Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Hazardous Weather Conditions

Current conditions at

WY28 - South Pass (KSOU)

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

25°F

-4°C

Humidity	92%
Wind Speed	SW 21 MPH
Barometer	NA
Dewpoint	23°F (-5°C)
Visibility	1.24 mi
Wind Chill	10°F (-12°C)
Last update	09 Dec 04:12 AM 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, 05:00am until December 10, 05:00pm

Click here for hazard details and duration

Winter Weather Advisory

Overnight
Low: 24 °F
Slight Chance
Snow and
Blowing Snow
Tuesday
High: 26 °F
Chance Snow
and Blowing
Snow
Tuesday Night
Low: 21 °F
Chance Snow
and Very
Windy
Wednesday
High: 29 °F
Chance Snow
and Very
Windy
Wednesday Night
Low: 21 °F
Mostly Cloudy
and Very
Windy
Thursday
High: 27 °F
Mostly Sunny
and Very
Windy
Thursday Night
Low: 21 °F
Partly Cloudy
and Windy
Friday
High: 24 °F
Partly Sunny
and Windy
Friday Night
Low: 20 °F
Mostly Cloudy
and Windy

Detailed Forecast

Overnight

A 20 percent chance of snow. Widespread blowing snow. Mostly cloudy, with a steady temperature around 24. Very windy, with a west wind around 45 mph, with gusts as high as 60 mph.

Tuesday

A 40 percent chance of snow, mainly before 4pm. Widespread blowing snow, mainly before 8am. Partly sunny, with a high near 26. Very windy, with a west wind 42 to 47 mph decreasing to 34 to 39 mph in the afternoon. Winds could gust as high as 70 mph. New snow accumulation of less than one inch possible.

Tuesday Night

A 40 percent chance of snow, mainly after 1am. Mostly cloudy, with a low around 21. Very windy, with a west northwest wind 25 to 30 mph increasing to 31 to 36 mph after midnight. Winds could gust as high as 48 mph. New snow accumulation of less than one inch possible.

Wednesday

A 30 percent chance of snow, mainly before 10am. Mostly cloudy, with a high near 29. Very windy, with a west wind 34 to 40 mph, with gusts as high as 55 mph.

Wednesday Night

Mostly cloudy, with a low around 21. Very windy, with a west wind 37 to 40 mph, with gusts as high as 55 mph.

Thursday

Mostly sunny, with a high near 27. Very windy, with a west wind 29 to 37 mph, with gusts as high as 50 mph.

Thursday Night

Partly cloudy, with a low around 21. Windy, with a west wind 28 to 31 mph, with gusts as high as 44 mph.

Friday

Partly sunny, with a high near 24. Windy.

Friday Night

Mostly cloudy, with a low around 20. Windy.

Saturday

Mostly sunny, with a high near 25. Windy.