Heavy Rain From the Central Plains to the Mid-Atlantic; Heat Wave Begins This Weekend

Strong to severe thunderstorms and heavy rain will impact portions of the central Plains into the Upper Midwest and the Mid-Atlantic through the weekend. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend and continuing through next week. The heat may reach dangerous levels, particularly mid to late next week. Read More >

Current conditions at

Karst US-191 MP 55.3 (MTKAR)

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

unknown precip

72°F

22°C

Humidity	31%
Wind Speed	SE 11 MPH
Barometer	NA
Dewpoint	40°F (4°C)
Visibility	NA
Last update	18 Jul 09:45 PM MDT

More Information:

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

Extended Forecast for

13 Miles ESE Big Sky MT

Tonight
Low: 50 °F
Slight Chance
T-storms then
Mostly Clear
Saturday
High: 66 °F
Increasing
Clouds
Saturday Night
Low: 47 °F
Partly Cloudy
Sunday
High: 65 °F
Sunny then
Slight Chance
T-storms
Sunday Night
Low: 47 °F
Mostly Cloudy
Monday
High: 66 °F
Mostly Sunny
then Slight
Chance
T-storms
Monday Night
Low: 46 °F
Slight Chance
T-storms then
Partly Cloudy
Tuesday
High: 65 °F
Mostly Sunny
then Chance
Showers
Tuesday Night
Low: 46 °F
Slight Chance
T-storms then
Mostly Clear

Detailed Forecast

Tonight

A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 50. Southwest wind 15 to 17 mph, with gusts as high as 23 mph.

Saturday

Increasing clouds, with a high near 66. West southwest wind 16 to 21 mph, with gusts as high as 33 mph.

Saturday Night

Partly cloudy, with a low around 47. West wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 30 mph.

Sunday

A 20 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 65. West southwest wind 10 to 16 mph, with gusts as high as 26 mph.

Sunday Night

Mostly cloudy, with a low around 47. West southwest wind 7 to 14 mph, with gusts as high as 21 mph.

Monday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 66. West southwest wind 8 to 17 mph, with gusts as high as 29 mph.

Monday Night

A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 46. West southwest wind 8 to 17 mph, with gusts as high as 26 mph.

Tuesday

A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 65. West southwest wind 9 to 16 mph, with gusts as high as 26 mph.

Tuesday Night

A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 46.

Wednesday

A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 66.

Wednesday Night

Mostly clear, with a low around 48.

Thursday

Sunny, with a high near 68.

Thursday Night

Partly cloudy, with a low around 50.