Snow May Produce Poor Travel Conditions in the North-Central U.S. and East Coast

A strong cold front sweeping across the Northern Plains may bring snow showers and snow squalls from eastern Montana to north-central Nebraska, with blizzard conditions possible in eastern North Dakota and northwestern Montana. Heavy snow is expected to persist downwind of the Great Lakes. Snow showers will spread up the East Coast across the Mid-Atlantic and Northeast coasts. Read More >

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

27°F

-3°C

Humidity 55%
Wind Speed NE 0 MPH
Barometer NA
Dewpoint 13°F (-11°C)
Visibility NA
Last update 18 Jan 03:15 PM MST
Extended Forecast for

Mammoth WY

  • This Afternoon

    This Afternoon: Sunny, with a high near 32. West northwest wind around 5 mph.

    High: 32 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 10. Northwest wind around 5 mph becoming light and variable  after midnight.

    Low: 10 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 34. Southeast wind 3 to 8 mph.

    High: 34 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 17. South wind around 7 mph.

    Low: 17 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow showers.  Mostly sunny, with a high near 33. South southwest wind around 6 mph becoming west in the morning.

    High: 33 °F

    Slight Chance
    Snow Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 13. Southwest wind around 6 mph.

    Low: 13 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 31. West northwest wind 3 to 6 mph.

    High: 31 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 12.

    Low: 12 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 32. West northwest wind around 5 mph.
Tonight
Partly cloudy, with a low around 10. Northwest wind around 5 mph becoming light and variable after midnight.
M.L.King Day
Sunny, with a high near 34. Southeast wind 3 to 8 mph.
Monday Night
Partly cloudy, with a low around 17. South wind around 7 mph.
Tuesday
A 20 percent chance of snow showers. Mostly sunny, with a high near 33. South southwest wind around 6 mph becoming west in the morning.
Tuesday Night
Mostly clear, with a low around 13. Southwest wind around 6 mph.
Wednesday
Mostly sunny, with a high near 31. West northwest wind 3 to 6 mph.
Wednesday Night
Mostly clear, with a low around 12.
Thursday
Mostly sunny, with a high near 35.
Thursday Night
Mostly cloudy, with a low around 17.
Friday
A chance of snow showers. Partly sunny, with a high near 32.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 14.
Saturday
A chance of snow showers. Partly sunny, with a high near 30.
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth WY
 44.98°N 110.69°W (Elev. 5745 ft)
3:48 pm MST Jan 18, 2026
4pm MST Jan 18, 2026-6pm MST Jan 24, 2026
 
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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