Significant and Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

The atmospheric river over the Pacific Northwest will begin to subside today, but lingering rainfall will exacerbate ongoing catastrophic major river flooding, and landslides will continue across portions of western Washington and northwest Oregon for several days. Arctic air will plummet southward into the Northern Plains today, bringing cold air in the single digits to the region by Friday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

WY28 - South Pass (KSOU)

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

34°F

1°C

Humidity	72%
Wind Speed	W 27 MPH
Barometer	NA
Dewpoint	26°F (-3°C)
Visibility	1.24 mi
Wind Chill	21°F (-6°C)
Last update	11 Dec 05:26 AM MST

More Information:

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

Extended Forecast for

15 Miles NW South Pass City WY

Today
High: 35 °F⇓
Mostly Sunny
and Very
Windy
Tonight
Low: 20 °F
Partly Cloudy
and Windy
Friday
High: 23 °F
Partly Sunny
and Windy
Friday Night
Low: 17 °F
Mostly Cloudy
and Very
Windy
Saturday
High: 25 °F
Mostly Sunny
and Windy
Saturday Night
Low: 20 °F
Mostly Cloudy
and Breezy
Sunday
High: 27 °F
Mostly Sunny
and Breezy
Sunday Night
Low: 18 °F
Partly Cloudy
and Blustery
Monday
High: 26 °F
Mostly Sunny
and Blustery

Detailed Forecast

Today

Mostly sunny, with a temperature rising to near 35 by 10am, then falling to around 20 during the remainder of the day. Very windy, with a west wind 36 to 41 mph decreasing to 28 to 33 mph in the afternoon. Winds could gust as high as 60 mph.

Tonight

Partly cloudy, with a low around 20. Windy, with a west wind 26 to 29 mph, with gusts as high as 44 mph.

Friday

Partly sunny, with a high near 23. Windy, with a west wind 23 to 28 mph, with gusts as high as 41 mph.

Friday Night

Mostly cloudy, with a low around 17. Wind chill values as low as -5. Very windy, with a west wind 31 to 37 mph, with gusts as high as 55 mph.

Saturday

Mostly sunny, with a high near 25. Windy, with a west wind 25 to 30 mph decreasing to 17 to 22 mph in the afternoon. Winds could gust as high as 45 mph.

Saturday Night

Mostly cloudy, with a low around 20. Breezy, with a west wind 18 to 22 mph, with gusts as high as 33 mph.

Sunday

Mostly sunny, with a high near 27. Breezy, with a west wind 14 to 20 mph, with gusts as high as 30 mph.

Sunday Night

Partly cloudy, with a low around 18. Blustery.

Monday

Mostly sunny, with a high near 26. Blustery.

Monday Night

Mostly cloudy, with a low around 20. Windy.

Tuesday

A slight chance of snow. Partly sunny, with a high near 22. Windy.