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 >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Spearfish / Clyde Ice (KSPF)

Lat: 44.48°NLon: 103.78°WElev: 3898ft.

Overcast

28°F

-2°C

Humidity	100%
Wind Speed	W 6 mph
Barometer	30.21 in
Dewpoint	28°F (-2°C)
Visibility	10.00 mi
Wind Chill	21°F (-6°C)
Last update	30 Jan 12:15 am MST

More Information:

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

Extended Forecast for

10 Miles SSE Colony WY

Overnight
Low: 17 °F
Slight Chance
Snow and
Patchy Fog
Friday
High: 27 °F
Chance Snow
and Areas Fog
Friday Night
Low: 14 °F⇑
Chance Snow
Saturday
High: 48 °F
Breezy.
Chance
Rain/Snow
then Mostly
Sunny
Saturday Night
Low: 28 °F
Mostly Clear
Sunday
High: 47 °F
Partly Sunny
Sunday Night
Low: 25 °F
Mostly Cloudy
Monday
High: 48 °F
Partly Sunny
Monday Night
Low: 28 °F
Slight Chance
Rain then
Slight Chance
Rain/Snow

Detailed Forecast

Overnight

A 20 percent chance of snow before 1am. Patchy fog. Otherwise, cloudy, with a low around 17. Light and variable wind.

Friday

A 40 percent chance of snow, mainly before 11am. Areas of fog before 11am. Otherwise, cloudy, with a high near 27. Wind chill values as low as 9. East wind 6 to 10 mph, with gusts as high as 16 mph. New snow accumulation of less than a half inch possible.

Friday Night

A 30 percent chance of snow, mainly after 5am. Mostly cloudy, with a temperature falling to near 14 by 10pm, then rising to around 24 during the remainder of the night. Wind chill values as low as 6. East wind around 6 mph becoming southwest after midnight.

Saturday

A chance of rain and snow before 9am, then a chance of rain between 9am and 11am. Cloudy through mid morning, then gradual clearing, with a high near 48. Wind chill values as low as 18 early. Breezy, with a west wind 9 to 14 mph increasing to 17 to 22 mph in the morning. Winds could gust as high as 34 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

Saturday Night

Mostly clear, with a low around 28. West wind 11 to 14 mph, with gusts as high as 23 mph.

Sunday

Partly sunny, with a high near 47. West wind 6 to 9 mph becoming south in the afternoon. Winds could gust as high as 15 mph.

Sunday Night

Mostly cloudy, with a low around 25. Southeast wind 3 to 5 mph.

Monday

Partly sunny, with a high near 48. Northwest wind 5 to 14 mph, with gusts as high as 22 mph.

Monday Night

A slight chance of rain before midnight, then a slight chance of rain and snow. Partly cloudy, with a low around 28.

Tuesday

A slight chance of snow, mixing with rain after 10am, then gradually ending. Partly sunny, with a high near 42. Breezy.