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

23°F

-5°C

Humidity	54%
Wind Speed	NW 9 mph
Barometer	29.60 in
Dewpoint	9°F (-13°C)
Visibility	10.00 mi
Wind Chill	13°F (-11°C)
Last update	18 Feb 4:15 pm MST

More Information:

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

Extended Forecast for

4 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: 29 °F
Mostly Sunny
Tonight
Low: 0 °F
Snow Likely
Thursday
High: 9 °F
Snow
Thursday Night
Low: 0 °F
Chance Snow
then Partly
Cloudy
Friday
High: 19 °F
Slight Chance
Snow
Friday Night
Low: 5 °F
Slight Chance
Snow then
Partly Cloudy
Saturday
High: 24 °F
Slight Chance
Snow
Saturday Night
Low: 6 °F
Mostly Clear
Sunday
High: 28 °F
Mostly Sunny

Detailed Forecast

This Afternoon

Mostly sunny, with a high near 29. Wind chill values as low as 6. North wind around 9 mph, with gusts as high as 20 mph.

Tonight

Snow likely, mainly after 11pm. Increasing clouds, with a low around 0. Wind chill values as low as -17. Northeast wind around 11 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Thursday

Snow. High near 9. Wind chill values as low as -16. Northwest wind 8 to 10 mph, with gusts as high as 21 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. Cloudy, then gradually becoming partly cloudy, with a low around 0. Wind chill values as low as -12. West wind 5 to 7 mph, with gusts as high as 15 mph. 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 19. West wind 3 to 6 mph. Winds could gust as high as 16 mph.

Friday Night

A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 5. Southwest wind around 6 mph.

Saturday

A 20 percent chance of snow after 11am. Mostly sunny, with a high near 24. Northwest wind 6 to 9 mph, with gusts as high as 22 mph.

Saturday Night

Mostly clear, with a low around 6. West wind 5 to 7 mph, with gusts as high as 15 mph.

Sunday

Mostly sunny, with a high near 28.

Sunday Night

Partly cloudy, with a low around 16.