Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

50°F

10°C

Humidity 86%
Wind Speed SSW 4 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Wind Chill49°F (9°C)
Last update 15 Aug 04:15 AM MDT
Extended Forecast for

5 Miles SE Mount Holmes WY

  • Today

    Today: A 40 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 63. Light and variable wind becoming southwest 5 to 9 mph in the morning.

    High: 63 °F

    Partly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before 9pm.  Partly cloudy, with a low around 38. West wind 5 to 8 mph becoming light and variable  in the evening.

    Low: 38 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms between 1pm and 3pm.  Mostly sunny, with a high near 66. Light and variable wind becoming west southwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.  Chance of precipitation is 30%.

    High: 66 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 39. West wind 5 to 8 mph becoming calm  in the evening.

    Low: 39 °F

    Partly Cloudy

  • Monday

    Monday: A 10 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 67. Light and variable wind becoming west southwest 6 to 11 mph in the morning. Winds could gust as high as 23 mph.

    High: 67 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight.  Cloudy, with a low around 41. West wind 5 to 9 mph becoming calm  in the evening. Winds could gust as high as 21 mph.  Chance of precipitation is 70%.

    Low: 41 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 64. Light and variable wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 25 mph.  Chance of precipitation is 60%.

    High: 64 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: A 10 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 63. Light and variable wind becoming southwest 5 to 9 mph in the morning.
Tonight
A 50 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 38. West wind 5 to 8 mph becoming light and variable in the evening.
Sunday
A chance of showers and thunderstorms between 1pm and 3pm. Mostly sunny, with a high near 66. Light and variable wind becoming west southwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 39. West wind 5 to 8 mph becoming calm in the evening.
Monday
A 10 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 67. Light and variable wind becoming west southwest 6 to 11 mph in the morning. Winds could gust as high as 23 mph.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Cloudy, with a low around 41. West wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 70%.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 64. Light and variable wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 60%.
Tuesday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 39.
Wednesday
A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 43.
Friday
A slight chance of showers and thunderstorms. Sunny, with a high near 72.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Mount Holmes WY
 44.78°N 110.78°W (Elev. 7999 ft)
2:47 am MDT Aug 15, 2026
4am MDT Aug 15, 2026-6pm MDT Aug 21, 2026
 
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