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Significant Snowfall for Washington Cascades and Northern Rocky Mountains

A cold front will linger for several days from the Pacific Northwest to portions of the northern Plains early this week. Cold temperatures and copious moisture will combine to produce several feet of snow into the mountain passes, with up to 4 feet of snow down to 4000 feet in the northern Rockies. Travel through mountain passes will be very difficult. Read More >

Hazardous Weather Conditions

Current conditions at

Yellowstone Lake (KP60)

Lat: 44.54444° N Lon: 110.42111° W Elev: 7835 ft.

NA

15°F

-9°C

Humidity 83%
Wind Speed calm
Barometer 30.06 in (1024.1 mb)
Dewpoint 11°F (-12°C)
Visibility NA
Last update 18 Dec 4:56 am MST
Detailed forecast for

Yellowstone National Park

Early This Morning
Breezy. Cloudy with scattered snow showers. Lows 8 to 14. Southwest winds 15 to 25 mph with gusts to around 50 mph. Chance of snow 40 percent.
Today
Breezy. Cloudy with scattered snow showers. Highs 21 to 27. Southwest winds 15 to 25 mph. Chance of snow 40 percent.
Tonight
Cloudy with scattered snow showers. Snow accumulation of 1 to 2 inches. Lows 16 to 22. Southwest winds around 15 mph. Chance of snow 50 percent.
Tuesday
Cloudy with a 50 percent chance of snow. Snow accumulation up to 1 inch. Highs 26 to 32. Southwest winds around 15 mph.
Tuesday Night
Cloudy. Chance of snow in the evening, then snow likely after midnight. Snow accumulation up to 1 inch. Lows 18 to 24. Southwest winds around 15 mph. Chance of snow 70 percent.
Wednesday
Snow. Snow accumulation of 3 to 5 inches. Highs 25 to 31. Southwest winds around 15 mph. Chance of snow 80 percent.
Wednesday Night
Colder, cloudy. Snow likely in the evening, then chance of snow after midnight. Light snow accumulations. Lows 2 to 8. Chance of snow 70 percent.
Thursday
Partly cloudy. Highs 14 to 20.
Thursday Night
Partly cloudy with slight chance of snow in the evening, then mostly cloudy with snow likely after midnight. Lows 1 to 7. Chance of snow 60 percent.
Friday
Snow likely. Highs 11 to 17. Chance of snow 60 percent. Wind chill readings 16 below to 26 below zero.
Friday Night
Colder. Cloudy with a 30 percent chance of snow. Lows 3 below to 11 below zero. Wind chill readings 24 below to 34 below zero.
Saturday
Mostly cloudy. Highs 2 to 8. Wind chill readings 25 below to 35 below zero.
Saturday Night
Colder. Partly cloudy. Lows 7 below to 17 below zero. Wind chill readings 29 below to 39 below zero.
Sunday
Partly cloudy. Highs 3 to 9. Lowest wind chill readings 30 below to 40 below zero in the morning.



Click Map For Forecast
421 AM MST Mon Dec 18 2017
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database