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

Hazardous Weather Outlook

Current conditions at

Mondell Field (KECS)

Lat: 43.89°NLon: 104.32°WElev: 4173ft.

Mostly Cloudy

30°F

-1°C

Humidity	86%
Wind Speed	N 9 mph
Barometer	30.12 in
Dewpoint	27°F (-3°C)
Visibility	10.00 mi
Wind Chill	22°F (-6°C)
Last update	10 Dec 1:15 am MST

More Information:

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

Extended Forecast for

6 Miles WNW Newcastle WY

Overnight
Low: 24 °F
Mostly Cloudy
Wednesday
High: 40 °F
Chance Snow
then Chance
Rain/Snow
Wednesday Night
Low: 35 °F⇑
Chance Rain
Thursday
High: 53 °F
Slight Chance
Rain
Thursday Night
Low: 23 °F
Rain/Snow
Likely then
Chance Snow
Friday
High: 31 °F
Chance Snow
Friday Night
Low: 15 °F
Chance Snow
Saturday
High: 29 °F
Slight Chance
Snow then
Mostly Sunny
Saturday Night
Low: 13 °F
Partly Cloudy

Detailed Forecast

Overnight

Mostly cloudy, with a low around 24. North wind 8 to 13 mph, with gusts as high as 26 mph.

Wednesday

A chance of snow before 3pm, then a chance of rain and snow between 3pm and 4pm, then a chance of rain after 4pm. Cloudy, with a high near 40. Wind chill values as low as 18. Light and variable wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 40%. Little or no snow accumulation expected.

Wednesday Night

A 30 percent chance of rain, mainly before 11pm. Mostly cloudy, with a temperature rising to around 41 by 5am. North wind 6 to 9 mph becoming northwest after midnight. Winds could gust as high as 17 mph.

Thursday

A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 53. West wind 8 to 14 mph, with gusts as high as 22 mph.

Thursday Night

Rain likely before 9pm, then rain and snow likely between 9pm and 10pm, then snow likely after 10pm. Cloudy, with a low around 23. Northwest wind 11 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Friday

A 50 percent chance of snow. Cloudy, with a high near 31. Northwest wind around 7 mph becoming southeast in the afternoon. New snow accumulation of less than one inch possible.

Friday Night

A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 15. South wind around 8 mph becoming north after midnight.

Saturday

A slight chance of snow before 11am. Partly sunny, with a high near 29. Northwest wind around 8 mph, with gusts as high as 15 mph.

Saturday Night

Partly cloudy, with a low around 13.

Sunday

Mostly sunny, with a high near 44.

Sunday Night

Partly cloudy, with a low around 25.

Monday

Mostly sunny, with a high near 45.