Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Hazardous Weather Conditions

Current conditions at

Alpine (K46U)

Lat: 43.1846°NLon: 111.0424°WElev: 5634.0ft.

haze

34°F

1°C

Humidity NA
Wind Speed N 0 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint N/A
Visibility 4.00 mi
Last update NA
Extended Forecast for

Alpine WY

  • Tonight

    Tonight: Rain likely, possibly mixed with snow showers before midnight, then rain showers between midnight and 3am, then rain, possibly mixed with snow showers after 3am.  Low around 33. South southwest wind 8 to 10 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 33 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain likely, possibly mixed with snow showers before noon, then scattered rain showers.  Mostly cloudy, with a high near 45. Southwest wind around 10 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 45 °F

    Rain/Snow
    Likely then
    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 31. South southwest wind 6 to 9 mph.

    Low: 31 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 45. South southwest wind 5 to 7 mph.

    High: 45 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 30. South southwest wind around 6 mph.

    Low: 30 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 44. South southwest wind around 6 mph.

    High: 44 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 25. South southwest wind around 6 mph.

    Low: 25 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain likely, possibly mixed with snow showers before midnight, then rain showers between midnight and 3am, then rain, possibly mixed with snow showers after 3am. Low around 33. South southwest wind 8 to 10 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Wednesday
Rain likely, possibly mixed with snow showers before noon, then scattered rain showers. Mostly cloudy, with a high near 45. Southwest wind around 10 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Wednesday Night
Mostly cloudy, with a low around 31. South southwest wind 6 to 9 mph.
Thursday
Mostly sunny, with a high near 45. South southwest wind 5 to 7 mph.
Thursday Night
Mostly cloudy, with a low around 30. South southwest wind around 6 mph.
Friday
Partly sunny, with a high near 44. South southwest wind around 6 mph.
Friday Night
Partly cloudy, with a low around 25. South southwest wind around 6 mph.
Saturday
Mostly sunny, with a high near 44.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
Mostly sunny, with a high near 45.
Sunday Night
Partly cloudy, with a low around 24.
Monday
A slight chance of rain and snow showers. Mostly sunny, with a high near 43.
Monday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 27.
Tuesday
A chance of rain and snow showers. Mostly cloudy, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
Alpine WY
 43.18°N 111.03°W (Elev. 5699 ft)
11:02 pm MST Dec 9, 2025
11pm MST Dec 9, 2025-6pm MST Dec 16, 2025
 
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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