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

18°F

-8°C

Humidity 65%
Wind Speed S 5 MPH
Barometer NA
Dewpoint 8°F (-13°C)
Visibility NA
Wind Chill11°F (-12°C)
Last update 19 Jan 10:15 AM MST
Extended Forecast for

16 Miles W Gardiner MT

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 25. West southwest wind around 7 mph.

    High: 25 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 9. Wind chill values as low as zero. Southwest wind 6 to 8 mph becoming southeast after midnight.

    Low: 9 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Scattered snow showers between 8am and 1pm.  Mostly cloudy, then gradually becoming sunny, with a high near 21. Wind chill values as low as zero. South southeast wind 6 to 10 mph becoming northwest in the afternoon.  Chance of precipitation is 30%.

    High: 21 °F

    Scattered
    Snow Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 4. Wind chill values as low as -5. Southwest wind around 6 mph.

    Low: 4 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 21. West northwest wind around 5 mph becoming calm  in the afternoon.

    High: 21 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 7. South southwest wind 3 to 5 mph.

    Low: 7 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 22. South southwest wind around 6 mph.

    High: 22 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 3.

    Low: 3 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 18.

    High: 18 °F

    Mostly Sunny

Detailed Forecast

M.L.King Day
Sunny, with a high near 25. West southwest wind around 7 mph.
Tonight
Partly cloudy, with a low around 9. Wind chill values as low as zero. Southwest wind 6 to 8 mph becoming southeast after midnight.
Tuesday
Scattered snow showers between 8am and 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 21. Wind chill values as low as zero. South southeast wind 6 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 4. Wind chill values as low as -5. Southwest wind around 6 mph.
Wednesday
Mostly sunny, with a high near 21. West northwest wind around 5 mph becoming calm in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 7. South southwest wind 3 to 5 mph.
Thursday
Partly sunny, with a high near 22. South southwest wind around 6 mph.
Thursday Night
Mostly cloudy, with a low around 3.
Friday
Mostly sunny, with a high near 18.
Friday Night
Mostly clear, with a low around 4.
Saturday
A slight chance of snow showers. Mostly sunny, with a high near 19.
Saturday Night
Partly cloudy, with a low around 7.
Sunday
A slight chance of snow showers. Mostly sunny, with a high near 21.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles W Gardiner MT
 45.06°N 111.04°W (Elev. 8474 ft)
9:47 am MST Jan 19, 2026
10am MST Jan 19, 2026-6pm MST Jan 25, 2026
 
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Additional Resources

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