Coastal and Marine Impacts from Imelda and Humberto as Both Track Away from the Southeast U.S.

Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine and rip current conditions to the east coast of Florida and Georgia today, spreading north along much of the east coast of the U.S. this week. Heavy rainfall north and west of Imelda falling across coastal Florida and Georgia into the Carolinas could cause isolated flash and urban flooding through Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

72°F

22°C

Humidity 29%
Wind Speed SSW 8 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 29 Sep 05:15 PM MDT
Extended Forecast for

6 Miles WSW Gardiner MT

  • Tonight

    Tonight: Increasing clouds, with a low around 39. Breezy, with a south southwest wind 11 to 16 mph, with gusts as high as 24 mph.

    Low: 39 °F

    Partly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 4pm.  Snow level 11800 feet lowering to 11100 feet in the afternoon . Mostly cloudy, with a high near 43. Breezy, with a south southwest wind 15 to 18 mph, with gusts as high as 28 mph.

    High: 43 °F

    Chance
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: A chance of rain showers before 8pm, then a chance of rain and snow showers. Some thunder is also possible.  Snow level 10900 feet lowering to 10300 feet. Mostly cloudy, with a low around 38. Breezy, with a south wind 15 to 22 mph, with gusts as high as 31 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 38 °F

    Chance
    Rain/Snow and
    Breezy

  • Wednesday

    Wednesday: A slight chance of rain and snow showers before 8am, then a slight chance of snow showers between 8am and 11am, then a chance of rain and snow showers after 11am. Some thunder is also possible.  Snow level rising to 10700 feet in the afternoon. Partly sunny, with a high near 42. Breezy, with a south southwest wind 18 to 20 mph, with gusts as high as 34 mph.  Chance of precipitation is 30%.

    High: 42 °F

    Chance
    Rain/Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of rain and snow showers before 5am, then a chance of rain showers. Some thunder is also possible.  Snow level 10600 feet. Mostly cloudy, with a low around 39. Breezy, with a south wind 17 to 21 mph, with gusts as high as 30 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 39 °F

    Chance
    Rain/Snow and
    Breezy

  • Thursday

    Thursday: A chance of rain and snow showers before 8am, then a chance of snow showers between 8am and 1pm, then a chance of rain and snow showers after 1pm. Some thunder is also possible.  Snow level rising to 10600 feet in the afternoon. Partly sunny, with a high near 42. Breezy, with a south southwest wind 15 to 17 mph, with gusts as high as 30 mph.  Chance of precipitation is 50%.

    High: 42 °F

    Chance
    Rain/Snow and
    Breezy

  • Thursday Night

    Thursday Night: Rain and snow showers likely, becoming all snow after 1am. Some thunder is also possible.  Snow level 10600 feet lowering to 10200 feet after midnight . Mostly cloudy, with a low around 31. South wind around 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 70%.

    Low: 31 °F

    Rain/Snow
    Likely

  • Friday

    Friday: Snow showers likely, mainly before noon. Some thunder is also possible.  Partly sunny, with a high near 35. Chance of precipitation is 60%.

    High: 35 °F

    Snow Showers
    Likely

  • Friday Night

    Friday Night: A 20 percent chance of snow showers before midnight.  Partly cloudy, with a low around 31. Breezy.

    Low: 31 °F

    Slight Chance
    Snow Showers
    then Partly
    Cloudy and
    Breezy

Detailed Forecast

Tonight
Increasing clouds, with a low around 39. Breezy, with a south southwest wind 11 to 16 mph, with gusts as high as 24 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Snow level 11800 feet lowering to 11100 feet in the afternoon . Mostly cloudy, with a high near 43. Breezy, with a south southwest wind 15 to 18 mph, with gusts as high as 28 mph.
Tuesday Night
A chance of rain showers before 8pm, then a chance of rain and snow showers. Some thunder is also possible. Snow level 10900 feet lowering to 10300 feet. Mostly cloudy, with a low around 38. Breezy, with a south wind 15 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Wednesday
A slight chance of rain and snow showers before 8am, then a slight chance of snow showers between 8am and 11am, then a chance of rain and snow showers after 11am. Some thunder is also possible. Snow level rising to 10700 feet in the afternoon. Partly sunny, with a high near 42. Breezy, with a south southwest wind 18 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of rain and snow showers before 5am, then a chance of rain showers. Some thunder is also possible. Snow level 10600 feet. Mostly cloudy, with a low around 39. Breezy, with a south wind 17 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday
A chance of rain and snow showers before 8am, then a chance of snow showers between 8am and 1pm, then a chance of rain and snow showers after 1pm. Some thunder is also possible. Snow level rising to 10600 feet in the afternoon. Partly sunny, with a high near 42. Breezy, with a south southwest wind 15 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
Thursday Night
Rain and snow showers likely, becoming all snow after 1am. Some thunder is also possible. Snow level 10600 feet lowering to 10200 feet after midnight . Mostly cloudy, with a low around 31. South wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Friday
Snow showers likely, mainly before noon. Some thunder is also possible. Partly sunny, with a high near 35. Chance of precipitation is 60%.
Friday Night
A 20 percent chance of snow showers before midnight. Partly cloudy, with a low around 31. Breezy.
Saturday
A 20 percent chance of snow showers after noon. Mostly sunny, with a high near 36. Breezy.
Saturday Night
A chance of snow showers. Some thunder is also possible. Mostly cloudy, with a low around 24.
Sunday
A chance of snow showers. Some thunder is also possible. Partly sunny, with a high near 27.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 24.
Monday
A chance of snow showers. Partly sunny, with a high near 28.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Gardiner MT
 45.01°N 110.85°W (Elev. 10167 ft)
4:34 pm MDT Sep 29, 2025
5pm MDT Sep 29, 2025-6pm MDT Oct 6, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database