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

Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Current conditions at

Georgetown Lake (MTGTL)

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

NA

39°F

4°C

Humidity 82%
Wind Speed WNW 5 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Wind Chill35°F (2°C)
Last update 12 Apr 02:15 PM MDT
Extended Forecast for

21 Miles SW Georgetown MT

  • This Afternoon

    This Afternoon: Snow before 3pm, then snow showers after 3pm. Some thunder is also possible. High near 39. South wind around 7 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than a half inch possible.

    High: 39 °F

    Snow

  • Tonight

    Tonight: Snow showers before 9pm, then snow likely, mainly after 5am. The snow could be heavy at times. Some thunder is also possible. Low around 24. South southwest wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 24 °F

    Snow Showers
    then Heavy
    Snow

  • Monday

    Monday: Snow. The snow could be heavy at times. High near 30. South southwest wind 9 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of 4 to 8 inches possible.

    High: 30 °F

    Heavy Snow

  • Monday Night

    Monday Night: A 50 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 24. West wind 7 to 10 mph, with gusts as high as 26 mph. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Chance Snow
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 33. West southwest wind 7 to 13 mph, with gusts as high as 31 mph.

    High: 33 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow after midnight. Mostly cloudy, with a low around 24. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: Snow. High near 32. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 32 °F

    Snow Likely
    then Snow

  • Wednesday Night

    Wednesday Night: Snow. The snow could be heavy at times. Cloudy, with a low around 14.

    Low: 14 °F

    Heavy Snow

  • Thursday

    Thursday: Snow. Cloudy, with a high near 20.

    High: 20 °F

    Snow

Detailed Forecast

This Afternoon
Snow before 3pm, then snow showers after 3pm. Some thunder is also possible. High near 39. South wind around 7 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow showers before 9pm, then snow likely, mainly after 5am. The snow could be heavy at times. Some thunder is also possible. Low around 24. South southwest wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Monday
Snow. The snow could be heavy at times. High near 30. South southwest wind 9 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of 4 to 8 inches possible.
Monday Night
A 50 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 24. West wind 7 to 10 mph, with gusts as high as 26 mph. New snow accumulation of less than a half inch possible.
Tuesday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 33. West southwest wind 7 to 13 mph, with gusts as high as 31 mph.
Tuesday Night
A 40 percent chance of snow after midnight. Mostly cloudy, with a low around 24. New snow accumulation of less than a half inch possible.
Wednesday
Snow. High near 32. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Snow. The snow could be heavy at times. Cloudy, with a low around 14.
Thursday
Snow. Cloudy, with a high near 20.
Thursday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 11.
Friday
Snow likely. Mostly cloudy, with a high near 26.
Friday Night
A chance of snow. Partly cloudy, with a low around 13.
Saturday
A slight chance of snow. Mostly sunny, with a high near 34.
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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 pm MDT Apr 12, 2026
Forecast Valid:
2pm MDT Apr 12, 2026-6pm MDT Apr 18, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation