Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Hazardous Weather Conditions

High Wind Watch in effect from December 8, 11:00 PM MST until December 9, 05:00 PM MST

Current conditions at

BIG SHEEP MOUNTAIN (LCFM8)

Lat: 47.02819°NLon: 105.80472°WElev: 3172.0ft.

22°F

-6°C

Humidity	88%
Wind Speed	ESE 5 MPH
Barometer	NA
Dewpoint	19°F (-7°C)
Visibility	NA
Wind Chill	15°F (-9°C)
Last update	07 Dec 08:08 PM MST

More Information:

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

Extended Forecast for

10 Miles NW Rock Springs MT

High Wind Watch December 8, 11:00pm until December 9, 05:00pm

Click here for hazard details and duration

High Wind Watch

Tonight
Low: 25 °F⇑
Mostly Cloudy
then Patchy
Blowing Snow
Monday
High: 40 °F
Patchy
Blowing Snow
and Breezy
then Mostly
Cloudy
Monday Night
Low: 32 °F
Chance Rain
and Breezy
Tuesday
High: 47 °F
Windy. Chance
Rain then
Partly Sunny
Tuesday Night
Low: 23 °F
Mostly Cloudy
Wednesday
High: 38 °F
Rain/Snow
Wednesday Night
Low: 11 °F
Rain/Snow
Likely then
Chance Snow
Thursday
High: 18 °F
Chance Snow
Thursday Night
Low: -5 °F
Chance Snow

Detailed Forecast

Tonight

Patchy blowing snow after 4am. Cloudy, then gradually becoming partly cloudy, with a temperature rising to around 34 by 4am. South southwest wind 10 to 17 mph, with gusts as high as 28 mph.

Monday

Patchy blowing snow before 10am. Increasing clouds, with a high near 40. Breezy, with a west wind 14 to 22 mph, with gusts as high as 33 mph.

Monday Night

A 50 percent chance of rain, mainly after 11pm. Cloudy, with a low around 32. Breezy, with a southwest wind 13 to 23 mph, with gusts as high as 33 mph.

Tuesday

A 30 percent chance of rain before 11am. Partly sunny, with a high near 47. Windy, with a west northwest wind 25 to 31 mph, with gusts as high as 46 mph.

Tuesday Night

Mostly cloudy, with a low around 23. West northwest wind 9 to 18 mph, with gusts as high as 28 mph.

Wednesday

Snow likely before 11am, then rain and snow between 11am and 2pm, then rain after 2pm. High near 38. South southeast wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Wednesday Night

Rain likely before 8pm, then rain and snow likely between 8pm and 11pm, then a chance of snow after 11pm. Mostly cloudy, with a low around 11. West southwest wind 14 to 17 mph becoming north northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Thursday

A 40 percent chance of snow. Mostly cloudy, with a high near 18. North northwest wind 14 to 16 mph, with gusts as high as 22 mph.

Thursday Night

A 30 percent chance of snow. Mostly cloudy, with a low around -5. North wind 10 to 13 mph, with gusts as high as 18 mph.

Friday

A 40 percent chance of snow. Mostly cloudy, with a high near 6. North wind 8 to 10 mph becoming east in the afternoon.

Friday Night

A 40 percent chance of snow. Cloudy, with a low around -2. East southeast wind 8 to 10 mph.

Saturday

A chance of snow. Mostly cloudy, with a high near 18.

Saturday Night

A slight chance of snow. Mostly cloudy, with a low around 4.