Major Winter Storm Ongoing in the Upper Midwest and Great Lakes; Severe Weather Along the East Coast

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through today across the Upper Midwest and Upper Great Lakes. Widespread severe storms are expected across the entire eastern U.S. with the highest threat over the interior Mid-Atlantic, where there is a risk for damaging wind gusts and a few tornadoes. Heat continues to build in the West. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

28°F

-2°C

Humidity 73%
Wind Speed ENE 2 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility NA
Last update 16 Mar 10:15 AM MDT
Extended Forecast for

Mammoth Hot Springs WY

  • Today

    Today: Snow showers likely before 2pm, then a chance of rain and snow showers.  Snow level rising to 7200 feet in the afternoon. Mostly cloudy, with a high near 43. South southwest wind 8 to 10 mph, with gusts as high as 24 mph.  Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

    High: 43 °F

    Rain/Snow
    Likely

  • Tonight

    Tonight: Showers, mainly before 11pm.  Snow level 8100 feet lowering to 6600 feet after midnight . Low around 35. South southwest wind 6 to 9 mph, with gusts as high as 23 mph.  Chance of precipitation is 80%.

    Low: 35 °F

    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 53. Southwest wind 8 to 10 mph, with gusts as high as 25 mph.

    High: 53 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37. Southwest wind 7 to 9 mph, with gusts as high as 24 mph.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 60. Southwest wind 7 to 11 mph, with gusts as high as 28 mph.

    High: 60 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 37. Southwest wind 6 to 9 mph, with gusts as high as 24 mph.

    Low: 37 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 62. South wind 6 to 10 mph, with gusts as high as 26 mph.

    High: 62 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

Detailed Forecast

Today
Snow showers likely before 2pm, then a chance of rain and snow showers. Snow level rising to 7200 feet in the afternoon. Mostly cloudy, with a high near 43. South southwest wind 8 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Showers, mainly before 11pm. Snow level 8100 feet lowering to 6600 feet after midnight . Low around 35. South southwest wind 6 to 9 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Tuesday
Partly sunny, with a high near 53. Southwest wind 8 to 10 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 37. Southwest wind 7 to 9 mph, with gusts as high as 24 mph.
Wednesday
Mostly sunny, with a high near 60. Southwest wind 7 to 11 mph, with gusts as high as 28 mph.
Wednesday Night
Partly cloudy, with a low around 37. Southwest wind 6 to 9 mph, with gusts as high as 24 mph.
Thursday
Mostly sunny, with a high near 62. South wind 6 to 10 mph, with gusts as high as 26 mph.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Mostly sunny, with a high near 65.
Friday Night
Partly cloudy, with a low around 40.
Saturday
A slight chance of showers. Mostly sunny, with a high near 63. Breezy.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Mostly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth Hot Springs WY
 44.96°N 110.69°W (Elev. 6106 ft)
9:19 am MDT Mar 16, 2026
11am MDT Mar 16, 2026-6pm MDT Mar 22, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database