Excessive Rainfall and Severe Thunderstorms Threaten the Southern U.S. Again Thursday

A Moderate Risk (Level 3 of 4) Excessive Rainfall Outlook and Flood Watches have been issued for portions of east Texas into Louisiana Thursday where flash, urban, and riverine flooding is possible. A Slight Risk (Level 2 of 5) for scattered severe thunderstorms has been issued from west Texas to the lower Mississippi Valley Thursday afternoon into Thursday night. Read More >

Current conditions at

Karst US-191 MP 55.3 (MTKAR)

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

unknown precip

42°F

6°C

Humidity	89%
Wind Speed	SSW 0 MPH
Barometer	NA
Dewpoint	39°F (4°C)
Visibility	NA
Last update	17 May 12:15 AM MDT

More Information:

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

Extended Forecast for

4 Miles E Big Sky MT

Overnight
Low: 43 °F
Mostly Clear
Friday
High: 63 °F
Chance
Showers
Friday Night
Low: 27 °F
Mostly Clear
Saturday
High: 61 °F
Sunny
Saturday Night
Low: 37 °F
Mostly Cloudy
Sunday
High: 53 °F
Chance
Rain/Snow
then Showers
Likely
Sunday Night
Low: 29 °F
Chance
Rain/Snow
then Mostly
Cloudy
Monday
High: 53 °F
Slight Chance
Snow Showers
then Showers
Likely
Monday Night
Low: 30 °F
Partly Cloudy

Detailed Forecast

Overnight

Mostly clear, with a low around 43. South wind around 6 mph.

Friday

A chance of showers, with thunderstorms also possible after noon. Increasing clouds, with a high near 63. South southeast wind 6 to 11 mph becoming west 16 to 21 mph in the morning. Winds could gust as high as 38 mph. Chance of precipitation is 50%.

Friday Night

Mostly clear, with a low around 27. West northwest wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 31 mph.

Saturday

Sunny, with a high near 61. Light south southwest wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 23 mph.

Saturday Night

Mostly cloudy, with a low around 37. Southwest wind 5 to 10 mph becoming light south southwest after midnight. Winds could gust as high as 22 mph.

Sunday

A chance of rain and snow showers before 9am, then rain showers likely. Some thunder is also possible. Mostly cloudy, with a high near 53. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Sunday Night

A chance of rain and snow showers before midnight. Mostly cloudy, with a low around 29. Northwest wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 30%. Little or no snow accumulation expected.

Monday

A slight chance of snow showers before noon, then rain showers likely. Some thunder is also possible. Partly sunny, with a high near 53. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

Monday Night

Partly cloudy, with a low around 30.

Tuesday

A chance of showers after noon. Mostly sunny, with a high near 59.

Tuesday Night

A slight chance of showers. Mostly cloudy, with a low around 36.

Wednesday

A chance of showers and thunderstorms. Partly sunny, with a high near 60.

Wednesday Night

A chance of showers. Mostly cloudy, with a low around 36.

Thursday

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 52.