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

40°F

4°C

Humidity 60%
Wind Speed SW 21 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Wind Chill30°F (-1°C)
Last update 15 Apr 02:15 PM MDT
Extended Forecast for

14 Miles SSW 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 before 3pm, then snow showers, mainly after 3pm. The snow could be heavy at times. Some thunder is also possible.  High near 28. Breezy, with a southwest wind around 23 mph, with gusts as high as 37 mph.  Chance of precipitation is 100%. Total daytime snow accumulation of 4 to 8 inches possible.

    High: 28 °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 15 to 25 mph, with gusts as high as 36 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 9 °F

    Heavy Snow
    and Breezy
    then Chance
    Snow

  • Thursday

    Thursday: Snow likely, mainly after 3pm.  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 2 to 4 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 15 to 22 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 15 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 33.

    High: 33 °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 41.

    High: 41 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Snow before 3pm, then snow showers, mainly after 3pm. The snow could be heavy at times. Some thunder is also possible. High near 28. Breezy, with a southwest wind around 23 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 4 to 8 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 15 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Thursday
Snow likely, mainly after 3pm. 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 2 to 4 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 15 to 22 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 15 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 33.
Saturday Night
Partly cloudy, with a low around 21.
Sunday
Mostly sunny, with a high near 41.
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 30.
Tuesday
A chance of rain and snow. Mostly sunny, with a high near 48.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
14 Miles SSW Georgetown MT
 46.01°N 113.39°W (Elev. 9035 ft)
2:01 pm MDT Apr 15, 2026
2pm MDT Apr 15, 2026-6pm MDT Apr 21, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database