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

Sidney-Richland (KSDY)

Lat: 47.7°NLon: 104.2°WElev: 1985.0ft.

Overcast

14°F

-10°C

Humidity	78%
Wind Speed	WNW 6 MPH
Barometer	30.05 in (1017.61 mb)
Dewpoint	9°F (-13°C)
Visibility	10.00 mi
Wind Chill	5°F (-15°C)
Last update	07 Dec 03:20 PM MST

More Information:

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

Extended Forecast for

Lambert 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: 7 °F⇑
Mostly Cloudy
Monday
High: 38 °F
Breezy.
Patchy
Blowing Snow
then Partly
Sunny
Monday Night
Low: 28 °F⇑
Chance
Freezing Rain
then Chance
Rain
Tuesday
High: 43 °F
Windy. Chance
Rain then
Partly Sunny
Tuesday Night
Low: 7 °F
Partly Cloudy
and Blustery
then Partly
Cloudy
Wednesday
High: 26 °F
Chance Snow
Wednesday Night
Low: 3 °F
Snow Likely
then Chance
Snow
Thursday
High: 12 °F
Slight Chance
Snow
Thursday Night
Low: -15 °F
Mostly Cloudy

Detailed Forecast

Tonight

Mostly cloudy, with a temperature falling to near 7 by 8pm, then rising to around 29 during the remainder of the night. Wind chill values between zero and 5. Light and variable wind becoming west southwest 5 to 10 mph after midnight.

Monday

Patchy blowing snow before 10am. Partly sunny, with a high near 38. Breezy, with a west wind 16 to 22 mph, with gusts as high as 33 mph.

Monday Night

A chance of freezing rain between 11pm and midnight, then a chance of rain after midnight. Mostly cloudy, with a temperature falling to near 28 by 8pm, then rising to around 36 during the remainder of the night. Southwest wind 13 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 50%.

Tuesday

A 30 percent chance of rain before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 43. Windy, with a west northwest wind 23 to 33 mph, with gusts as high as 48 mph.

Tuesday Night

Partly cloudy, with a low around 7. Blustery, with a northwest wind 17 to 22 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 32 mph.

Wednesday

A 50 percent chance of snow, mainly after 11am. Mostly cloudy, with a high near 26. Light and variable wind becoming east southeast 6 to 11 mph in the morning. Winds could gust as high as 18 mph. New snow accumulation of less than one inch possible.

Wednesday Night

Snow likely, mainly before 11pm. Cloudy, with a low around 3. East southeast wind 10 to 13 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Thursday

A 20 percent chance of snow. Mostly cloudy, with a high near 12. Northwest wind 14 to 16 mph, with gusts as high as 24 mph.

Thursday Night

Mostly cloudy, with a low around -15. Northwest wind 9 to 13 mph, with gusts as high as 20 mph.

Friday

A 20 percent chance of snow after 11am. Mostly cloudy and cold, with a high near -2. Northwest wind 7 to 9 mph.

Friday Night

A 30 percent chance of snow. Mostly cloudy, with a low around -13. East southeast wind around 6 mph.

Saturday

A chance of snow. Mostly cloudy, with a high near 10.

Saturday Night

A slight chance of snow. Mostly cloudy, with a low around -5.