Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Hazardous Weather Conditions

Current conditions at

PORPHYRY (PHYM8)

Lat: 46.83821°NLon: 110.71813°WElev: 8232.0ft.

15°F

-9°C

Humidity	90%
Wind Speed	WNW 7 MPH
Barometer	NA
Dewpoint	13°F (-11°C)
Visibility	NA
Wind Chill	5°F (-15°C)
Last update	27 Dec 06:05 AM MST

More Information:

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

Extended Forecast for

7 Miles N Sand Point MT

Cold Weather Advisory December 27, 10:00am until December 27, 10:00pm

Winter Weather Advisory December 27, 07:03am until December 27, 02:00pm

Click here for hazard details and duration

Cold Weather Advisory

Winter Weather Advisory

Winter Weather Advisory December 27, 07:03am until December 27, 02:00pm
NOW until 2:00pm Sat
Winter Weather Advisory
Today
High: 11 °F⇓
Snow Likely
and Areas
Blowing Snow
then Chance
Snow
Tonight
Low: -9 °F
Slight Chance
Snow then
Mostly Clear
Sunday
High: 11 °F
Sunny
Sunday Night
Low: 9 °F
Mostly Clear
Monday
High: 24 °F
Mostly Sunny
Monday Night
Low: 20 °F
Mostly Cloudy
Tuesday
High: 30 °F
Partly Sunny
Tuesday Night
Low: 24 °F
Partly Cloudy

Detailed Forecast

Today

Snow likely, mainly before 11am. Areas of blowing snow before 11am. Partly sunny, with a temperature falling to around -6 by 5pm. Wind chill values as low as -30. Breezy, with a west wind 17 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. Total daytime snow accumulation of around an inch possible.

Tonight

A slight chance of snow between 7pm and 8pm. Partly cloudy, with a low around -9. Wind chill values as low as -30. West northwest wind around 17 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

Sunday

Sunny, with a high near 11. Wind chill values as low as -30. West wind around 16 mph, with gusts as high as 23 mph.

Sunday Night

Mostly clear, with a low around 9. Wind chill values as low as -10. West southwest wind 15 to 18 mph, with gusts as high as 26 mph.

Monday

Mostly sunny, with a high near 24. West southwest wind 14 to 18 mph, with gusts as high as 28 mph.

Monday Night

Mostly cloudy, with a low around 20. West southwest wind 16 to 18 mph, with gusts as high as 26 mph.

Tuesday

Partly sunny, with a high near 30. West southwest wind 13 to 17 mph, with gusts as high as 25 mph.

Tuesday Night

Partly cloudy, with a low around 24. West southwest wind around 16 mph, with gusts as high as 24 mph.