Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Hazardous Weather Conditions

Winter Weather Advisory until January 31, 02:00 PM MST

Current conditions at

Sidney-Richland (KSDY)

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

Overcast

25°F

-4°C

Humidity	85%
Wind Speed	S 16 MPH
Barometer	30.03 in (1016.93 mb)
Dewpoint	21°F (-6°C)
Visibility	10.00 mi
Wind Chill	12°F (-11°C)
Last update	31 Jan 02:20 AM MST

More Information:

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

Extended Forecast for

Sidney MT

Winter Weather Advisory January 31, 02:31am until January 31, 02:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory January 31, 02:31am until January 31, 02:00pm
NOW until 2:00pm Sat
Winter Weather Advisory
Overnight
Low: 17 °F
Freezing Rain
Likely
Saturday
High: 43 °F
Chance
Rain/Freezing
Rain then
Mostly Sunny
and Breezy
Saturday Night
Low: 24 °F
Partly Cloudy
Sunday
High: 35 °F
Mostly Cloudy
Sunday Night
Low: 21 °F
Mostly Cloudy
Monday
High: 37 °F
Chance Snow
Monday Night
Low: 19 °F
Mostly Cloudy
Tuesday
High: 38 °F
Partly Sunny

Detailed Forecast

Overnight

Freezing rain likely, mainly before 3am. Cloudy, with a low around 17. South southwest wind around 15 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. Total nighttime ice accumulation of less than a 0.1 of an inch possible.

Saturday

A chance of rain or freezing rain before 8am, then a chance of rain between 8am and noon. Cloudy through mid morning, then gradual clearing, with a high near 43. Breezy, with a southwest wind 16 to 22 mph becoming west northwest in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 40%.

Saturday Night

Partly cloudy, with a low around 24. West northwest wind 8 to 16 mph, with gusts as high as 30 mph.

Sunday

Mostly cloudy, with a high near 35. West northwest wind 5 to 7 mph becoming light and variable in the afternoon.

Sunday Night

Mostly cloudy, with a low around 21. East southeast wind around 6 mph.

Monday

A 30 percent chance of snow, mainly after 11am. Partly sunny, with a high near 37. South southeast wind 6 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph. Little or no snow accumulation expected.

Monday Night

Mostly cloudy, with a low around 19. Northwest wind 5 to 9 mph.

Tuesday

Partly sunny, with a high near 38. West northwest wind 3 to 8 mph.

Tuesday Night

Partly cloudy, with a low around 21. West northwest wind around 6 mph.

Wednesday

Partly sunny, with a high near 44. Southwest wind 3 to 8 mph.

Wednesday Night

Mostly cloudy, with a low around 30. West wind 8 to 10 mph.

Thursday

Mostly sunny, with a high near 47.