Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

31°F

-1°C

Humidity 42%
Wind Speed SSE 2 MPH
Barometer NA
Dewpoint 10°F (-12°C)
Visibility NA
Last update 19 Jan 02:15 PM MST
Extended Forecast for

17 Miles W Gardiner MT

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 24. West southwest wind 8 to 10 mph.

    High: 24 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 11. Wind chill values as low as -5. Breezy, with a south wind 13 to 18 mph, with gusts as high as 25 mph.

    Low: 11 °F

    Partly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Scattered snow showers, mainly between noon and 1pm.  Mostly cloudy, then gradually becoming sunny, with a high near 19. Wind chill values as low as -5. Breezy, with a south wind 8 to 15 mph becoming northwest in the morning. Winds could gust as high as 21 mph.  Chance of precipitation is 30%.

    High: 19 °F

    Scattered
    Snow Showers
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 6. Wind chill values as low as -10. South southwest wind 9 to 14 mph.

    Low: 6 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 20. West wind 7 to 10 mph.

    High: 20 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 6. Southwest wind around 10 mph.

    Low: 6 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 19. Southwest wind 7 to 9 mph becoming northwest in the afternoon.

    High: 19 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 2.

    Low: 2 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 13.

    High: 13 °F

    Mostly Sunny

Detailed Forecast

M.L.King Day
Sunny, with a high near 24. West southwest wind 8 to 10 mph.
Tonight
Partly cloudy, with a low around 11. Wind chill values as low as -5. Breezy, with a south wind 13 to 18 mph, with gusts as high as 25 mph.
Tuesday
Scattered snow showers, mainly between noon and 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 19. Wind chill values as low as -5. Breezy, with a south wind 8 to 15 mph becoming northwest in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 6. Wind chill values as low as -10. South southwest wind 9 to 14 mph.
Wednesday
Mostly sunny, with a high near 20. West wind 7 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 6. Southwest wind around 10 mph.
Thursday
Mostly sunny, with a high near 19. Southwest wind 7 to 9 mph becoming northwest in the afternoon.
Thursday Night
Mostly cloudy, with a low around 2.
Friday
Mostly sunny, with a high near 13.
Friday Night
Mostly clear, with a low around 2.
Saturday
Mostly sunny, with a high near 18.
Saturday Night
Partly cloudy, with a low around 7. Breezy.
Sunday
A slight chance of snow showers. Mostly sunny, with a high near 20. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles W Gardiner MT
 45.08°N 111.07°W (Elev. 9426 ft)
1:29 pm MST Jan 19, 2026
2pm MST Jan 19, 2026-6pm MST Jan 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

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