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

41°F

5°C

Humidity 53%
Wind Speed S 3 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Last update 16 Mar 05:15 PM MDT
Extended Forecast for

Mammoth Hot Springs WY

  • Tonight

    Tonight: Showers likely, mainly before 10pm.  Mostly cloudy, with a low around 38. South wind 7 to 9 mph, with gusts as high as 21 mph.  Chance of precipitation is 70%.

    Low: 38 °F

    Showers
    Likely then
    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 56. South southwest wind around 9 mph, with gusts as high as 24 mph.

    High: 56 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39. South southwest wind 6 to 8 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 63. South southwest wind 8 to 11 mph, with gusts as high as 26 mph.

    High: 63 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 39. Southwest wind 7 to 10 mph, with gusts as high as 23 mph.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 65. South southwest wind 7 to 11 mph, with gusts as high as 26 mph.

    High: 65 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41. South southwest wind 8 to 10 mph, with gusts as high as 22 mph.

    Low: 41 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers likely, mainly before 10pm. Mostly cloudy, with a low around 38. South wind 7 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Tuesday
Partly sunny, with a high near 56. South southwest wind around 9 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly cloudy, with a low around 39. South southwest wind 6 to 8 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 63. South southwest wind 8 to 11 mph, with gusts as high as 26 mph.
Wednesday Night
Partly cloudy, with a low around 39. Southwest wind 7 to 10 mph, with gusts as high as 23 mph.
Thursday
Mostly sunny, with a high near 65. South southwest wind 7 to 11 mph, with gusts as high as 26 mph.
Thursday Night
Partly cloudy, with a low around 41. South southwest wind 8 to 10 mph, with gusts as high as 22 mph.
Friday
Mostly sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 42.
Saturday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 64.
Saturday Night
Mostly cloudy, with a low around 37.
Sunday
A slight chance of showers. Mostly sunny, with a high near 55.
Sunday Night
Partly cloudy, with a low around 35.
Monday
A slight chance of showers. Partly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth Hot Springs WY
 44.98°N 110.69°W (Elev. 5745 ft)
5:32 pm MDT Mar 16, 2026
6pm MDT Mar 16, 2026-6pm MDT Mar 23, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database