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 >

Current conditions at

LONE MOUNTAIN (BSKM8)

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

NA

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
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

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

    Partly Cloudy

    Low: -8 °F

  • Washington's
    Birthday

    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.

    Chance Snow

    High: 2 °F

  • Monday
    Night

    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.

    Gradual
    Clearing

    Low: -8 °F

  • Tuesday

    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.

    Sunny then
    Areas Blowing
    Snow

    High: 6 °F

  • Tuesday
    Night

    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.

    Chance Snow
    and Areas
    Blowing Snow

    Low: -2 °F

  • Wednesday

    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.

    Chance Snow
    and Breezy

    High: 9 °F

  • Wednesday
    Night

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

    Chance Snow

    Low: -1 °F

  • Thursday

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

    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.
Saturday
A chance of snow. Mostly cloudy, with a high near 11. Breezy.
Saturday Night
A chance of snow. Cloudy, with a low around 5. Breezy.
Sunday
A chance of snow. Cloudy, with a high near 12. Breezy.
Click Map For Forecast
Point Forecast:
7 Miles NNW Big Sky MT
 45.35°N 111.39°W (Elev. 10000 ft)
4:13 am MST Feb 18, 2019
5am MST Feb 18, 2019-6pm MST Feb 24, 2019
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database