow

  • Friday Night

    Friday Night: A chance of rain and snow before 10pm.  Snow level 4800 feet. Mostly cloudy, with a low around 29. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Saturday

    Saturday: A slight chance of rain and snow after 10am.  Snow level 4600 feet. Mostly cloudy, with a high near 36. Chance of precipitation is 20%.

    High: 36 °F

    Slight Chance
    Rain/Snow

  • Saturday Night

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

    Low: 28 °F

    Mostly Cloudy

Detailed Forecast

Today
A 40 percent chance of snow before 1pm. Mostly cloudy, with a high near 29. Light and variable wind becoming west around 6 mph in the morning. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow likely, mainly after 4am. Cloudy, with a low around 23. Calm wind. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Thursday
Snow. High near 32. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
Snow likely before 1am, then snow, possibly mixed with rain. Low around 29. Light southeast wind. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Friday
Rain, possibly mixed with snow, mainly before 4pm. Snow level 4900 feet. High near 35. South wind 3 to 5 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Friday Night
A chance of rain and snow before 10pm. Snow level 4800 feet. Mostly cloudy, with a low around 29. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Saturday
A slight chance of rain and snow after 10am. Snow level 4600 feet. Mostly cloudy, with a high near 36. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, with a low around 28.
Sunday
A 20 percent chance of rain after 10am. Snow level 5200 feet. Mostly cloudy, with a high near 39.
Sunday Night
A chance of rain and snow. Snow level 4700 feet. Mostly cloudy, with a low around 30. Chance of precipitation is 40%.
Monday
A 50 percent chance of snow. Mostly cloudy, with a high near 34.
Monday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 27.
Tuesday
Partly sunny, with a high near 36.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles E Ione WA
 48.74°N 117.2°W (Elev. 4386 ft)
6:03 am PST Jan 28, 2026
8am PST Jan 28, 2026-6pm PST Feb 3, 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