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

MAIN BOULDER (MBRM8)

Lat: 45.45813°NLon: 110.19768°WElev: 5405.0ft.

NA

46°F

8°C

Humidity 100%
Wind Speed SSE 0 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 15 Aug 07:39 AM MDT
Extended Forecast for

22 Miles ESE Emigrant MT

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly after 1pm.  Patchy fog before 9am.  Otherwise, partly sunny, with a high near 55. South southwest wind 8 to 10 mph becoming west in the afternoon.

    High: 55 °F

    Patchy Fog
    then Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 10pm.  Mostly cloudy, with a low around 37. South southwest wind 7 to 10 mph.  Chance of precipitation is 60%.

    Low: 37 °F

    Showers
    Likely then
    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 57. South southwest wind 9 to 11 mph becoming west in the afternoon.

    High: 57 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight.  Mostly cloudy, with a low around 38. West southwest wind 7 to 9 mph becoming south after midnight.  Chance of precipitation is 20%.

    Low: 38 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 58. South wind 9 to 15 mph becoming west in the afternoon.

    High: 58 °F

    Partly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm.  Low around 39. West wind 9 to 11 mph becoming south after midnight.  Chance of precipitation is 80%.

    Low: 39 °F

    Showers

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after noon.  Mostly cloudy, with a high near 54. South southwest wind 9 to 15 mph becoming west northwest in the afternoon.  Chance of precipitation is 70%.

    High: 54 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 37. West northwest wind 5 to 10 mph becoming south after midnight.

    Low: 37 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 56. South wind 5 to 13 mph becoming west in the afternoon.

    High: 56 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 55. South southwest wind 8 to 10 mph becoming west in the afternoon.
Tonight
Showers and thunderstorms likely, mainly before 10pm. Mostly cloudy, with a low around 37. South southwest wind 7 to 10 mph. Chance of precipitation is 60%.
Sunday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 57. South southwest wind 9 to 11 mph becoming west in the afternoon.
Sunday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 38. West southwest wind 7 to 9 mph becoming south after midnight. Chance of precipitation is 20%.
Monday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 58. South wind 9 to 15 mph becoming west in the afternoon.
Monday Night
Showers and possibly a thunderstorm. Low around 39. West wind 9 to 11 mph becoming south after midnight. Chance of precipitation is 80%.
Tuesday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 54. South southwest wind 9 to 15 mph becoming west northwest in the afternoon. Chance of precipitation is 70%.
Tuesday Night
A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 37. West northwest wind 5 to 10 mph becoming south after midnight.
Wednesday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 56. South wind 5 to 13 mph becoming west in the afternoon.
Wednesday Night
Partly cloudy, with a low around 38. West northwest wind 5 to 11 mph becoming south southeast after midnight.
Thursday
Sunny, with a high near 59. South southeast wind 6 to 13 mph becoming west in the afternoon.
Thursday Night
Partly cloudy, with a low around 41. West northwest wind 6 to 13 mph becoming south southeast after midnight.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 63. South southeast wind 7 to 13 mph becoming west southwest in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles ESE Emigrant MT
 45.23°N 110.33°W (Elev. 9665 ft)
12:58 am MDT Aug 15, 2026
8am MDT Aug 15, 2026-6pm MDT Aug 21, 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