Prolonged Extreme Cold; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the Gulf Coast, upper Ohio Valley, Mid-Atlantic, and Southeast U.S. into this weekend. A rapidly deepening storm centered just off the North Carolina coast Friday night through Saturday night will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia. Read More >

Current conditions at

Sidney-Richland (KSDY)

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

light snow

19°F

-7°C

Humidity	85%
Wind Speed	ESE 4 MPH
Barometer	30.34 in (1027.43 mb)
Dewpoint	16°F (-9°C)
Visibility	9.00 mi
Wind Chill	13°F (-11°C)
Last update	29 Jan 09:20 PM MST

More Information:

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

Extended Forecast for

Sidney MT

Tonight
Low: 5 °F
Chance Snow
Friday
High: 24 °F
Becoming
Sunny
Friday Night
Low: 17 °F⇑
Chance Snow
then Chance
Wintry Mix
Saturday
High: 43 °F
Chance
Rain/Freezing
Rain then
Partly Sunny
Saturday Night
Low: 25 °F
Mostly Cloudy
Sunday
High: 35 °F
Mostly Cloudy
Sunday Night
Low: 21 °F
Mostly Cloudy
Monday
High: 41 °F
Mostly Cloudy
then Slight
Chance Rain
Monday Night
Low: 21 °F
Slight Chance
Wintry Mix

Detailed Forecast

Tonight

A 50 percent chance of snow, mainly before 2am. Cloudy, with a low around 5. Wind chill values between -5 and zero. East northeast wind 5 to 7 mph. Total nighttime snow accumulation of less than one inch possible.

Friday

Cloudy through mid morning, then gradual clearing, with a high near 24. Wind chill values between -5 and 5. South southeast wind 8 to 14 mph, with gusts as high as 21 mph.

Friday Night

A chance of snow between 11pm and 2am, then a chance of freezing rain after 2am. Increasing clouds, with a temperature falling to near 17 by 10pm, then rising to around 27 during the remainder of the night. South wind around 14 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

Saturday

A chance of freezing rain before 8am, then a chance of rain between 8am and 11am. Cloudy, then gradually becoming mostly sunny, with a high near 43. South southwest wind 11 to 18 mph becoming west northwest in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 50%.

Saturday Night

Mostly cloudy, with a low around 25. West northwest wind 10 to 16 mph, with gusts as high as 25 mph.

Sunday

Mostly cloudy, with a high near 35. Northwest wind 5 to 7 mph.

Sunday Night

Mostly cloudy, with a low around 21. Southeast wind 3 to 7 mph.

Monday

A 10 percent chance of rain after 5pm. Mostly cloudy, with a high near 41. South southeast wind 8 to 13 mph becoming west in the afternoon. Winds could gust as high as 18 mph.

Monday Night

A slight chance of rain or freezing rain before 11pm, then a slight chance of snow between 11pm and 2am, then a slight chance of freezing rain after 2am. Mostly cloudy, with a low around 21. West northwest wind around 10 mph. Chance of precipitation is 20%.

Tuesday

Partly sunny, with a high near 36. West northwest wind 9 to 11 mph.

Tuesday Night

Partly cloudy, with a low around 19. West northwest wind 6 to 9 mph.

Wednesday

Partly sunny, with a high near 37.

Wednesday Night

Mostly cloudy, with a low around 23.

Thursday

Mostly sunny, with a high near 46.