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

Blizzard Conditions Continue Tonight Across Coastal Maine; Critical Fire Weather in the Southern Plains Tuesday

Heavy snow and strong winds will continue into Tuesday morning across Maine as the major winter storm departs off the coast. Blizzard Warnings and Winter Storm Warnings remain in effect. Strong winds and dry conditions will promote elevated to critical fire weather conditions across southeast Colorado into the southern High Plains Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

40°F

4°C

Humidity 42%
Wind Speed S 2 MPH
Barometer NA
Dewpoint 18°F (-8°C)
Visibility NA
Last update 23 Feb 06:15 PM MST
Extended Forecast for

Mammoth WY

Winter Storm Warning February 24, 05:00am until February 25, 05:00pm
Click here for hazard details and duration
Winter Storm Warning

  • Tonight

    Tonight: Snow showers likely, mainly after 5am. Mostly cloudy, with a low around 33. Breezy, with a south southeast wind 11 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 33 °F

    Snow Showers
    Likely and
    Breezy

  • Tuesday

    Tuesday: Rain and snow showers before 3pm, then a chance of rain showers between 3pm and 4pm, then a chance of rain and snow showers after 4pm. Snow level rising to 6600 feet in the afternoon. High near 42. South wind around 11 mph becoming west southwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain, possibly mixed with snow showers. Snow level 6400 feet. Low around 34. Southwest wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 34 °F

    Rain/Snow

  • Wednesday

    Wednesday: Snow showers likely, mainly before 11am. Mostly sunny, with a high near 41. Breezy, with a west wind 14 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Breezy. Snow
    Showers
    Likely then
    Chance Snow
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 21. South southwest wind 9 to 11 mph, with gusts as high as 23 mph.

    Low: 21 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 40. Breezy, with a south southwest wind 9 to 16 mph, with gusts as high as 33 mph.

    High: 40 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 24. Breezy, with a south southwest wind 11 to 15 mph, with gusts as high as 30 mph.

    Low: 24 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Friday

    Friday: Sunny, with a high near 43. Breezy.

    High: 43 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: A 20 percent chance of snow showers. Partly cloudy, with a low around 26. Breezy.

    Low: 26 °F

    Slight Chance
    Snow Showers
    and Breezy

Detailed Forecast

Tonight
Snow showers likely, mainly after 5am. Mostly cloudy, with a low around 33. Breezy, with a south southeast wind 11 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Tuesday
Rain and snow showers before 3pm, then a chance of rain showers between 3pm and 4pm, then a chance of rain and snow showers after 4pm. Snow level rising to 6600 feet in the afternoon. High near 42. South wind around 11 mph becoming west southwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain, possibly mixed with snow showers. Snow level 6400 feet. Low around 34. Southwest wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday
Snow showers likely, mainly before 11am. Mostly sunny, with a high near 41. Breezy, with a west wind 14 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday Night
Mostly clear, with a low around 21. South southwest wind 9 to 11 mph, with gusts as high as 23 mph.
Thursday
Sunny, with a high near 40. Breezy, with a south southwest wind 9 to 16 mph, with gusts as high as 33 mph.
Thursday Night
Mostly clear, with a low around 24. Breezy, with a south southwest wind 11 to 15 mph, with gusts as high as 30 mph.
Friday
Sunny, with a high near 43. Breezy.
Friday Night
A 20 percent chance of snow showers. Partly cloudy, with a low around 26. Breezy.
Saturday
A 30 percent chance of snow showers. Mostly sunny, with a high near 44.
Saturday Night
A chance of rain and snow showers. Partly cloudy, with a low around 28.
Sunday
A chance of snow showers. Mostly sunny, with a high near 44.
Sunday Night
A slight chance of snow showers. Partly cloudy, with a low around 23.
Monday
Mostly sunny, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mammoth WY
 44.98°N 110.69°W (Elev. 5745 ft)
Last Update:
5:18 pm MST Feb 23, 2026
Forecast Valid:
7pm MST Feb 23, 2026-6pm MST Mar 2, 2026
 
Forecast Discussion
 
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