Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Current conditions at

Georgetown Lake (MTGTL)

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

NA

35°F

2°C

Humidity 64%
Wind Speed SW 10 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Wind Chill27°F (-3°C)
Last update 13 Apr 10:30 AM MDT
Extended Forecast for

8 Miles SSE Georgetown MT

  • Today

    Today: Snow showers likely, mainly after 2pm.  Mostly cloudy, with a high near 35. West northwest wind 16 to 18 mph, with gusts as high as 31 mph.  Chance of precipitation is 70%. Total daytime snow accumulation of 1 to 3 inches possible.

    High: 35 °F

    Chance Snow
    Showers then
    Snow Showers
    Likely

  • Tonight

    Tonight: A 30 percent chance of snow showers, mainly before 9pm.  Mostly cloudy, with a low around 24. West wind 13 to 18 mph, with gusts as high as 31 mph.  New snow accumulation of 1 to 2 inches possible.

    Low: 24 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 38. West southwest wind 14 to 21 mph, with gusts as high as 36 mph.

    High: 38 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow showers after midnight.  Mostly cloudy, with a low around 26. Southwest wind 17 to 21 mph, with gusts as high as 36 mph.  Little or no snow accumulation expected.

    Low: 26 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Wednesday

    Wednesday: Snow showers.  High near 36. Breezy, with a southwest wind 16 to 23 mph, with gusts as high as 41 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 36 °F

    Snow Showers
    Likely then
    Snow Showers
    and Breezy

  • Wednesday Night

    Wednesday Night: Snow showers.  Low around 18. Breezy.  Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 18 °F

    Snow Showers
    and Breezy

  • Thursday

    Thursday: Snow showers.  High near 23. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    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

  • Friday

    Friday: A chance of snow.  Partly sunny, with a high near 28.

    High: 28 °F

    Chance Snow

Detailed Forecast

Today
Snow showers likely, mainly after 2pm. Mostly cloudy, with a high near 35. West northwest wind 16 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
A 30 percent chance of snow showers, mainly before 9pm. Mostly cloudy, with a low around 24. West wind 13 to 18 mph, with gusts as high as 31 mph. New snow accumulation of 1 to 2 inches possible.
Tuesday
Partly sunny, with a high near 38. West southwest wind 14 to 21 mph, with gusts as high as 36 mph.
Tuesday Night
A 30 percent chance of snow showers after midnight. Mostly cloudy, with a low around 26. Southwest wind 17 to 21 mph, with gusts as high as 36 mph. Little or no snow accumulation expected.
Wednesday
Snow showers. High near 36. Breezy, with a southwest wind 16 to 23 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
Snow showers. Low around 18. Breezy. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Thursday
Snow showers. High near 23. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
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 before midnight. Partly cloudy, with a low around 14.
Saturday
Mostly sunny, with a high near 38.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
A chance of snow. Mostly sunny, with a high near 44.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSE Georgetown MT
 46.1°N 113.16°W (Elev. 8301 ft)
2:01 am MDT Apr 13, 2026
10am MDT Apr 13, 2026-6pm MDT Apr 19, 2026
 
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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