Extreme Heat in the Southwest; Severe Weather in the Northern Plains; Heavy Rain in the East

Extreme heat continues across the Southwest as temperatures may top 120 degrees. The heat may expand across the West and south-central U.S. into the middle of the month. Severe thunderstorms capable of severe wind gusts and large hail will be the primary hazards today across the northern Plains into the upper Midwest. Rainfall could be locally heavy across the Eastern U.S. today. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

66°F

19°C

Humidity 24%
Wind Speed NNW 6 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 03 Aug 02:15 PM MDT
Extended Forecast for

2 Miles S Mount Holmes WY

  • This Afternoon

    This Afternoon: Areas of smoke. Sunny, with a high near 64. West northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 64 °F

    Areas Smoke

  • Tonight

    Tonight: Widespread smoke, mainly between 9pm and 11pm. Mostly clear, with a low around 36. Northwest wind 7 to 11 mph becoming north northeast in the evening.

    Low: 36 °F

    Smoke

  • Tuesday

    Tuesday: Areas of smoke. Sunny, with a high near 65. North northeast wind 5 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 23 mph.

    High: 65 °F

    Areas Smoke

  • Tuesday Night

    Tuesday Night: Widespread smoke, mainly between 9pm and 4am. Mostly clear, with a low around 39. West northwest wind 6 to 11 mph becoming light and variable  after midnight. Winds could gust as high as 22 mph.

    Low: 39 °F

    Smoke

  • Wednesday

    Wednesday: Sunny, with a high near 70. Light and variable wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 26 mph.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 44. West wind 8 to 13 mph becoming light and variable  in the evening. Winds could gust as high as 25 mph.

    Low: 44 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 76. Light and variable wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 25 mph.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

This Afternoon
Areas of smoke. Sunny, with a high near 64. West northwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Widespread smoke, mainly between 9pm and 11pm. Mostly clear, with a low around 36. Northwest wind 7 to 11 mph becoming north northeast in the evening.
Tuesday
Areas of smoke. Sunny, with a high near 65. North northeast wind 5 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 23 mph.
Tuesday Night
Widespread smoke, mainly between 9pm and 4am. Mostly clear, with a low around 39. West northwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.
Wednesday
Sunny, with a high near 70. Light and variable wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 26 mph.
Wednesday Night
Mostly clear, with a low around 44. West wind 8 to 13 mph becoming light and variable in the evening. Winds could gust as high as 25 mph.
Thursday
Sunny, with a high near 76. Light and variable wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 25 mph.
Thursday Night
Mostly clear, with a low around 49.
Friday
Sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 51.
Saturday
Sunny, with a high near 78. Breezy.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Sunny, with a high near 77. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Mount Holmes WY
 44.8°N 110.84°W (Elev. 8209 ft)
1:48 pm MDT Aug 3, 2026
3pm MDT Aug 3, 2026-6pm MDT Aug 9, 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