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 >

Hazardous Weather Conditions

Winter Weather Advisory in effect from April 15, 03:00 PM MDT until April 16, 09:00 AM MDT

Current conditions at

Georgetown Lake (MTGTL)

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

37°F

3°C

Humidity	62%
Wind Speed	SW 12 MPH
Barometer	NA
Dewpoint	25°F (-4°C)
Visibility	NA
Wind Chill	29°F (-2°C)
Last update	15 Apr 12:15 AM MDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

21 Miles SW Georgetown MT

Winter Weather Advisory April 15, 03:00pm until April 16, 09:00am

Click here for hazard details and duration

Winter Weather Advisory

Overnight
Low: 26 °F
Heavy Snow
Wednesday
High: 32 °F
Heavy Snow
Wednesday Night
Low: 11 °F
Heavy Snow
then Chance
Snow
Thursday
High: 18 °F
Snow
Thursday Night
Low: 12 °F
Snow Likely
Friday
High: 23 °F
Chance Snow
then Snow
Friday Night
Low: 12 °F
Slight Chance
Snow then
Mostly Clear
Saturday
High: 36 °F
Sunny
Saturday Night
Low: 21 °F
Partly Cloudy

Detailed Forecast

Overnight

A 50 percent chance of snow, mainly after 4am. The snow could be heavy at times. Mostly cloudy, with a low around 26. West southwest wind 10 to 13 mph, with gusts as high as 28 mph. Total nighttime snow accumulation of 1 to 3 inches possible.

Wednesday

Snow before 3pm, then snow showers after 3pm. The snow could be heavy at times. Some thunder is also possible. High near 32. Southwest wind 10 to 15 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

Wednesday Night

Snow, mainly before 9pm. The snow could be heavy at times. Low around 11. Wind chill values as low as zero. West northwest wind 7 to 14 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

Thursday

Snow before 3pm, then snow showers after 3pm. Some thunder is also possible. High near 18. Wind chill values as low as -1. West northwest wind 8 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Thursday Night

Snow likely, mainly before midnight. Mostly cloudy, with a low around 12. West wind 6 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Friday

Snow, mainly after noon. High near 23. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

Friday Night

A 20 percent chance of snow before midnight. Partly cloudy, with a low around 12.

Saturday

Sunny, with a high near 36.

Saturday Night

Partly cloudy, with a low around 21.

Sunday

Mostly sunny, with a high near 43.

Sunday Night

Mostly cloudy, with a low around 26.