Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

Georgetown Lake (MTGTL)

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

unknown precip

36°F

2°C

Humidity 84%
Wind Speed SW 11 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Wind Chill28°F (-2°C)
Last update 15 Apr 03:00 PM MDT
Extended Forecast for

10 Miles S Georgetown MT

Winter Weather Advisory April 15, 06:00pm until April 16, 09:00am
Click here for hazard details and duration
Winter Weather Advisory
  • This Afternoon

    This Afternoon: Snow showers. The snow could be heavy at times. Some thunder is also possible.  High near 29. Breezy, with a southwest wind 22 to 24 mph, with gusts as high as 36 mph.  Chance of precipitation is 100%. Total daytime snow accumulation of 3 to 5 inches possible.

    High: 29 °F

    Heavy Snow
    and Breezy

  • Tonight

    Tonight: Snow, mainly before 9pm. The snow could be heavy at times.  Low around 9. Wind chill values as low as -8. Breezy, with a west wind 16 to 25 mph, with gusts as high as 36 mph.  Chance of precipitation is 100%. New snow accumulation of 4 to 6 inches possible.

    Low: 9 °F

    Heavy Snow
    and Breezy
    then Chance
    Snow

  • Thursday

    Thursday: Snow likely, mainly after 8am.  Mostly cloudy, with a high near 15. Wind chill values as low as -8. Blustery, with a west northwest wind 15 to 22 mph, with gusts as high as 32 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 15 °F

    Snow Likely
    and Blustery

  • Thursday Night

    Thursday Night: Snow likely, mainly before midnight.  Mostly cloudy, with a low around 11. Wind chill values as low as -7. Blustery, with a west wind 16 to 23 mph, with gusts as high as 32 mph.  Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 11 °F

    Snow Likely
    and Blustery

  • Friday

    Friday: Snow.  High near 20. West wind 16 to 18 mph, with gusts as high as 30 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 20 °F

    Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow before midnight.  Partly cloudy, with a low around 10.

    Low: 10 °F

    Slight Chance
    Snow then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 34.

    High: 34 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Snow showers. The snow could be heavy at times. Some thunder is also possible. High near 29. Breezy, with a southwest wind 22 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 3 to 5 inches possible.
Tonight
Snow, mainly before 9pm. The snow could be heavy at times. Low around 9. Wind chill values as low as -8. Breezy, with a west wind 16 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 6 inches possible.
Thursday
Snow likely, mainly after 8am. Mostly cloudy, with a high near 15. Wind chill values as low as -8. Blustery, with a west northwest wind 15 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 11. Wind chill values as low as -7. Blustery, with a west wind 16 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Friday
Snow. High near 20. West wind 16 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Friday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around 10.
Saturday
Sunny, with a high near 34.
Saturday Night
Partly cloudy, with a low around 21.
Sunday
Mostly sunny, with a high near 42.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 46.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
A chance of rain and snow. Mostly sunny, with a high near 48.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 32.
Wednesday
Snow likely. Partly sunny, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles S Georgetown MT
 46.06°N 113.28°W (Elev. 8914 ft)
2:01 pm MDT Apr 15, 2026
3pm MDT Apr 15, 2026-6pm MDT Apr 22, 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