Major Winter Storm Moves Through the Mid-Atlantic; High Winds Coming to Southern California

A major winter storm will move from the Ohio Valley to the Mid-Atlantic today, continuing severe travel delays, with major impacts due to areas of heavy snow and some icing for portions of West Virginia, Maryland, Virginia, Washington D.C., and Delaware. High winds will impact much of southern California Tuesday into Wednesday possibly resulting in power outages and fire weather. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

MAMMOTH (YLAW4)

Lat: 44.977222°NLon: 110.695278°WElev: 6300.0ft.

27°F

-3°C

Humidity	78%
Wind Speed	N 4 MPH
Barometer	NA
Dewpoint	21°F (-6°C)
Visibility	NA
Wind Chill	22°F (-6°C)
Last update	06 Jan 02:15 PM MST

More Information:

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

Extended Forecast for

17 Miles SE Big Sky MT

This Afternoon
High: 27 °F
Isolated Snow
Showers
Tonight
Low: 13 °F
Scattered
Snow Showers
and Patchy
Fog
Tuesday
High: 26 °F
Isolated Snow
Showers and
Patchy Fog
then Sunny
Tuesday Night
Low: 7 °F
Mostly Clear
Wednesday
High: 26 °F
Chance Snow
Showers
Wednesday Night
Low: 10 °F
Chance Snow
Showers
Thursday
High: 27 °F
Mostly Sunny
Thursday Night
Low: 6 °F
Mostly Clear
Friday
High: 25 °F
Slight Chance
Snow Showers

Detailed Forecast

This Afternoon

Isolated snow showers before 3pm. Partly sunny, with a high near 27. North wind around 8 mph. Chance of precipitation is 20%.

Tonight

Scattered snow showers, mainly between 10pm and 3am. Patchy fog between 4am and 5am. Otherwise, mostly cloudy, with a low around 13. North northwest wind 3 to 6 mph. Chance of precipitation is 30%.

Tuesday

Isolated snow showers before 8am. Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 26. North northwest wind 5 to 7 mph. Chance of precipitation is 20%.

Tuesday Night

Mostly clear, with a low around 7. Wind chill values as low as zero. Calm wind becoming south around 6 mph after midnight.

Wednesday

A 30 percent chance of snow showers after 11am. Mostly cloudy, with a high near 26. South southwest wind 6 to 8 mph.

Wednesday Night

A 50 percent chance of snow showers. Mostly cloudy, with a low around 10. North northwest wind 3 to 5 mph.

Thursday

Mostly sunny, with a high near 27. North northwest wind 3 to 6 mph.

Thursday Night

Mostly clear, with a low around 6.

Friday

A 20 percent chance of snow showers after 11am. Partly sunny, with a high near 25.