Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

Lat: 44.977222°NLon: 110.695278°WElev: 6138.0ft.

30°F

-1°C

Humidity	72%
Wind Speed	SE 4 MPH
Barometer	NA
Dewpoint	22°F (-6°C)
Visibility	NA
Wind Chill	26°F (-3°C)
Last update	07 Dec 06:15 PM MST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

6 Miles WSW Gardiner MT

Tonight
Low: 18 °F
Snow Showers
and Blowing
Snow
Monday
High: 20 °F
Isolated Snow
Showers and
Patchy
Blowing Snow
Monday Night
Low: 20 °F
Snow Showers
Likely and
Very Windy
Tuesday
High: 27 °F
Snow Showers
and Very
Windy
Tuesday Night
Low: 23 °F
Snow Showers
and Windy
Wednesday
High: 30 °F
Snow Showers
and Windy
Wednesday Night
Low: 23 °F
Snow Showers
Likely and
Windy
Thursday
High: 26 °F
Snow Showers
Likely and
Breezy
Thursday Night
Low: 22 °F
Chance Snow
Showers and
Breezy

Detailed Forecast

Tonight

Snow showers, mainly before 2am. Widespread blowing snow, mainly between 11pm and midnight. Low around 18. Wind chill values as low as zero. Windy, with a west southwest wind around 29 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 3 inches possible.

Monday

Isolated snow showers after 2pm. Patchy blowing snow. Mostly cloudy, with a steady temperature around 20. Windy, with a west southwest wind 21 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.

Monday Night

Snow showers likely. Mostly cloudy, with a low around 20. Very windy, with a south southwest wind 33 to 41 mph, with gusts as high as 50 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

Tuesday

Snow showers. High near 27. Very windy, with a southwest wind 33 to 38 mph decreasing to 20 to 25 mph in the afternoon. Winds could gust as high as 47 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Tuesday Night

Snow showers. Low around 23. Windy, with a southwest wind 21 to 30 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

Wednesday

Snow showers. High near 30. Windy, with a west southwest wind 22 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 90%.

Wednesday Night

Snow showers likely. Mostly cloudy, with a low around 23. Windy, with a west wind around 30 mph, with gusts as high as 41 mph. Chance of precipitation is 70%.

Thursday

Snow showers likely. Mostly cloudy, with a high near 26. Breezy. Chance of precipitation is 60%.

Thursday Night

A 40 percent chance of snow showers. Mostly cloudy, with a low around 22. Breezy.

Friday

A 40 percent chance of snow showers. Mostly cloudy, with a high near 25. Breezy.

Friday Night

Mostly cloudy, with a low around 23. Breezy.

Saturday

Mostly sunny, with a high near 25. Breezy.

Saturday Night

Partly cloudy, with a low around 21. Windy.