Severe Thunderstorms in the Northern Plains and Upper Midwest; Critical Fire Weather in the West; Dangerous Heat in the Central and Eastern U.S.

Severe thunderstorms are likely today across the northern Plains and into the upper Mississippi Valley. Gusty winds and dry conditions will result in widespread critical fire weather through Saturday across parts of the Four Corners region and the Great Basin. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Read More >

Hazardous Weather Conditions

Winter Weather Advisory in effect from June 21, 02:00 AM MDT until June 22, 12:00 PM MDT

Current conditions at

Georgetown Lake (MTGTL)

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

unknown precip

40°F

4°C

Humidity	98%
Wind Speed	WNW 8 MPH
Barometer	NA
Dewpoint	39°F (4°C)
Visibility	NA
Wind Chill	35°F (2°C)
Last update	21 Jun 12:30 AM MDT

More Information:

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

Extended Forecast for

2 Miles E Georgetown MT

Winter Weather Advisory June 21, 02:00am until June 22, 12:00pm

Click here for hazard details and duration

Winter Weather Advisory

Overnight
Low: 28 °F
Rain/Snow
Saturday
High: 47 °F
Chance Snow
then
Rain/Snow
Likely
Saturday Night
Low: 27 °F
Chance
Rain/Snow
then Snow
Sunday
High: 40 °F
Snow then
Rain/Snow
Sunday Night
Low: 23 °F
Chance Rain
then Partly
Cloudy
Monday
High: 54 °F
Sunny then
Chance
Showers
Monday Night
Low: 31 °F
Mostly Clear
Tuesday
High: 62 °F
Sunny then
Slight Chance
T-storms
Tuesday Night
Low: 36 °F
Partly Cloudy

Detailed Forecast

Overnight

Rain showers before 2am, then rain and snow showers between 2am and 3am, then rain and snow after 3am. Some thunder is also possible. Snow level 8300 feet lowering to 6700 feet. Low around 28. West wind around 8 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of less than a half inch possible.

Saturday

Snow likely before 1pm, then rain showers likely. Some thunder is also possible. Mostly cloudy, with a high near 47. West wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Saturday Night

A chance of rain before 9pm, then a chance of rain and snow between 9pm and midnight, then snow after midnight. Snow level 7000 feet lowering to 6600 feet after midnight . Low around 27. North northwest wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Sunday

Snow before noon, then rain and snow showers between noon and 3pm, then rain showers after 3pm. Some thunder is also possible. Snow level rising to 7500 feet in the afternoon. High near 40. North northwest wind 6 to 8 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Sunday Night

A 30 percent chance of rain before midnight. Snow level 7600 feet. Mostly cloudy, with a low around 23. Northwest wind around 6 mph becoming light and variable in the evening.

Monday

A 30 percent chance of showers and thunderstorms after noon. Snow level 7200 feet rising to 9000 feet in the afternoon. Mostly sunny, with a high near 54.

Monday Night

Mostly clear, with a low around 31.

Tuesday

A slight chance of showers and thunderstorms after noon. Sunny, with a high near 62.

Tuesday Night

Partly cloudy, with a low around 36.

Wednesday

Mostly sunny, with a high near 67.

Wednesday Night

Partly cloudy, with a low around 40.

Thursday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 68.