Critical Fire Weather in the High Plains; Heavy Snow in the Western Mountains and Northern Plains

Gusty winds and low relative humidity will bring critical fire weather to the central and southern High Plains Wednesday. Two Pacific storms will continue impacting the mountains of the western U.S. into Thursday with gusty winds and heavy snow. Heavy snow and gusty winds will continue to impact the northern Plains into the central Great Lakes Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

22°F

-6°C

Humidity	64%
Wind Speed	SSE 4 MPH
Barometer	NA
Dewpoint	11°F (-12°C)
Visibility	NA
Wind Chill	17°F (-8°C)
Last update	18 Feb 12:15 AM MST

More Information:

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

Extended Forecast for

5 Miles SSW Mammoth Hot Springs WY

Winter Weather Advisory February 18, 01:01am until February 18, 11:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory February 18, 01:01am until February 18, 11:00pm
NOW until 11:00pm Wed
Winter Weather Advisory
Overnight
Low: 13 °F
Chance Snow
Wednesday
High: 27 °F
Chance Snow
then Snow
Wednesday Night
Low: 5 °F
Snow then
Chance Snow
Thursday
High: 18 °F
Chance Snow
Thursday Night
Low: -1 °F
Mostly Cloudy
Friday
High: 20 °F
Slight Chance
Snow Showers
Friday Night
Low: 1 °F
Partly Cloudy
Saturday
High: 22 °F
Mostly Sunny

Detailed Forecast

Overnight

A 30 percent chance of snow, mainly between 2am and 4am. Mostly cloudy, with a low around 13. South southwest wind around 9 mph. Total nighttime snow accumulation of around an inch possible.

Wednesday

Snow, mainly after noon. High near 27. South wind 7 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

Wednesday Night

Snow, mainly before 11pm. Low around 5. Wind chill values as low as -5. North northwest wind 6 to 10 mph becoming west southwest after midnight. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Thursday

A chance of snow before 11am, then a chance of snow showers after 11am. Partly sunny, with a high near 18. Wind chill values as low as -5. Southwest wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

Thursday Night

Mostly cloudy, with a low around -1. South wind 5 to 8 mph.

Friday

A 20 percent chance of snow showers after 11am. Mostly sunny, with a high near 20. South southeast wind 6 to 10 mph becoming west in the afternoon. Winds could gust as high as 22 mph.

Friday Night

Partly cloudy, with a low around 1. South southwest wind around 9 mph, with gusts as high as 20 mph.

Saturday

Mostly sunny, with a high near 22.

Saturday Night

Mostly clear, with a low around 5.

Sunday

Partly sunny, with a high near 33.

Sunday Night

Partly cloudy, with a low around 14.

Monday

A chance of snow showers. Mostly sunny, with a high near 36.