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

Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

Georgetown Lake (MTGTL)

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

NA

43°F

6°C

Humidity 64%
Wind Speed SW 13 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Wind Chill36°F (2°C)
Last update 11 Apr 10:15 AM MDT
Extended Forecast for

21 Miles SW Georgetown MT

  • Today

    Today: Rain showers before 4pm, then rain and snow showers likely. Some thunder is also possible. High near 48. Southwest wind around 7 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 48 °F

    Slight Chance
    Showers then
    Rain/Snow

  • Tonight

    Tonight: A chance of rain and snow showers before 11pm, then a slight chance of snow showers between 11pm and midnight. Some thunder is also possible. Mostly cloudy, then gradually becoming mostly clear, with a low around 30. West southwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 30 °F

    Chance
    Rain/Snow
    then Mostly
    Clear

  • Sunday

    Sunday: Snow showers, mainly after noon. Some thunder is also possible. High near 44. Light south wind. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 44 °F

    Slight Chance
    Snow Showers
    then Snow
    Showers

  • Sunday Night

    Sunday Night: Snow showers. Low around 29. Light southwest wind. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 29 °F

    Snow Showers

  • Monday

    Monday: Snow showers. High near 36. Southwest wind 3 to 7 mph. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 36 °F

    Snow Showers

  • Monday Night

    Monday Night: Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 27. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Snow Showers
    Likely then
    Chance Snow
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of snow showers, mainly before noon. Mostly cloudy, with a high near 38. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Chance Snow
    Showers

  • Tuesday Night

    Tuesday Night: A chance of snow after midnight. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: Snow. Mostly cloudy, with a high near 35.

    High: 35 °F

    Snow

Detailed Forecast

Today
Rain showers before 4pm, then rain and snow showers likely. Some thunder is also possible. High near 48. Southwest wind around 7 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tonight
A chance of rain and snow showers before 11pm, then a slight chance of snow showers between 11pm and midnight. Some thunder is also possible. Mostly cloudy, then gradually becoming mostly clear, with a low around 30. West southwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Sunday
Snow showers, mainly after noon. Some thunder is also possible. High near 44. Light south wind. Chance of precipitation is 90%. Little or no snow accumulation expected.
Sunday Night
Snow showers. Low around 29. Light southwest wind. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Monday
Snow showers. High near 36. Southwest wind 3 to 7 mph. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Monday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 27. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday
A 40 percent chance of snow showers, mainly before noon. Mostly cloudy, with a high near 38. New snow accumulation of less than a half inch possible.
Tuesday Night
A chance of snow after midnight. Mostly cloudy, with a low around 27.
Wednesday
Snow. Mostly cloudy, with a high near 35.
Wednesday Night
Snow. Mostly cloudy, with a low around 19.
Thursday
Snow. Mostly cloudy, with a high near 27.
Thursday Night
A chance of snow. Partly cloudy, with a low around 14.
Friday
A chance of snow. Partly sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
21 Miles SW Georgetown MT
 45.99°N 113.57°W (Elev. 7684 ft)
Last Update:
2:01 am MDT Apr 11, 2026
Forecast Valid:
10am MDT Apr 11, 2026-6pm MDT Apr 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation