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.

NA

33°F

1°C

Humidity 80%
Wind Speed NW 2 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 15 Apr 06:45 AM MDT
Extended Forecast for

11 Miles SSE Georgetown MT

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

    Today: Snow showers. The snow could be heavy at times. Some thunder is also possible.  High near 27. Breezy, with a southwest wind 23 to 28 mph, with gusts as high as 41 mph.  Chance of precipitation is 90%. Total daytime snow accumulation of 4 to 8 inches possible.

    High: 27 °F

    Heavy Snow
    and Breezy

  • Tonight

    Tonight: Snow showers, mainly before 9pm. The snow could be heavy at times.  Low around 8. Wind chill values as low as -10. Breezy, with a west northwest wind 24 to 29 mph decreasing to 18 to 23 mph after midnight. Winds could gust as high as 40 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    Low: 8 °F

    Breezy. Heavy
    Snow then
    Chance Snow
    Showers

  • Thursday

    Thursday: Snow showers. Some thunder is also possible.  High near 13. Wind chill values as low as -11. Blustery, with a west northwest wind 18 to 23 mph, with gusts as high as 34 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 13 °F

    Snow Showers
    and Blustery

  • Thursday Night

    Thursday Night: Snow showers likely, mainly before midnight.  Mostly cloudy, with a low around 10. Wind chill values as low as -10. Blustery, with a west wind 17 to 25 mph, with gusts as high as 37 mph.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 10 °F

    Snow Showers
    Likely and
    Blustery

  • Friday

    Friday: Snow showers.  High near 18. Blustery, with a northwest wind 17 to 22 mph, with gusts as high as 33 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 18 °F

    Snow Showers
    and Blustery

  • Friday Night

    Friday Night: A 20 percent chance of snow showers before midnight.  Partly cloudy, with a low around 9. Blustery.

    Low: 9 °F

    Slight Chance
    Snow Showers
    and Blustery
    then Mostly
    Clear

  • Saturday

    Saturday: Sunny, with a high near 30.

    High: 30 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

Detailed Forecast

Today
Snow showers. The snow could be heavy at times. Some thunder is also possible. High near 27. Breezy, with a southwest wind 23 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 4 to 8 inches possible.
Tonight
Snow showers, mainly before 9pm. The snow could be heavy at times. Low around 8. Wind chill values as low as -10. Breezy, with a west northwest wind 24 to 29 mph decreasing to 18 to 23 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Thursday
Snow showers. Some thunder is also possible. High near 13. Wind chill values as low as -11. Blustery, with a west northwest wind 18 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 10. Wind chill values as low as -10. Blustery, with a west wind 17 to 25 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday
Snow showers. High near 18. Blustery, with a northwest wind 17 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Friday Night
A 20 percent chance of snow showers before midnight. Partly cloudy, with a low around 9. Blustery.
Saturday
Sunny, with a high near 30.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
Mostly sunny, with a high near 38.
Sunday Night
Partly cloudy, with a low around 24.
Monday
A slight chance of snow. Mostly sunny, with a high near 41.
Monday Night
A chance of snow. Partly cloudy, with a low around 28.
Tuesday
A chance of snow. Partly sunny, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SSE Georgetown MT
 46.05°N 113.18°W (Elev. 9767 ft)
2:01 am MDT Apr 15, 2026
7am MDT Apr 15, 2026-6pm MDT Apr 21, 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