Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Hazardous Weather Conditions

Current conditions at

WY28 - South Pass (KSOU)

Lat: 42.47752°NLon: 108.8444°WElev: 8196.0ft.

30°F

-1°C

Humidity	99%
Wind Speed	E 6 MPH
Barometer	NA
Dewpoint	30°F (-1°C)
Visibility	1.24 mi
Wind Chill	24°F (-4°C)
Last update	09 Dec 11:42 PM MST

More Information:

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

Extended Forecast for

19 Miles NW South Pass City WY

Winter Weather Advisory December 9, 11:46pm until December 10, 05:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory December 9, 11:46pm until December 10, 05:00pm
NOW until 5:00pm Wed
Winter Weather Advisory
Tonight
Low: 21 °F
Scattered
Snow Showers
and Blowing
Snow
Wednesday
High: 32 °F
Scattered
Snow Showers
and Areas
Blowing Snow
Wednesday Night
Low: 24 °F
Partly Cloudy
and Windy
Thursday
High: 29 °F
Mostly Sunny
and Windy
Thursday Night
Low: 23 °F
Partly Cloudy
and Windy
Friday
High: 27 °F
Mostly Sunny
and Breezy
Friday Night
Low: 21 °F
Partly Cloudy
and Windy
Saturday
High: 28 °F
Mostly Sunny
and Windy

Detailed Forecast

Tonight

Scattered snow showers. Widespread blowing snow, mainly after 2am. Mostly cloudy, with a low around 21. Windy, with a west wind 25 to 34 mph, with gusts as high as 48 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of around an inch possible.

Wednesday

Scattered snow showers, mainly before 3pm. Areas of blowing snow. Partly sunny, with a high near 32. Very windy, with a west wind 34 to 39 mph, with gusts as high as 55 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

Wednesday Night

Partly cloudy, with a low around 24. Windy, with a west wind 31 to 34 mph, with gusts as high as 50 mph.

Thursday

Mostly sunny, with a high near 29. Windy, with a west wind 25 to 33 mph, with gusts as high as 50 mph.

Thursday Night

Partly cloudy, with a low around 23. Windy, with a west wind around 25 mph, with gusts as high as 38 mph.

Friday

Mostly sunny, with a high near 27. Breezy, with a west wind 21 to 24 mph, with gusts as high as 37 mph.

Friday Night

Partly cloudy, with a low around 21. Windy, with a west wind 24 to 29 mph, with gusts as high as 44 mph.

Saturday

Mostly sunny, with a high near 28. Windy.