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

18°F

-8°C

Humidity	68%
Wind Speed	NW 8 mph
Barometer	29.64 in
Dewpoint	9°F (-13°C)
Visibility	10.00 mi
Wind Chill	8°F (-13°C)
Last update	18 Feb 5:35 pm 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

This Afternoon
High: 22 °F
Slight Chance
Snow
Tonight
Low: 2 °F
Snow Likely
Thursday
High: 14 °F
Snow
Thursday Night
Low: 0 °F
Chance Snow
then Partly
Cloudy
Friday
High: 24 °F
Slight Chance
Snow
Friday Night
Low: 5 °F
Slight Chance
Snow then
Partly Cloudy
Saturday
High: 29 °F
Slight Chance
Snow
Saturday Night
Low: 7 °F
Mostly Clear
Sunday
High: 33 °F
Mostly Sunny

Detailed Forecast

This Afternoon

A 20 percent chance of snow. Mostly sunny, with a steady temperature around 22. North wind around 5 mph, with gusts as high as 16 mph.

Tonight

Snow likely, mainly after 11pm. Increasing clouds, with a low around 2. Northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 16 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Thursday

Snow. High near 14. Wind chill values as low as -2. Calm wind becoming northwest around 6 mph. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Thursday Night

A 50 percent chance of snow before 11pm. Mostly cloudy, with a low around 0. Calm wind. New snow accumulation of less than a half inch possible.

Friday

A 20 percent chance of snow after 11am. Mostly sunny, with a high near 24. Light west wind. Winds could gust as high as 15 mph.

Friday Night

A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 5. Calm wind.

Saturday

A 20 percent chance of snow after 11am. Mostly sunny, with a high near 29. Calm wind becoming northwest around 6 mph. Winds could gust as high as 20 mph.

Saturday Night

Mostly clear, with a low around 7. Light west wind.

Sunday

Mostly sunny, with a high near 33.

Sunday Night

Partly cloudy, with a low around 16.

Monday

Sunny, with a high near 48.

Monday Night

Partly cloudy, with a low around 28.

Tuesday

A chance of snow. Partly sunny, with a high near 46.