Significant Coastal Impacts to the Mid-Atlantic and Northeast; Tropical Storm Nolo to Impact Hawaii

A strong coastal storm will bring moderate to major coastal flooding, strong winds, heavy rainfall and high surf to the Mid-Atlantic and New England. Tropical Storm Nolo is expected to strengthen into a hurricane Thursday as it moves north toward the Big Island of Hawaii. Heavy rainfall will continue through Saturday, with locally catastrophic flooding possible. Hurricane Watch in effect. Read More >

Current conditions at

Karst US-191 MP 55.3 (MTKAR)

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

unknown precip

41°F

5°C

Humidity	NA
Wind Speed	NW 0 MPH
Barometer	NA
Dewpoint	N/A
Visibility	NA
Last update	NA

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: 40 °F
Mostly Clear
Thursday
High: 77 °F
Sunny
Thursday Night
Low: 43 °F
Increasing
Clouds
Friday
High: 76 °F
Mostly Sunny
Friday Night
Low: 42 °F
Partly Cloudy
Saturday
High: 68 °F
Mostly Sunny
Saturday Night
Low: 41 °F
Mostly Cloudy
Sunday
High: 68 °F
Chance
Showers
Sunday Night
Low: 41 °F
Showers
Likely

Detailed Forecast

Overnight

Mostly clear, with a low around 40. South wind 3 to 5 mph.

Thursday

Sunny, with a high near 77. Light south wind.

Thursday Night

Increasing clouds, with a low around 43. Calm wind becoming south around 6 mph in the evening.

Friday

Mostly sunny, with a high near 76. South wind 5 to 11 mph, with gusts as high as 26 mph.

Friday Night

Partly cloudy, with a low around 42. South southwest wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 33 mph.

Saturday

Mostly sunny, with a high near 68. Calm wind becoming southwest 5 to 8 mph in the afternoon. Winds could gust as high as 21 mph.

Saturday Night

Mostly cloudy, with a low around 41. Southwest wind around 5 mph becoming calm in the evening.

Sunday

A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 68. Calm wind becoming west southwest around 6 mph in the afternoon.

Sunday Night

A chance of showers and thunderstorms, then rain likely after midnight. Cloudy, with a low around 41.

Monday

Rain likely before noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 58.

Monday Night

A slight chance of rain. Partly cloudy, with a low around 35.

Tuesday

Mostly sunny, with a high near 61.

Tuesday Night

Partly cloudy, with a low around 36.

Wednesday

Mostly sunny, with a high near 64.