Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

WY28 - South Pass (KSOU)

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

25°F

-4°C

Humidity	84%
Wind Speed	WNW 22 MPH
Barometer	NA
Dewpoint	21°F (-6°C)
Visibility	1.24 mi
Wind Chill	10°F (-12°C)
Last update	07 Dec 09:12 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

Tonight
Low: 18 °F
Scattered
Snow Showers
and Blowing
Snow
Monday
High: 19 °F
Isolated Snow
Showers and
Areas Blowing
Snow
Monday Night
Low: 16 °F
Slight Chance
Snow Showers
and Very
Windy
Tuesday
High: 22 °F
Chance Snow
Showers and
Very Windy
Tuesday Night
Low: 21 °F
Snow Showers
Likely and
Very Windy
Wednesday
High: 26 °F
Snow Showers
Likely and
Very Windy
Wednesday Night
Low: 24 °F
Chance Snow
Showers and
Very Windy
Thursday
High: 25 °F
Chance Snow
Showers and
Very Windy
Thursday Night
Low: 21 °F
Chance Snow
Showers and
Windy

Detailed Forecast

Tonight

Scattered snow showers, mainly before 5am. Widespread blowing snow, mainly between 10pm and 11pm. Mostly cloudy, with a steady temperature around 18. Wind chill values as low as -5. Windy, with a west wind 30 to 32 mph, with gusts as high as 45 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.

Monday

Isolated snow showers before 8am. Areas of blowing snow. Partly sunny, with a high near 19. Wind chill values as low as -5. Windy, with a west wind 24 to 31 mph, with gusts as high as 44 mph. Chance of precipitation is 20%.

Monday Night

A 20 percent chance of snow showers. Mostly cloudy, with a low around 16. Wind chill values as low as -5. Very windy, with a west wind 31 to 41 mph, with gusts as high as 55 mph.

Tuesday

A 40 percent chance of snow showers. Mostly cloudy, with a high near 22. Wind chill values as low as zero. Very windy, with a west wind 33 to 41 mph, with gusts as high as 55 mph. New snow accumulation of less than a half inch possible.

Tuesday Night

Snow showers likely. Mostly cloudy, with a low around 21. Very windy, with a west wind 33 to 38 mph, with gusts as high as 50 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

Wednesday

Snow showers likely. Mostly cloudy, with a high near 26. Very windy, with a west wind 34 to 39 mph, with gusts as high as 60 mph. Chance of precipitation is 70%.

Wednesday Night

A 50 percent chance of snow showers. Mostly cloudy, with a low around 24. Very windy, with a west wind around 41 mph, with gusts as high as 60 mph.

Thursday

A 50 percent chance of snow showers. Mostly cloudy, with a high near 25. Very windy.

Thursday Night

A 30 percent chance of snow showers, mainly before 11pm. Mostly cloudy, with a low around 21. Windy.

Friday

Partly sunny, with a high near 24. Breezy.

Friday Night

Mostly cloudy, with a low around 19. Breezy.

Saturday

Mostly sunny, with a high near 25. Breezy.