Arctic Front Brings Winter Weather and Colder Temperatures to the Eastern U.S.

A series of cold fronts will bring heavy lake effect snow to the northern Great Lakes. The fronts will merge over the Ohio Valley and bring colder temperatures east of the Mississippi River later today into the end of the week. Additionally, wintry weather will develop over the Ohio Valley, Appalachians, and Northeast as rain switches over to snow tonight into Thursday morning. Read More >

Hazardous Weather Conditions

High Wind Watch in effect from January 15, 05:00 PM MST until January 16, 05:00 PM MST

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

41°F

5°C

Humidity	61%
Wind Speed	Calm
Barometer	30.14 in
Dewpoint	28°F (-2°C)
Visibility	10.00 mi
Last update	14 Jan 5:15 pm MST

More Information:

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

Extended Forecast for

2 Miles SW Lead SD

High Wind Watch January 15, 05:00pm until January 16, 05:00pm

Click here for hazard details and duration

High Wind Watch

Tonight
Low: 34 °F
Mostly Clear
Thursday
High: 35 °F⇓
Slight Chance
Snow and
Breezy
Thursday Night
Low: 12 °F
Snow Likely
and Windy
Friday
High: 13 °F
Chance Snow
and Patchy
Blowing Snow
Friday Night
Low: 5 °F
Chance Snow
and Blustery
Saturday
High: 28 °F
Mostly Sunny
Saturday Night
Low: 17 °F
Partly Cloudy
Sunday
High: 33 °F
Mostly Sunny
Sunday Night
Low: 14 °F
Mostly Cloudy

Detailed Forecast

Tonight

Mostly clear, with a low around 34. West wind 6 to 14 mph, with gusts as high as 29 mph.

Thursday

A 20 percent chance of snow after 11am. Increasing clouds, with a temperature rising to near 35 by 11am, then falling to around 24 during the remainder of the day. Wind chill values as low as 9. Breezy, with a northwest wind 13 to 20 mph, with gusts as high as 28 mph.

Thursday Night

Snow likely, mainly after 11pm. Mostly cloudy, with a low around 12. Wind chill values as low as -8. Windy, with a northwest wind 22 to 31 mph, with gusts as high as 55 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

Friday

A 40 percent chance of snow, mainly before 11am. Patchy blowing snow before 11am. Mostly cloudy, with a steady temperature around 13. Wind chill values as low as -10. Windy, with a northwest wind 22 to 30 mph, with gusts as high as 55 mph. New snow accumulation of less than one inch possible.

Friday Night

A 40 percent chance of snow. Mostly cloudy, with a low around 5. Blustery, with a northwest wind 18 to 20 mph, with gusts as high as 45 mph. New snow accumulation of less than a half inch possible.

Saturday

Mostly sunny, with a high near 28. Northwest wind 9 to 16 mph, with gusts as high as 41 mph.

Saturday Night

Partly cloudy, with a low around 17. West wind 10 to 18 mph, with gusts as high as 43 mph.

Sunday

Mostly sunny, with a high near 33. Northwest wind 14 to 18 mph, with gusts as high as 44 mph.

Sunday Night

Mostly cloudy, with a low around 14.

M.L.King Day

Partly sunny, with a high near 27.

Monday Night

Partly cloudy, with a low around 17.