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

Georgetown Lake (MTGTL)

Lat: 46.191°NLon: 113.3°WElev: 6338.0ft.

NA

45°F

7°C

Humidity 91%
Wind Speed NNE 2 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 15 Aug 03:45 AM MDT
Extended Forecast for

19 Miles W Georgetown MT

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after 3pm.  Increasing clouds, with a high near 60. Light west southwest wind.

    High: 60 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 9pm.  Cloudy during the early evening, then gradual clearing, with a low around 45. Light and variable wind becoming southwest 5 to 8 mph in the evening.

    Low: 45 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 4pm.  Partly sunny, with a high near 62. Southwest wind 3 to 7 mph.

    High: 62 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 48. Light and variable wind becoming south around 6 mph after midnight.

    Low: 48 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 62. South southwest wind 5 to 7 mph becoming west in the afternoon. Winds could gust as high as 22 mph.

    High: 62 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight.  Mostly cloudy, with a low around 50. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: A chance of rain before noon, then a chance of showers and thunderstorms after noon.  Partly sunny, with a high near 59. Chance of precipitation is 40%.

    High: 59 °F

    Chance
    Showers

  • Tuesday Night

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

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Increasing clouds, with a high near 60. Light west southwest wind.
Tonight
A 30 percent chance of showers and thunderstorms before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 45. Light and variable wind becoming southwest 5 to 8 mph in the evening.
Sunday
A 20 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 62. Southwest wind 3 to 7 mph.
Sunday Night
Mostly cloudy, with a low around 48. Light and variable wind becoming south around 6 mph after midnight.
Monday
Partly sunny, with a high near 62. South southwest wind 5 to 7 mph becoming west in the afternoon. Winds could gust as high as 22 mph.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 50. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of rain before noon, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 59. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Mostly sunny, with a high near 61.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
Sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 52.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
19 Miles W Georgetown MT
 46.2°N 113.64°W (Elev. 8343 ft)
2:01 am MDT Aug 15, 2026
4am 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