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.

38°F

3°C

Humidity	58%
Wind Speed	SW 4 MPH
Barometer	NA
Dewpoint	24°F (-4°C)
Visibility	NA
Wind Chill	35°F (2°C)
Last update	14 Apr 10:30 PM 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

Tonight
Low: 27 °F
Mostly Cloudy
then Heavy
Snow
Wednesday
High: 35 °F
Snow
Wednesday Night
Low: 14 °F
Heavy Snow
then Snow
Likely
Thursday
High: 22 °F
Snow
Thursday Night
Low: 14 °F
Snow Likely
Friday
High: 27 °F
Chance Snow
then Snow
Friday Night
Low: 14 °F
Slight Chance
Snow then
Mostly Clear
Saturday
High: 39 °F
Sunny
Saturday Night
Low: 23 °F
Partly Cloudy

Detailed Forecast

Tonight

A 50 percent chance of snow after 3am. The snow could be heavy at times. Mostly cloudy, with a low around 27. Southwest wind 8 to 10 mph, with gusts as high as 25 mph. Total nighttime snow accumulation of around an inch possible.

Wednesday

Snow, mainly before 3pm, then snow showers after 3pm. Some thunder is also possible. High near 35. Southwest wind 7 to 14 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

Wednesday Night

Snow. The snow could be heavy at times. Low around 14. West wind 6 to 11 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Thursday

Snow. High near 22. West northwest wind 5 to 10 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Thursday Night

Snow likely, mainly before midnight. Mostly cloudy, with a low around 14. Northwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Friday

Snow, mainly after noon. High near 27. 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 14.

Saturday

Sunny, with a high near 39.

Saturday Night

Partly cloudy, with a low around 23.

Sunday

Mostly sunny, with a high near 47.

Sunday Night

A slight chance of snow. Mostly cloudy, with a low around 29.