Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains Thursday night, crossing the Midwest and reaching the Gulf Coast Friday night. Confidence continues to increase for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Current conditions at

Sidney-Richland (KSDY)

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

light snow,mist

19°F

-7°C

Humidity	85%
Wind Speed	SE 5 MPH
Barometer	30.19 in (1022.35 mb)
Dewpoint	16°F (-9°C)
Visibility	2.50 mi
Wind Chill	12°F (-11°C)
Last update	28 Jan 09:35 PM MST

More Information:

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

Extended Forecast for

Sidney MT

Tonight
Low: 11 °F
Chance Snow
Thursday
High: 22 °F
Chance Snow
Thursday Night
Low: 5 °F
Chance Snow
Friday
High: 19 °F
Decreasing
Clouds
Friday Night
Low: 12 °F
Slight Chance
Snow then
Wintry Mix
Likely
Saturday
High: 42 °F
Rain/Freezing
Rain Likely
then Slight
Chance Rain
Saturday Night
Low: 25 °F
Mostly Cloudy
Sunday
High: 36 °F
Partly Sunny
Sunday Night
Low: 18 °F
Mostly Cloudy

Detailed Forecast

Tonight

A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 11. Northeast wind 3 to 7 mph. Total nighttime snow accumulation of less than one inch possible.

Thursday

A 30 percent chance of snow, mainly after 11am. Mostly cloudy, with a high near 22. Light northeast wind. New snow accumulation of less than a half inch possible.

Thursday Night

A 40 percent chance of snow. Cloudy, with a low around 5. Wind chill values between -5 and zero. East wind 5 to 8 mph. New snow accumulation of less than a half inch possible.

Friday

Mostly cloudy, then gradually becoming sunny, with a high near 19. Wind chill values between -10 and zero. Southeast wind 9 to 14 mph, with gusts as high as 22 mph.

Friday Night

A slight chance of snow between 11pm and 2am, then freezing rain likely. Mostly cloudy, with a low around 12. South wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Saturday

Freezing rain likely before 8am, then rain likely. Mostly cloudy, with a high near 42. South wind 11 to 17 mph becoming west in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 60%.

Saturday Night

Mostly cloudy, with a low around 25. West northwest wind 10 to 14 mph, with gusts as high as 23 mph.

Sunday

Partly sunny, with a high near 36. West northwest wind 6 to 8 mph.

Sunday Night

Mostly cloudy, with a low around 18. South southeast wind 3 to 6 mph.

Monday

Mostly cloudy, with a high near 37. South wind 6 to 10 mph.

Monday Night

Mostly cloudy, with a low around 21. West southwest wind around 8 mph.

Tuesday

Partly sunny, with a high near 36.