National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Georgetown Lake (MTGTL)

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

NA

33°F

1°C

Humidity 44%
Wind Speed NE 1 MPH
Barometer NA
Dewpoint 13°F (-11°C)
Visibility NA
Last update 09 Apr 10:00 PM MDT
Extended Forecast for

22 Miles SW Georgetown MT

  • Tonight

    Tonight: Mostly clear, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 55. Light south wind increasing to 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 55 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 9pm, then rain likely, mainly between 9pm and midnight. Mostly cloudy, with a low around 34. South southeast wind 6 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 34 °F

    Showers
    Likely then
    Slight Chance
    Rain

  • Saturday

    Saturday: A chance of rain, then showers and possibly a thunderstorm after noon. High near 50. South wind 7 to 16 mph becoming west southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 50 °F

    Chance Rain
    then Showers

  • Saturday Night

    Saturday Night: Rain likely before 9pm, then rain and snow likely between 9pm and midnight, then a slight chance of snow after midnight. Mostly cloudy, with a low around 31. West wind around 5 mph becoming calm in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 31 °F

    Rain/Snow
    Likely then
    Slight Chance
    Snow

  • Sunday

    Sunday: Snow showers before 3pm, then rain, possibly mixed with snow showers. Some thunder is also possible. High near 46. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 46 °F

    Chance Snow
    then
    Rain/Snow

  • Sunday Night

    Sunday Night: Rain and snow, becoming all snow after 9pm. Low around 30. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 30 °F

    Rain/Snow
    then Snow
    Likely

  • Monday

    Monday: Snow. Mostly cloudy, with a high near 39.

    High: 39 °F

    Snow

  • Monday Night

    Monday Night: A chance of snow, mainly before midnight. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 31. Calm wind.
Friday
Mostly sunny, with a high near 55. Light south wind increasing to 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.
Friday Night
Showers likely and possibly a thunderstorm before 9pm, then rain likely, mainly between 9pm and midnight. Mostly cloudy, with a low around 34. South southeast wind 6 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of rain, then showers and possibly a thunderstorm after noon. High near 50. South wind 7 to 16 mph becoming west southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Rain likely before 9pm, then rain and snow likely between 9pm and midnight, then a slight chance of snow after midnight. Mostly cloudy, with a low around 31. West wind around 5 mph becoming calm in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday
Snow showers before 3pm, then rain, possibly mixed with snow showers. Some thunder is also possible. High near 46. Chance of precipitation is 80%. Little or no snow accumulation expected.
Sunday Night
Rain and snow, becoming all snow after 9pm. Low around 30. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Monday
Snow. Mostly cloudy, with a high near 39.
Monday Night
A chance of snow, mainly before midnight. Mostly cloudy, with a low around 28.
Tuesday
A chance of snow, mainly before noon. Mostly cloudy, with a high near 38.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 26.
Wednesday
Snow likely. Mostly cloudy, with a high near 34.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 20.
Thursday
A chance of snow. Partly sunny, with a high near 35.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles SW Georgetown MT
 45.99°N 113.57°W (Elev. 7684 ft)
Last Update:
2:00 pm MDT Apr 9, 2026
Forecast Valid:
10pm MDT Apr 9, 2026-6pm MDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation