Significant Winter Weather in the Southern and Eastern U.S.

A wintry mix is expected tonight from the Ohio Valley into the Mid-Atlantic and southern New England along a cold front. One or more waves of low pressure tracking east along this front will likely bring areas of heavy snow and significant ice from south Texas into the Carolinas Thursday night into Saturday morning. Read More >

Hazardous Weather Conditions

Winter Weather Advisory in effect from January 20, 01:00 PM MST until January 21, 10:00 AM MST

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Current conditions at

PORPHYRY (PHYM8)

Lat: 46.835278°NLon: 110.7175°WElev: 8232ft.

-11°C

13°F

Humidity	88%
Wind Speed	SW 9 MPH
Barometer	NA
Dewpoint	-12°C (10°F)
Visibility	NA
Wind Chill	-17°C (1°F)
Last update	20 Jan 02:05 AM MST

More Information:

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

Extended Forecast for

7 Miles SSE Neihart MT

Winter Weather Advisory January 20, 01:00pm until January 21, 10:00am

Click here for hazard details and duration

Winter Weather Advisory

Overnight

Slight Chance
Snow
Low: -14 °C
Thursday

Snow Likely
then Snow and
Breezy
High: -3 °C
Thursday
Night

Snow and
Breezy
Low: -7 °C
Friday

Snow then
Chance Snow
High: -4 °C
Friday
Night

Mostly Cloudy
Low: -10 °C
Saturday

Partly Sunny
High: -2 °C
Saturday
Night

Mostly Clear
Low: -7 °C
Sunday

Mostly Sunny
High: -1 °C
Sunday
Night

Chance Snow
Low: -8 °C

Detailed Forecast

Overnight

A 20 percent chance of snow after 4am. Mostly cloudy, with a low around -14. Wind chill values as low as -20. West southwest wind around 24 km/h, with gusts as high as 37 km/h.

Thursday

Snow, mainly after 10am. High near -3. Wind chill values as low as -20. Breezy, with a west southwest wind 26 to 31 km/h increasing to 34 to 39 km/h in the afternoon. Winds could gust as high as 55 km/h. Chance of precipitation is 100%. New snow accumulation of 5 to 9 centimeters possible.

Thursday Night

Snow. Low around -7. Breezy, with a west wind 37 to 42 km/h decreasing to 24 to 29 km/h after midnight. Winds could gust as high as 65 km/h. Chance of precipitation is 90%. New snow accumulation of 4 to 8 centimeters possible.

Friday

Snow, mainly before 10am. High near -4. Northwest wind 18 to 23 km/h, with gusts as high as 32 km/h. Chance of precipitation is 90%. New snow accumulation of 4 to 8 centimeters possible.

Friday Night

Mostly cloudy, with a low around -10. West southwest wind 16 to 23 km/h, with gusts as high as 34 km/h.

Saturday

Partly sunny, with a high near -2. West southwest wind 14 to 16 km/h, with gusts as high as 39 km/h.

Saturday Night

Mostly clear, with a low around -7. Southwest wind 11 to 13 km/h, with gusts as high as 34 km/h.

Sunday

Mostly sunny, with a high near -1. Southwest wind 13 to 18 km/h, with gusts as high as 50 km/h.

Sunday Night

A chance of snow after 11pm. Mostly cloudy, with a low around -8.

Monday

A chance of snow. Mostly cloudy, with a high near -5.