Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Mondell Field (KECS)

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

Overcast

32°F

0°C

Humidity	87%
Wind Speed	S 9 mph
Barometer	29.94 in
Dewpoint	28°F (-2°C)
Visibility	10.00 mi
Wind Chill	24°F (-4°C)
Last update	10 Dec 11:55 am MST

More Information:

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

Extended Forecast for

6 Miles WNW Newcastle WY

This Afternoon
High: 40 °F⇓
Rain/Snow
Likely
Tonight
Low: 35 °F⇑
Rain Likely
then Chance
Rain
Thursday
High: 52 °F
Slight Chance
Rain
Thursday Night
Low: 24 °F
Rain/Snow
Likely and
Blustery then
Chance Snow
Friday
High: 32 °F
Chance Snow
Friday Night
Low: 19 °F
Slight Chance
Snow then
Mostly Cloudy
Saturday
High: 34 °F
Slight Chance
Snow then
Partly Sunny
Saturday Night
Low: 16 °F
Partly Cloudy
Sunday
High: 48 °F
Sunny

Detailed Forecast

This Afternoon

Rain and snow likely, becoming all rain after 4pm. Cloudy, with a temperature falling to around 35 by 5pm. East wind 5 to 7 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Tonight

Rain likely, mainly before 8pm. Cloudy, then gradually becoming partly cloudy, with a temperature rising to around 40 by 2am. North wind 6 to 8 mph. Chance of precipitation is 70%.

Thursday

A 20 percent chance of rain after 11am. Partly sunny, with a high near 52. Northwest wind 9 to 16 mph, with gusts as high as 25 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 24. Blustery, with a northwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 28 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 32. Northwest wind around 6 mph becoming southeast in the afternoon. New snow accumulation of less than one inch possible.

Friday Night

A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 19. South wind around 7 mph becoming north after midnight.

Saturday

A 20 percent chance of snow before 11am. Partly sunny, with a high near 34. Northwest wind 6 to 9 mph, with gusts as high as 16 mph.

Saturday Night

Partly cloudy, with a low around 16. Southeast wind 5 to 7 mph.

Sunday

Sunny, with a high near 48.

Sunday Night

Mostly clear, with a low around 27.

Monday

Sunny, with a high near 48.