Significant Storm System To Bring A Plethora Of Impacts From The Desert Southwest To The Northeast U.S. Through Thursday

A developing storm system will bring heavy snow and strong winds from the Desert Southwest to the Four Corners Region and into the Plains through Tuesday. The threat for heavy snow, ice, and dangerous travel will expand across the Midwest, Ohio Valley, Mid Atlantic, and the Northeast U.S. Tuesday through Wednesday. Dangerous travel likely. Heavy rain and flooding possible over the southern states. Read More >

Hazardous Weather Conditions

Flood Watch until February 19, 03:00 PM MST

En Español

Current conditions at

LONE MOUNTAIN (BSKM8)

Lat: 45.27412°NLon: 111.42692°WElev: 8880ft.

5°F

-15°C

Humidity	78%
Wind Speed	NA
Barometer	NA
Dewpoint	-1°F (-18°C)
Visibility	NA
Last update	18 Feb 4:00 am MST

More Information:

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

Extended Forecast for

7 Miles NNW Big Sky MT

Flood Watch until February 19, 03:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch until February 19, 03:00pm

NOW until
3:00pm Tue

Flood Watch
Overnight

Partly Cloudy
Low: -8 °F
Washington's
Birthday

Chance Snow
High: 2 °F
Monday
Night

Gradual
Clearing
Low: -8 °F
Tuesday

Sunny then
Areas Blowing
Snow
High: 6 °F
Tuesday
Night

Chance Snow
and Areas
Blowing Snow
Low: -2 °F
Wednesday

Chance Snow
and Breezy
High: 9 °F
Wednesday
Night

Chance Snow
Low: -1 °F
Thursday

Chance Snow
and Blustery
High: 5 °F

Detailed Forecast

Overnight

Partly cloudy, with a low around -8. Wind chill values as low as -21. South southeast wind around 6 mph.

Washington's Birthday

A 30 percent chance of snow, mainly after 11am. Increasing clouds and cold, with a high near 2. Wind chill values as low as -21. Southeast wind 6 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. New snow accumulation of less than a half inch possible.

Monday Night

Cloudy during the early evening, then gradual clearing, with a low around -8. Wind chill values as low as -23. North wind around 8 mph becoming south in the evening.

Tuesday

Areas of blowing snow after 1pm. Sunny and cold, with a high near 6. Wind chill values as low as -25. Southwest wind 9 to 18 mph, with gusts as high as 25 mph.

Tuesday Night

A 50 percent chance of snow after 11pm. Areas of blowing snow before 11pm. Mostly cloudy, with a low around -2. South wind around 21 mph, with gusts as high as 29 mph. New snow accumulation of less than one inch possible.

Wednesday

A 40 percent chance of snow. Cloudy and cold, with a high near 9. Breezy. New snow accumulation of 1 to 2 inches possible.

Wednesday Night

A 40 percent chance of snow. Cloudy, with a low around -1. New snow accumulation of 1 to 2 inches possible.

Thursday

A chance of snow. Cloudy and cold, with a high near 5. Blustery.

Thursday Night

Mostly cloudy, with a low around -8. Blustery.

Friday

Sunny and cold, with a high near 8.

Friday Night

Partly cloudy, with a low around -1. Breezy.