Lala Impacting Hawaii; Flash Flooding Risks; Excessive Heat

Lala will continue to impact Hawaii through the weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Thunderstorms, heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians and the mid-Atlantic through today. Record heat continues for areas of the Mississippi Valley into the Southeast. Read More >

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

61°F

16°C

Humidity 57%
Wind Speed SW 6 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 16 Aug 05:15 PM MDT
Extended Forecast for

3 Miles WSW Mount Holmes WY

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 65. West wind around 10 mph.

    High: 65 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am.  Cloudy, then gradually becoming partly cloudy, with a low around 44. West northwest wind 6 to 11 mph becoming light and variable  after midnight.  Chance of precipitation is 40%.

    Low: 44 °F

    Chance
    Showers

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly between 2pm and 5pm.  Partly sunny, with a high near 65. Breezy, with a light and variable wind becoming west northwest 13 to 18 mph in the morning. Winds could gust as high as 25 mph.

    High: 65 °F

    Mostly Sunny
    then Chance
    T-storms and
    Breezy

  • Monday Night

    Monday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 46. West northwest wind 6 to 11 mph becoming light and variable  after midnight.  Chance of precipitation is 50%.

    Low: 46 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 9am.  Mostly cloudy, with a high near 63. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 22 mph.  Chance of precipitation is 50%.

    High: 63 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 44. West southwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 44 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 65. Light and variable wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 22 mph.

    High: 65 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 65. West wind around 10 mph.
Tonight
A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 44. West northwest wind 6 to 11 mph becoming light and variable after midnight. Chance of precipitation is 40%.
Monday
A 40 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Partly sunny, with a high near 65. Breezy, with a light and variable wind becoming west northwest 13 to 18 mph in the morning. Winds could gust as high as 25 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 46. West northwest wind 6 to 11 mph becoming light and variable after midnight. Chance of precipitation is 50%.
Tuesday
A chance of showers, with thunderstorms also possible after 9am. Mostly cloudy, with a high near 63. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 50%.
Tuesday Night
A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 44. West southwest wind 5 to 8 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 65. Light and variable wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 22 mph.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
Sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 50.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 72.
Friday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 67.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 50.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Mount Holmes WY
 44.82°N 110.91°W (Elev. 8392 ft)
3:34 pm MDT Aug 16, 2026
5pm MDT Aug 16, 2026-6pm MDT Aug 23, 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