Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. 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	71%
Wind Speed	W 16 MPH
Barometer	NA
Dewpoint	22°F (-6°C)
Visibility	1.24 mi
Wind Chill	19°F (-7°C)
Last update	08 Dec 01:42 PM MST

More Information:

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

Extended Forecast for

21 Miles WSW Lander/Hunt Field WY

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

Click here for hazard details and duration

Winter Weather Advisory

This Afternoon
High: 20 °F
Patchy
Blowing Snow
and Windy
Tonight
Low: 18 °F⇑
Scattered
Snow Showers
and Blowing
Snow
Tuesday
High: 25 °F
Scattered
Snow Showers
and Blowing
Snow
Tuesday Night
Low: 18 °F
Snow Showers
Likely and
Very Windy
Wednesday
High: 24 °F
Snow Showers
Likely and
Very Windy
Wednesday Night
Low: 22 °F
Very Windy.
Slight Chance
Snow Showers
then Mostly
Cloudy
Thursday
High: 23 °F
Slight Chance
Snow Showers
and Very
Windy
Thursday Night
Low: 20 °F
Mostly Cloudy
and Very
Windy
Friday
High: 22 °F
Partly Sunny
and Windy

Detailed Forecast

This Afternoon

Patchy blowing snow. Mostly cloudy, with a high near 20. Wind chill values as low as zero. Windy, with a west wind 28 to 31 mph, with gusts as high as 47 mph.

Tonight

Scattered snow showers, mainly after 4am. Widespread blowing snow, mainly after 8pm. Mostly cloudy, with a temperature rising to around 23 by 5am. Wind chill values as low as -5. Very windy, with a west wind 34 to 39 mph increasing to 43 to 48 mph after midnight. Winds could gust as high as 70 mph. Chance of precipitation is 30%.

Tuesday

Scattered snow showers. Widespread blowing snow. Mostly cloudy, with a high near 25. Wind chill values as low as zero. Very windy, with a west wind 39 to 48 mph, with gusts as high as 75 mph. Chance of precipitation is 50%. New snow accumulation of 1 to 2 inches possible.

Tuesday Night

Snow showers likely, mainly after 11pm. Mostly cloudy, with a low around 18. Wind chill values as low as -5. Very windy, with a west wind 32 to 40 mph, with gusts as high as 55 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

Wednesday

Snow showers likely, mainly before 11am. Partly sunny, with a high near 24. Very windy, with a west wind 41 to 44 mph, with gusts as high as 65 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

Wednesday Night

A 20 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 22. Very windy, with a west wind 45 to 48 mph, with gusts as high as 65 mph.

Thursday

A 20 percent chance of snow showers. Mostly sunny, with a high near 23. Very windy, with a west wind 39 to 44 mph decreasing to 33 to 38 mph in the afternoon. Winds could gust as high as 60 mph.

Thursday Night

Mostly cloudy, with a low around 20. Very windy.

Friday

Partly sunny, with a high near 22. Windy.

Friday Night

Mostly cloudy, with a low around 18. Windy.

Saturday

Mostly sunny, with a high near 23. Windy.

Saturday Night

Partly cloudy, with a low around 17. Breezy.

Sunday

Mostly sunny, with a high near 23. Breezy.