Critical Fire Weather in the High Plains and Midwest; Heavy Snow in the Western Mountains and Northern Plains

Gusty winds and low relative humidity will bring critical fire weather to the central/southern High Plains and portions of the Midwest. Two Pacific storms will continue to bring heavy mountain snow and gusty winds to the western U.S. through Thursday. A swath of wintry weather, including heavy snow and a wintry mix, is expected from the Northern Plains to New England. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

28°F

-2°C

Humidity	51%
Wind Speed	W 9 mph
Barometer	29.58 in
Dewpoint	12°F (-11°C)
Visibility	10.00 mi
Wind Chill	19°F (-7°C)
Last update	18 Feb 9:35 am MST

More Information:

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

Extended Forecast for

6 Miles WSW Lead SD

Winter Weather Advisory February 18, 11:00pm until February 19, 05:00pm

Click here for hazard details and duration

Winter Weather Advisory

Today
High: 37 °F⇓
Mostly Sunny
Tonight
Low: 3 °F
Snow Likely
Thursday
High: 15 °F
Snow Likely
Thursday Night
Low: -1 °F
Chance Snow
then Partly
Cloudy
Friday
High: 26 °F
Chance Snow
Friday Night
Low: 8 °F
Slight Chance
Snow
Saturday
High: 28 °F
Slight Chance
Snow
Saturday Night
Low: 6 °F
Mostly Clear
Sunday
High: 32 °F
Mostly Sunny

Detailed Forecast

Today

Mostly sunny, with a temperature rising to near 37 by noon, then falling to around 24 during the remainder of the day. Wind chill values as low as 18. Light and variable wind becoming west around 6 mph in the morning. Winds could gust as high as 17 mph.

Tonight

Snow likely, mainly after 11pm. Mostly cloudy, with a low around 3. Light and variable wind. Winds could gust as high as 16 mph. Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.

Thursday

Snow likely. Mostly cloudy, with a high near 15. Wind chill values as low as -3. Calm wind becoming northwest around 6 mph. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

Thursday Night

A 40 percent chance of snow before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around -1. Calm wind. New snow accumulation of less than a half inch possible.

Friday

A 30 percent chance of snow, mainly after 11am. Mostly sunny, with a high near 26. Light and variable wind. Winds could gust as high as 16 mph.

Friday Night

A 20 percent chance of snow. Mostly cloudy, with a low around 8. Calm wind.

Saturday

A 20 percent chance of snow. Mostly sunny, with a high near 28. Calm wind becoming northwest around 6 mph. Winds could gust as high as 20 mph.

Saturday Night

Mostly clear, with a low around 6. Calm wind.

Sunday

Mostly sunny, with a high near 32.

Sunday Night

Partly cloudy, with a low around 14.