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

YELLOW MULE (YLWM8)

Lat: 45.1661°NLon: 111.35954°WElev: 9200.0ft.

NA

43°F

6°C

Humidity 90%
Wind Speed SE 5 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Wind Chill40°F (4°C)
Last update 16 Aug 12:04 AM MDT
Extended Forecast for

19 Miles S Big Sky MT

  • Overnight

    Overnight: Partly cloudy, with a low around 40. South southwest wind 5 to 7 mph.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms after noon.  Increasing clouds, with a high near 61. Southwest wind 7 to 9 mph.

    High: 61 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight.  Mostly cloudy, with a low around 43. West southwest wind 5 to 8 mph becoming calm. Winds could gust as high as 18 mph.  Chance of precipitation is 40%.

    Low: 43 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms after noon.  Mostly cloudy, with a high near 63. West southwest wind 5 to 11 mph, with gusts as high as 22 mph.

    High: 63 °F

    Partly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 45. West wind 5 to 7 mph becoming east southeast after midnight.  Chance of precipitation is 50%.

    Low: 45 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 61. South wind 5 to 13 mph becoming west in the afternoon. Winds could gust as high as 23 mph.  Chance of precipitation is 50%.

    High: 61 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight.  Mostly cloudy, with a low around 42. West wind 5 to 9 mph becoming light and variable  after midnight.  Chance of precipitation is 40%.

    Low: 42 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 63. Light south southwest wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 23 mph.

    High: 63 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 40. South southwest wind 5 to 7 mph.
Sunday
A 50 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 61. Southwest wind 7 to 9 mph.
Sunday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 43. West southwest wind 5 to 8 mph becoming calm. Winds could gust as high as 18 mph. Chance of precipitation is 40%.
Monday
A 50 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 63. West southwest wind 5 to 11 mph, with gusts as high as 22 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 45. West wind 5 to 7 mph becoming east southeast after midnight. Chance of precipitation is 50%.
Tuesday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 61. South wind 5 to 13 mph becoming west in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 50%.
Tuesday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 42. West wind 5 to 9 mph becoming light and variable after midnight. Chance of precipitation is 40%.
Wednesday
Mostly sunny, with a high near 63. Light south southwest wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Sunny, with a high near 67.
Thursday Night
Partly cloudy, with a low around 50.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 69.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 51.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
19 Miles S Big Sky MT
 44.98°N 111.3°W (Elev. 8599 ft)
12:31 am MDT Aug 16, 2026
12am MDT Aug 16, 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