Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Current conditions at

Georgetown Lake (MTGTL)

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

36°F

2°C

Humidity	63%
Wind Speed	SSW 9 MPH
Barometer	NA
Dewpoint	24°F (-4°C)
Visibility	NA
Wind Chill	29°F (-2°C)
Last update	13 Apr 12:45 PM MDT

More Information:

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

Extended Forecast for

21 Miles SW Georgetown MT

This Afternoon
High: 31 °F
Chance Snow
Tonight
Low: 23 °F
Chance Snow
then Mostly
Cloudy
Tuesday
High: 34 °F
Mostly Cloudy
Tuesday Night
Low: 25 °F
Mostly Cloudy
then Chance
Snow
Wednesday
High: 33 °F
Snow Likely
then Snow
Wednesday Night
Low: 13 °F
Heavy Snow
Thursday
High: 19 °F
Snow
Thursday Night
Low: 12 °F
Snow Likely
Friday
High: 25 °F
Snow Likely

Detailed Forecast

This Afternoon

A 40 percent chance of snow. Mostly cloudy, with a high near 31. West wind around 10 mph, with gusts as high as 26 mph. Total daytime snow accumulation of 1 to 3 inches possible.

Tonight

A 40 percent chance of snow, mainly before 10pm. Mostly cloudy, with a low around 23. West northwest wind 6 to 10 mph, with gusts as high as 25 mph. New snow accumulation of less than one inch possible.

Tuesday

Mostly cloudy, with a high near 34. West southwest wind 6 to 13 mph, with gusts as high as 31 mph.

Tuesday Night

A 40 percent chance of snow after midnight. Mostly cloudy, with a low around 25. Southwest wind 10 to 13 mph, with gusts as high as 30 mph. New snow accumulation of less than one inch possible.

Wednesday

Snow. High near 33. Southwest wind 10 to 15 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Wednesday Night

Snow. The snow could be heavy at times. Low around 13. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

Thursday

Snow before noon, then snow showers after noon. Some thunder is also possible. High near 19. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Thursday Night

Snow likely, mainly before midnight. Mostly cloudy, with a low around 12.

Friday

Snow likely. Mostly cloudy, with a high near 25.

Friday Night

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

Saturday

Sunny, with a high near 35.

Saturday Night

Partly cloudy, with a low around 22.

Sunday

A slight chance of snow. Mostly sunny, with a high near 41.