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

Sheridan County Airport (KSHR)

Lat: 44.76031°NLon: 106.97411°WElev: 3970.0ft.

Clear

30°F

-1°C

Humidity	86%
Wind Speed	SW 8 MPH
Barometer	30.08 in (1018.63 mb)
Dewpoint	27°F (-3°C)
Visibility	10.00 mi
Wind Chill	22°F (-6°C)
Last update	09 Dec 09:30 PM MST

More Information:

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

Extended Forecast for

14 Miles SW Story WY

Winter Weather Advisory December 9, 09:57pm until December 10, 05:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory December 9, 09:57pm until December 10, 05:00pm
NOW until 5:00pm Wed
Winter Weather Advisory
Tonight
Low: 11 °F
Blustery.
Patchy
Blowing Snow
then
Scattered
Snow Showers
Wednesday
High: 31 °F
Heavy Snow
and Blowing
Snow
Wednesday Night
Low: 25 °F
Slight Chance
Snow Showers
and Breezy
Thursday
High: 31 °F
Chance Snow
Showers and
Breezy
Thursday Night
Low: 18 °F
Snow Showers
Likely and
Breezy
Friday
High: 25 °F
Chance Snow
Showers and
Breezy
Friday Night
Low: 15 °F
Slight Chance
Snow Showers
and Breezy
Saturday
High: 23 °F
Slight Chance
Snow Showers
and Breezy
then Mostly
Sunny

Detailed Forecast

Tonight

Scattered snow showers, mainly after 3am. Patchy blowing snow before 11pm. Mostly cloudy, with a low around 11. Wind chill values as low as -5. Blustery, with a west southwest wind 18 to 23 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of 1 to 3 inches possible.

Wednesday

Snow showers likely, mainly before 1pm. The snow could be heavy at times. Widespread blowing snow, mainly between 11am and 2pm. Cloudy, with a high near 31. Windy, with a west wind 16 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. New snow accumulation of 7 to 11 inches possible.

Wednesday Night

A 20 percent chance of snow showers. Mostly cloudy, with a low around 25. Breezy, with a west wind 18 to 22 mph, with gusts as high as 32 mph.

Thursday

A 30 percent chance of snow showers after 11am. Partly sunny, with a high near 31. Breezy, with a west wind around 21 mph, with gusts as high as 30 mph.

Thursday Night

Snow showers likely. Mostly cloudy, with a low around 18. Breezy, with a west wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

Friday

A 50 percent chance of snow showers, mainly before 11am. Mostly cloudy, with a high near 25. Breezy, with a west wind 10 to 15 mph, with gusts as high as 23 mph.

Friday Night

A 20 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 15. Breezy, with a west wind 15 to 18 mph, with gusts as high as 26 mph.

Saturday

A 20 percent chance of snow showers before 11am. Partly sunny, with a high near 23. Breezy.

Saturday Night

Partly cloudy, with a low around 15.

Sunday

Mostly sunny, with a high near 34.

Sunday Night

Partly cloudy, with a low around 19.

Monday

Mostly sunny, with a high near 30.

Monday Night

Partly cloudy, with a low around 20.