Hurricane and Storm Surge Watches Issued for the Northern Gulf Coast for Strengthening Tropical Storm Isaias

Tropical Storm Isaias is forecast to track toward the central Gulf Coast while strengthening into a hurricane on Thursday. There is an increasing risk of damaging hurricane-force winds and life-threatening storm surge impacts along portions of the northern Gulf Coast Friday into Saturday. Isaias will bring heavy rainfall to the central Gulf Coast and much of the Southeast Friday into the weekend. Read More >

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

75°F

24°C

Humidity 12%
Wind Speed NW 7 MPH
Barometer NA
Dewpoint 19°F (-7°C)
Visibility NA
Last update 07 Oct 05:15 PM MDT
Extended Forecast for

2 Miles NW Mount Holmes WY

  • Tonight

    Tonight: Mostly clear, with a low around 38. West southwest wind 5 to 9 mph.

    Low: 38 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 58. West southwest wind 5 to 13 mph, with gusts as high as 21 mph.

    High: 58 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 38. Southwest wind 10 to 14 mph, with gusts as high as 20 mph.

    Low: 38 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 55. Windy, with a southwest wind 14 to 19 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 41 mph.

    High: 55 °F

    Sunny and
    Windy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39. Breezy, with a south southwest wind 15 to 21 mph, with gusts as high as 38 mph.

    Low: 39 °F

    Partly Cloudy
    and Breezy

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after noon.  Snow level 10100 feet. Partly sunny, with a high near 46. Breezy, with a south southwest wind 14 to 22 mph, with gusts as high as 31 mph.  Chance of precipitation is 40%.

    High: 46 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Rain showers before 9pm, then rain and snow showers. Some thunder is also possible.  Snow level 10000 feet lowering to 9100 feet after midnight . Low around 28. South southwest wind around 13 mph becoming northeast after midnight. Winds could gust as high as 23 mph.  Chance of precipitation is 90%.

    Low: 28 °F

    Rain/Snow

  • Sunday

    Sunday: Snow showers.  High near 30. Chance of precipitation is 90%.

    High: 30 °F

    Snow Showers

  • Sunday Night

    Sunday Night: Snow showers.  Low around 26. Blustery.  Chance of precipitation is 90%.

    Low: 26 °F

    Snow Showers
    and Blustery

Detailed Forecast

Tonight
Mostly clear, with a low around 38. West southwest wind 5 to 9 mph.
Thursday
Sunny, with a high near 58. West southwest wind 5 to 13 mph, with gusts as high as 21 mph.
Thursday Night
Mostly clear, with a low around 38. Southwest wind 10 to 14 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 55. Windy, with a southwest wind 14 to 19 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 41 mph.
Friday Night
Partly cloudy, with a low around 39. Breezy, with a south southwest wind 15 to 21 mph, with gusts as high as 38 mph.
Saturday
A chance of showers, with thunderstorms also possible after noon. Snow level 10100 feet. Partly sunny, with a high near 46. Breezy, with a south southwest wind 14 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 40%.
Saturday Night
Rain showers before 9pm, then rain and snow showers. Some thunder is also possible. Snow level 10000 feet lowering to 9100 feet after midnight . Low around 28. South southwest wind around 13 mph becoming northeast after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 90%.
Sunday
Snow showers. High near 30. Chance of precipitation is 90%.
Sunday Night
Snow showers. Low around 26. Blustery. Chance of precipitation is 90%.
Columbus Day
Snow showers likely, mainly before noon. Mostly cloudy, with a high near 36. Chance of precipitation is 60%.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 27.
Tuesday
A chance of rain and snow showers. Partly sunny, with a high near 40.
Tuesday Night
A chance of rain and snow showers. Partly cloudy, with a low around 29.
Wednesday
A chance of snow showers. Partly sunny, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Mount Holmes WY
 44.84°N 110.88°W (Elev. 8999 ft)
5:47 pm MDT Oct 7, 2026
6pm MDT Oct 7, 2026-6pm MDT Oct 14, 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