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

60°F

16°C

Humidity 64%
Wind Speed SSW 3 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 15 Aug 09:15 PM MDT
Extended Forecast for

3 Miles NNW Mount Holmes WY

  • Tonight

    Tonight: Scattered showers and thunderstorms before midnight.  Mostly cloudy, with a low around 41. Southwest wind 5 to 7 mph.  Chance of precipitation is 50%.

    Low: 41 °F

    Scattered
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms, mainly after 2pm.  Mostly sunny, with a high near 63. Breezy, with a southwest wind 6 to 15 mph, with gusts as high as 21 mph.

    High: 63 °F

    Sunny then
    Chance
    T-storms and
    Breezy

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm.  Mostly cloudy, with a low around 43. West southwest wind 5 to 10 mph becoming light and variable  after midnight.  Chance of precipitation is 40%.

    Low: 43 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 64. Light and variable wind becoming west southwest 8 to 13 mph in the morning. Winds could gust as high as 23 mph.

    High: 64 °F

    Partly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely after midnight.  Mostly cloudy, with a low around 45. West southwest wind 5 to 9 mph becoming south southeast after midnight.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 61. South wind 5 to 14 mph becoming west in the afternoon. Winds could gust as high as 25 mph.  Chance of precipitation is 50%.

    High: 61 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 43. West wind 5 to 8 mph becoming light and variable  after midnight.

    Low: 43 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 10 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 44.

    Low: 44 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Scattered showers and thunderstorms before midnight. Mostly cloudy, with a low around 41. Southwest wind 5 to 7 mph. Chance of precipitation is 50%.
Sunday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 63. Breezy, with a southwest wind 6 to 15 mph, with gusts as high as 21 mph.
Sunday Night
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Mostly cloudy, with a low around 43. West southwest wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 40%.
Monday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 64. Light and variable wind becoming west southwest 8 to 13 mph in the morning. Winds could gust as high as 23 mph.
Monday Night
A chance of showers and thunderstorms, then showers likely after midnight. Mostly cloudy, with a low around 45. West southwest wind 5 to 9 mph becoming south southeast after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 61. South wind 5 to 14 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 50%.
Tuesday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 43. West wind 5 to 8 mph becoming light and variable after midnight.
Wednesday
Partly sunny, with a high near 62.
Wednesday Night
A 10 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 44.
Thursday
A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 47.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 69.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 49.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 68. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Mount Holmes WY
 44.86°N 110.88°W (Elev. 8579 ft)
8:48 pm MDT Aug 15, 2026
10pm MDT Aug 15, 2026-6pm MDT Aug 22, 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