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

44°F

7°C

Humidity 63%
Wind Speed SW 13 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Wind Chill38°F (3°C)
Last update 11 Apr 10:30 AM MDT
Extended Forecast for

21 Miles SW Georgetown MT

  • Today

    Today: Rain and snow showers, becoming all snow after 4pm. Some thunder is also possible. High near 42. West southwest wind 9 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 42 °F

    Slight Chance
    Rain/Snow
    then
    Rain/Snow

  • Tonight

    Tonight: Snow showers likely, mainly before 11pm. Some thunder is also possible. Mostly cloudy, then gradually becoming mostly clear, with a low around 26. West wind 6 to 9 mph becoming south after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 26 °F

    Snow Showers
    Likely then
    Partly Cloudy

  • Sunday

    Sunday: Snow showers, mainly after noon. Some thunder is also possible. High near 39. South southeast wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Slight Chance
    Snow Showers
    then Snow
    Showers

  • Sunday Night

    Sunday Night: Snow showers. Low around 25. Southwest wind around 7 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 25 °F

    Snow Showers

  • Monday

    Monday: Snow showers. High near 31. Southwest wind 7 to 11 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    High: 31 °F

    Snow Showers

  • Monday Night

    Monday Night: Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 24. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Snow Showers
    Likely then
    Chance Snow
    Showers

  • Tuesday

    Tuesday: A 50 percent chance of snow showers. Mostly cloudy, with a high near 33. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Chance Snow
    Showers

  • Tuesday Night

    Tuesday Night: A chance of snow, mainly after midnight. Mostly cloudy, with a low around 23.

    Low: 23 °F

    Chance Snow

  • Wednesday

    Wednesday: Snow. Cloudy, with a high near 30.

    High: 30 °F

    Snow

Detailed Forecast

Today
Rain and snow showers, becoming all snow after 4pm. Some thunder is also possible. High near 42. West southwest wind 9 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tonight
Snow showers likely, mainly before 11pm. Some thunder is also possible. Mostly cloudy, then gradually becoming mostly clear, with a low around 26. West wind 6 to 9 mph becoming south after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday
Snow showers, mainly after noon. Some thunder is also possible. High near 39. South southeast wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Sunday Night
Snow showers. Low around 25. Southwest wind around 7 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Monday
Snow showers. High near 31. Southwest wind 7 to 11 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Monday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 24. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday
A 50 percent chance of snow showers. Mostly cloudy, with a high near 33. New snow accumulation of less than a half inch possible.
Tuesday Night
A chance of snow, mainly after midnight. Mostly cloudy, with a low around 23.
Wednesday
Snow. Cloudy, with a high near 30.
Wednesday Night
Snow. Cloudy, with a low around 15.
Thursday
Snow. Cloudy, with a high near 23.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 11.
Friday
A chance of snow. Partly sunny, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
21 Miles SW Georgetown MT
 45.96°N 113.5°W (Elev. 8360 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