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

Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Hazardous Weather Conditions

Current conditions at

OLD FAITHFUL RANGER STATION (OFAW4)

Lat: 44.456667°NLon: 110.849444°WElev: 7332.0ft.

NA

34°F

1°C

Humidity 100%
Wind Speed WNW 1 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 09 Dec 04:15 PM MST
Extended Forecast for

Old Faithful WY

Winter Storm Warning December 9, 04:57pm until December 10, 05:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning December 9, 04:57pm until December 10, 05:00pm

    NOW until 5:00pm Wed

    Winter Storm Warning

  • This Afternoon

    High: 36 °F

    Snow Showers
    Likely

  • Tonight

    Tonight: Snow showers, mainly after 11pm. Low around 27. Southwest wind 7 to 9 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 27 °F

    Snow Showers
    Likely then
    Snow Showers

  • Wednesday

    Wednesday: Rain and snow showers before 2pm, then rain showers likely between 2pm and 4pm, then scattered rain and snow showers after 4pm. Snow level 7600 feet rising to 8600 feet in the afternoon. High near 40. Southwest wind 9 to 11 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of rain and snow showers before 8pm, then a chance of rain showers between 8pm and 10pm, then a chance of rain and snow showers after 10pm. Snow level 8300 feet lowering to 7400 feet after midnight . Mostly cloudy, with a low around 29. Southwest wind 8 to 10 mph. Chance of precipitation is 30%.

    Low: 29 °F

    Chance
    Rain/Snow

  • Thursday

    Thursday: A chance of snow showers before 5pm, then a chance of rain and snow showers. Partly sunny, with a high near 38. Southwest wind 7 to 9 mph. Chance of precipitation is 30%.

    High: 38 °F

    Chance Snow
    Showers then
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow showers before 8pm, then a chance of snow showers. Mostly cloudy, with a low around 28. Southwest wind around 7 mph. Chance of precipitation is 50%.

    Low: 28 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Friday

    Friday: A 40 percent chance of snow showers. Mostly cloudy, with a high near 37. Southwest wind 5 to 7 mph.

    High: 37 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Snow showers likely. Cloudy, with a high near 36. West wind around 8 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than one inch possible.
Tonight
Snow showers, mainly after 11pm. Low around 27. Southwest wind 7 to 9 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Wednesday
Rain and snow showers before 2pm, then rain showers likely between 2pm and 4pm, then scattered rain and snow showers after 4pm. Snow level 7600 feet rising to 8600 feet in the afternoon. High near 40. Southwest wind 9 to 11 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
A chance of rain and snow showers before 8pm, then a chance of rain showers between 8pm and 10pm, then a chance of rain and snow showers after 10pm. Snow level 8300 feet lowering to 7400 feet after midnight . Mostly cloudy, with a low around 29. Southwest wind 8 to 10 mph. Chance of precipitation is 30%.
Thursday
A chance of snow showers before 5pm, then a chance of rain and snow showers. Partly sunny, with a high near 38. Southwest wind 7 to 9 mph. Chance of precipitation is 30%.
Thursday Night
A chance of rain and snow showers before 8pm, then a chance of snow showers. Mostly cloudy, with a low around 28. Southwest wind around 7 mph. Chance of precipitation is 50%.
Friday
A 40 percent chance of snow showers. Mostly cloudy, with a high near 37. Southwest wind 5 to 7 mph.
Friday Night
Mostly cloudy, with a low around 22.
Saturday
A 20 percent chance of snow showers before 11am. Partly sunny, with a high near 37.
Saturday Night
Partly cloudy, with a low around 19.
Sunday
Mostly sunny, with a high near 40.
Sunday Night
Partly cloudy, with a low around 18.
Monday
A slight chance of snow showers. Mostly sunny, with a high near 38.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Old Faithful WY
 44.46°N 110.82°W (Elev. 7398 ft)
Last Update:
4:01 pm MST Dec 9, 2025
Forecast Valid:
4pm MST Dec 9, 2025-6pm MST Dec 15, 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