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

28°F

-2°C

Humidity 89%
Wind Speed ENE 3 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Last update 13 Apr 04:15 AM MDT
Extended Forecast for

21 Miles SW Georgetown MT

  • Overnight

    Overnight: A 40 percent chance of snow showers. Mostly cloudy, with a low around 25. South wind around 7 mph, with gusts as high as 20 mph. Total nighttime snow accumulation of less than one inch possible.

    Low: 25 °F

    Chance Snow
    Showers

  • Monday

    Monday: Snow showers. High near 34. South southwest wind 7 to 10 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

    High: 34 °F

    Chance Snow
    Showers then
    Snow Showers

  • Monday Night

    Monday Night: A 40 percent chance of snow showers, mainly before 9pm. Mostly cloudy, with a low around 25. West northwest wind 5 to 9 mph becoming light west after midnight. Winds could gust as high as 24 mph. New snow accumulation of less than one inch possible.

    Low: 25 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow showers before noon. Mostly cloudy, with a high near 38. West southwest wind 5 to 11 mph, with gusts as high as 30 mph.

    High: 38 °F

    Slight Chance
    Snow Showers
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow showers after midnight. Mostly cloudy, with a low around 27. Southwest wind 9 to 11 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Wednesday

    Wednesday: Snow showers. High near 35. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 35 °F

    Snow Showers

  • Wednesday Night

    Wednesday Night: Snow showers. The snow could be heavy at times. Low around 16. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    Low: 16 °F

    Heavy Snow

  • Thursday

    Thursday: Snow showers. Cloudy, with a high near 23.

    High: 23 °F

    Snow Showers

  • Thursday Night

    Thursday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 13.

    Low: 13 °F

    Snow Likely

Detailed Forecast

Overnight
A 40 percent chance of snow showers. Mostly cloudy, with a low around 25. South wind around 7 mph, with gusts as high as 20 mph. Total nighttime snow accumulation of less than one inch possible.
Monday
Snow showers. High near 34. South southwest wind 7 to 10 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.
Monday Night
A 40 percent chance of snow showers, mainly before 9pm. Mostly cloudy, with a low around 25. West northwest wind 5 to 9 mph becoming light west after midnight. Winds could gust as high as 24 mph. New snow accumulation of less than one inch possible.
Tuesday
A 20 percent chance of snow showers before noon. Mostly cloudy, with a high near 38. West southwest wind 5 to 11 mph, with gusts as high as 30 mph.
Tuesday Night
A 40 percent chance of snow showers after midnight. Mostly cloudy, with a low around 27. Southwest wind 9 to 11 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.
Wednesday
Snow showers. High near 35. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
Snow showers. The snow could be heavy at times. Low around 16. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Thursday
Snow showers. Cloudy, with a high near 23.
Thursday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 13.
Friday
A chance of snow. Partly sunny, with a high near 28.
Friday Night
A slight chance of snow. Partly cloudy, with a low around 14.
Saturday
Mostly sunny, with a high near 38.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
A chance of snow. Mostly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
21 Miles SW Georgetown MT
 45.96°N 113.53°W (Elev. 7598 ft)
Last Update:
2:01 am MDT Apr 13, 2026
Forecast Valid:
4am MDT Apr 13, 2026-6pm MDT Apr 19, 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