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Tropical Storm Edouard to Impact the Northwest Gulf Coast; Heat Expands Eastward

Tropical Storm Edouard will bring tropical storm to hurricane conditions, heavy rainfall, flash and some river flooding, and storm surge to portions of Upper Texas and southwestern Louisiana coasts into Wednesday. Severe thunderstorms are possible in the Central Plains and Mid-Atlantic. Hot and humid conditions will expand from the Central Plains into the Ohio Valley and Mid-Atlantic. Read More >

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

59°F

15°C

Humidity 70%
Wind Speed SE 0 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 01 Sep 02:15 PM MDT
Extended Forecast for

4 Miles W Mammoth Hot Springs WY

  • This Afternoon

    This Afternoon: Mostly sunny, with a steady temperature around 59. Southwest wind around 8 mph.

    High: 59 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers and thunderstorms likely before 3am, then a slight chance of showers between 3am 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 4pm. Mostly sunny, with a high near 59. 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: 59 °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 20 mph, with gusts as high as 28 mph.

    Low: 43 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Thursday

    Thursday: Sunny, with a high near 60. Breezy, with a south southwest wind 15 to 17 mph, with gusts as high as 24 mph.

    High: 60 °F

    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43. Breezy, with a south wind 9 to 16 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 64. Breezy, with a south southwest wind 10 to 18 mph, with gusts as high as 37 mph.

    High: 64 °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 66.

    High: 66 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a steady temperature around 59. Southwest wind around 8 mph.
Tonight
Showers and thunderstorms likely before 3am, then a slight chance of showers between 3am 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 4pm. Mostly sunny, with a high near 59. 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 20 mph, with gusts as high as 28 mph.
Thursday
Sunny, with a high near 60. Breezy, with a south southwest wind 15 to 17 mph, with gusts as high as 24 mph.
Thursday Night
Mostly clear, with a low around 43. Breezy, with a south wind 9 to 16 mph, with gusts as high as 33 mph.
Friday
Sunny, with a high near 64. Breezy, with a south southwest wind 10 to 18 mph, with gusts as high as 37 mph.
Friday Night
Mostly clear, with a low around 45.
Saturday
Sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 65.
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 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Mammoth Hot Springs WY
 44.95°N 110.81°W (Elev. 7854 ft)
Last Update:
2:02 pm MDT Sep 1, 2026
Forecast Valid:
3pm MDT Sep 1, 2026-6pm MDT Sep 7, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation