National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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 which has lead to areas of urban and river flooding along with 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

TOWER FALLS RANGER STATION AT YELLOWSTONE NP (TFAW4)

Lat: 44.916944°NLon: 110.420556°WElev: 6279.0ft.

NA

35°F

2°C

Humidity 94%
Wind Speed SE 1 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 09 Dec 04:15 PM MST
Extended Forecast for

Tower Junction WY

Winter Storm Warning December 9, 05:30pm until December 10, 05:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning December 9, 05:30pm until December 10, 05:00pm

    NOW until 5:00pm Wed

    Winter Storm Warning

  • This Afternoon

    High: 36 °F

    Scattered
    Snow Showers

  • Tonight

    Tonight: Snow showers before 5am, then rain and snow showers. Low around 25. West wind 5 to 7 mph becoming light and variable. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 25 °F

    Scattered
    Snow Showers
    then
    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow showers, becoming all rain after 8am. High near 44. West southwest wind 6 to 10 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 44 °F

    Rain/Snow
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 32. Southwest wind 6 to 9 mph.

    Low: 32 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers, mainly after 11am. Snow level 7100 feet. Mostly cloudy, with a high near 43. Southwest wind 5 to 8 mph.

    High: 43 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Rain showers likely before 2am, then rain likely, possibly mixed with snow showers. Snow level 7300 feet. Mostly cloudy, with a low around 31. West southwest wind around 6 mph. Chance of precipitation is 60%.

    Low: 31 °F

    Showers
    Likely then
    Rain/Snow
    Likely

  • Friday

    Friday: A chance of rain and snow showers before 11am, then a chance of rain showers. Snow level 6900 feet rising to 7500 feet in the afternoon. Mostly cloudy, with a high near 42. West southwest wind 3 to 7 mph. Chance of precipitation is 50%.

    High: 42 °F

    Chance
    Rain/Snow
    then Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of rain and snow showers after 11pm. Snow level 7300 feet lowering to 6300 feet after midnight . Mostly cloudy, with a low around 25. Chance of precipitation is 20%.

    Low: 25 °F

    Slight Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Scattered snow showers. Partly sunny, with a steady temperature around 36. West wind around 8 mph. Chance of precipitation is 30%.
Tonight
Snow showers before 5am, then rain and snow showers. Low around 25. West wind 5 to 7 mph becoming light and variable. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Wednesday
Rain and snow showers, becoming all rain after 8am. High near 44. West southwest wind 6 to 10 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 32. Southwest wind 6 to 9 mph.
Thursday
A 30 percent chance of showers, mainly after 11am. Snow level 7100 feet. Mostly cloudy, with a high near 43. Southwest wind 5 to 8 mph.
Thursday Night
Rain showers likely before 2am, then rain likely, possibly mixed with snow showers. Snow level 7300 feet. Mostly cloudy, with a low around 31. West southwest wind around 6 mph. Chance of precipitation is 60%.
Friday
A chance of rain and snow showers before 11am, then a chance of rain showers. Snow level 6900 feet rising to 7500 feet in the afternoon. Mostly cloudy, with a high near 42. West southwest wind 3 to 7 mph. Chance of precipitation is 50%.
Friday Night
A slight chance of rain and snow showers after 11pm. Snow level 7300 feet lowering to 6300 feet after midnight . Mostly cloudy, with a low around 25. Chance of precipitation is 20%.
Saturday
A 20 percent chance of snow showers before 11am. Partly sunny, with a high near 41.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
Mostly sunny, with a high near 44.
Sunday Night
Partly cloudy, with a low around 19.
Monday
Mostly sunny, with a high near 42.
Monday Night
Mostly cloudy, with a low around 23.
Tuesday
A chance of snow showers. Partly sunny, with a high near 41.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Tower Junction WY
 44.92°N 110.41°W (Elev. 6201 ft)
Last Update:
5:17 pm MST Dec 9, 2025
Forecast Valid:
5pm MST Dec 9, 2025-6pm MST Dec 16, 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