Tropical Storm Edouard Impacting the Northwestern Gulf Coast; Hazardous Heat expands in the East

Tropical Storm Edouard will impact the northwestern Gulf Coast through Wednesday with gusty winds, storm surge, and heavy rainfall. Flash and river flooding will be possible, especially in southeastern Texas. Hazardous heat will expand across the central and eastern U.S. by mid-week, and daily chances for severe thunderstorms are expected from the eastern Great Lakes to the Mid-Atlantic this week. Read More >

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

57°F

14°C

Humidity 78%
Wind Speed SE 4 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Last update 01 Sep 03:15 PM MDT
Extended Forecast for

5 Miles W Mammoth Hot Springs WY

  • This Afternoon

    This Afternoon: Mostly sunny, with a steady temperature around 56. South southwest wind around 8 mph.

    High: 56 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 4am.  Mostly cloudy, with a low around 46. South southwest wind 8 to 10 mph.  Chance of precipitation is 60%.

    Low: 46 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms between noon and 3pm.  Mostly sunny, with a high near 58. Breezy, with a south southwest wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 31 mph.  Chance of precipitation is 20%.

    High: 58 °F

    Breezy.
    Partly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43. Breezy, with a south southwest wind 11 to 21 mph, with gusts as high as 29 mph.

    Low: 43 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Thursday

    Thursday: Sunny, with a high near 58. Breezy, with a south southwest wind 14 to 18 mph, with gusts as high as 25 mph.

    High: 58 °F

    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43. Breezy, with a south wind 8 to 15 mph, with gusts as high as 33 mph.

    Low: 43 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Friday

    Friday: Sunny, with a high near 62. Breezy, with a south wind 10 to 18 mph, with gusts as high as 38 mph.

    High: 62 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a steady temperature around 56. South southwest wind around 8 mph.
Tonight
Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 4am. Mostly cloudy, with a low around 46. South southwest wind 8 to 10 mph. Chance of precipitation is 60%.
Wednesday
A slight chance of showers and thunderstorms between noon and 3pm. Mostly sunny, with a high near 58. Breezy, with a south southwest wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 43. Breezy, with a south southwest wind 11 to 21 mph, with gusts as high as 29 mph.
Thursday
Sunny, with a high near 58. Breezy, with a south southwest wind 14 to 18 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 43. Breezy, with a south wind 8 to 15 mph, with gusts as high as 33 mph.
Friday
Sunny, with a high near 62. Breezy, with a south wind 10 to 18 mph, with gusts as high as 38 mph.
Friday Night
Mostly clear, with a low around 45.
Saturday
Sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 64.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 47.
Labor Day
Showers and thunderstorms likely. Partly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Mammoth Hot Springs WY
 44.97°N 110.81°W (Elev. 8209 ft)
3:48 pm MDT Sep 1, 2026
4pm MDT Sep 1, 2026-6pm MDT Sep 7, 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