Dangerous Heat in the West; Coastal Flooding & High Rip Current Risk through the Weekend on the East Coast; Flash Flooding Concerns in the Southeast and Southwest

A dangerous, record heat wave continues across portions of the West through Tuesday. High rip current risk and dangerous surf continue through the weekend. There are flash flooding concerns through the weekend for portions of the Southeast and Southwest. Read More >

Current conditions at

Karst US-191 MP 55.3 (MTKAR)

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

unknown precip

49°F

9°C

Humidity	78%
Wind Speed	SSE 0 MPH
Barometer	NA
Dewpoint	42°F (6°C)
Visibility	NA
Last update	23 Aug 09:30 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

Today
High: 85 °F
Sunny
Tonight
Low: 45 °F
Haze then
Partly Cloudy
Sunday
High: 83 °F
Mostly Sunny
then Haze
Sunday Night
Low: 46 °F
Mostly Cloudy
Monday
High: 82 °F
Mostly Sunny
Monday Night
Low: 48 °F
Mostly Cloudy
Tuesday
High: 82 °F
Chance
T-storms
Tuesday Night
Low: 49 °F
Chance
T-storms then
Slight Chance
Showers
Wednesday
High: 76 °F
Showers
Likely

Detailed Forecast

Today

Sunny, with a high near 85. Calm wind becoming north 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

Tonight

Widespread haze before 9pm. Partly cloudy, with a low around 45. North northeast wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 18 mph.

Sunday

Widespread haze before 5pm. Mostly sunny, with a high near 83. Calm wind becoming north northeast 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

Sunday Night

Mostly cloudy, with a low around 46. North northeast wind 5 to 7 mph becoming calm after midnight.

Monday

Mostly sunny, with a high near 82. Calm wind becoming north around 6 mph in the afternoon.

Monday Night

Mostly cloudy, with a low around 48. North northeast wind 5 to 7 mph becoming calm after midnight.

Tuesday

A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. Calm wind becoming north northwest around 6 mph in the afternoon.

Tuesday Night

A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 49. East southeast wind around 6 mph becoming calm in the evening.

Wednesday

A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 76.

Wednesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 48.

Thursday

Showers likely. Mostly cloudy, with a high near 73.

Thursday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 47.

Friday

A chance of showers. Partly sunny, with a high near 74.