Tracking Storm System Across the Eastern U.S.

A storm system will continue to produce widespread showers and thunderstorms as it progresses eastward across the central U.S. into the Northeast through the weekend. There are risks of severe thunderstorms and excessive rainfall on Saturday from the Ozarks into the mid-Mississippi River Valley with potential for damaging winds, large hail, tornadoes, and flash flooding. Read More >

Current conditions at

Karst US-191 MP 55.3 (MTKAR)

Lat: 45.34534°NLon: 111.17261°WElev: 5699.0ft.

unknown precip

37°F

3°C

Humidity	99%
Wind Speed	NNE 0 MPH
Barometer	NA
Dewpoint	37°F (3°C)
Visibility	NA
Last update	17 Oct 11:30 PM MDT

More Information:

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

Extended Forecast for

4 Miles E Big Sky MT

Tonight
Low: 23 °F
Rain/Snow
Likely
Saturday
High: 51 °F
Mostly Sunny
Saturday Night
Low: 32 °F
Mostly Cloudy
Sunday
High: 54 °F
Chance Rain
then Rain
Likely
Sunday Night
Low: 26 °F
Chance
Rain/Snow
then Chance
Snow
Monday
High: 47 °F
Mostly Sunny
Monday Night
Low: 24 °F
Mostly Clear
Tuesday
High: 56 °F
Mostly Sunny
Tuesday Night
Low: 28 °F
Mostly Cloudy

Detailed Forecast

Tonight

Rain and snow likely before 2am, then a chance of snow between 2am and 5am. Mostly cloudy, with a low around 23. West northwest wind 6 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Saturday

Mostly sunny, with a high near 51. West northwest wind 5 to 8 mph becoming south in the morning.

Saturday Night

Mostly cloudy, with a low around 32. South wind 7 to 15 mph, with gusts as high as 30 mph.

Sunday

Rain likely, mainly after noon. Increasing clouds, with a high near 54. South wind 14 to 20 mph becoming west southwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 70%.

Sunday Night

A chance of rain before 9pm, then a chance of rain and snow between 9pm and midnight, then a chance of snow after midnight. Mostly cloudy, with a low around 26. West southwest wind 9 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

Monday

Mostly sunny, with a high near 47. West wind around 8 mph.

Monday Night

Mostly clear, with a low around 24. South wind 3 to 6 mph.

Tuesday

Mostly sunny, with a high near 56. South wind around 7 mph.

Tuesday Night

Mostly cloudy, with a low around 28.

Wednesday

Mostly sunny, with a high near 57.

Wednesday Night

Mostly clear, with a low around 29.