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

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over the Northern Mariana Islands. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes through Tuesday. Heavy snow is expected in the Pacific Northwest. Read More >

Current conditions at

Georgetown Lake (MTGTL)

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

unknown precip

34°F

1°C

Humidity 80%
Wind Speed SW 9 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Wind Chill27°F (-3°C)
Last update 13 Apr 10:45 PM MDT
Extended Forecast for

10 Miles SSE Georgetown MT

  • Tonight

    Tonight: A 20 percent chance of snow before midnight.  Mostly cloudy, with a low around 21. West northwest wind around 16 mph, with gusts as high as 25 mph.

    Low: 21 °F

    Slight Chance
    Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 32. Breezy, with a west southwest wind 15 to 23 mph, with gusts as high as 38 mph.

    High: 32 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow after midnight.  Mostly cloudy, with a low around 23. Breezy, with a west southwest wind 20 to 23 mph, with gusts as high as 37 mph.  Little or no snow accumulation expected.

    Low: 23 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: Snow.  High near 31. Breezy, with a southwest wind 18 to 26 mph, with gusts as high as 43 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 31 °F

    Breezy. Snow
    Likely then
    Snow

  • Wednesday Night

    Wednesday Night: Snow. The snow could be heavy at times.  Low around 12. Breezy, with a west wind 18 to 25 mph, with gusts as high as 40 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 12 °F

    Heavy Snow
    and Breezy
    then Snow
    Likely

  • Thursday

    Thursday: Snow before noon, then snow showers after noon. Some thunder is also possible.  High near 17. Blustery.  Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 17 °F

    Snow and
    Blustery

  • Thursday Night

    Thursday Night: Snow likely, mainly before midnight.  Mostly cloudy, with a low around 10. Blustery.  Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 10 °F

    Snow Likely
    and Blustery

  • Friday

    Friday: Snow likely.  Mostly cloudy, with a high near 22. Blustery.

    High: 22 °F

    Snow Likely
    and Blustery

  • Friday Night

    Friday Night: A chance of snow before midnight.  Partly cloudy, with a low around 10. Blustery.

    Low: 10 °F

    Chance Snow
    and Blustery
    then Mostly
    Clear

Detailed Forecast

Tonight
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 21. West northwest wind around 16 mph, with gusts as high as 25 mph.
Tuesday
Partly sunny, with a high near 32. Breezy, with a west southwest wind 15 to 23 mph, with gusts as high as 38 mph.
Tuesday Night
A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 23. Breezy, with a west southwest wind 20 to 23 mph, with gusts as high as 37 mph. Little or no snow accumulation expected.
Wednesday
Snow. High near 31. Breezy, with a southwest wind 18 to 26 mph, with gusts as high as 43 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Snow. The snow could be heavy at times. Low around 12. Breezy, with a west wind 18 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Thursday
Snow before noon, then snow showers after noon. Some thunder is also possible. High near 17. Blustery. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 10. Blustery. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Friday
Snow likely. Mostly cloudy, with a high near 22. Blustery.
Friday Night
A chance of snow before midnight. Partly cloudy, with a low around 10. Blustery.
Saturday
Sunny, with a high near 33.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
A slight chance of snow. Mostly sunny, with a high near 38.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 25.
Monday
A chance of snow. Partly sunny, with a high near 37. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles SSE Georgetown MT
 46.06°N 113.15°W (Elev. 8937 ft)
2:01 pm MDT Apr 13, 2026
11pm MDT Apr 13, 2026-6pm MDT Apr 20, 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