Heavy Mountain Snow across Portions of the Rockies and Intermountain West; Mainly Tranquil Weather for the East

A storm will move across the Intermountain West and Rockies through Tuesday. Heavy snow is forecast for the higher terrain with rain for lower elevations. Meanwhile, large area of high pressure for the East will keep the weather tranquil with moderating temperatures. Later this week, a more significant storm is possible for the West, especially for northern California. Read More >

Hazardous Weather Conditions

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Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

43°F

6°C

Humidity	71%
Wind Speed	W 8 mph
Barometer	29.89 in
Dewpoint	34°F (1°C)
Visibility	10.00 mi
Wind Chill	38°F (3°C)
Last update	19 Oct 2:55 am MDT

More Information:

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

Extended Forecast for

4 Miles WSW Lead SD

Winter Weather Advisory October 19, 12:00pm until October 20, 06:00am

Click here for hazard details and duration

Winter Weather Advisory

Overnight

Mostly Cloudy
Low: 31 °F
Tuesday

Chance
Rain/Snow
then
Rain/Snow
High: 34 °F⇓
Tuesday
Night

Blustery.
Heavy Snow
then Snow
Likely
Low: 21 °F
Wednesday

Gradual
Clearing
High: 36 °F
Wednesday
Night

Partly Cloudy
Low: 23 °F
Thursday

Mostly Sunny
High: 43 °F
Thursday
Night

Partly Cloudy
Low: 29 °F
Friday

Sunny
High: 46 °F
Friday
Night

Partly Cloudy
Low: 31 °F

Detailed Forecast

Overnight

Mostly cloudy, with a low around 31. North wind 9 to 13 mph, with gusts as high as 20 mph.

Tuesday

A chance of rain and snow before 1pm, then snow. Temperature falling to around 30 by 10am. North wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Tuesday Night

Snow. The snow could be heavy at times. Low around 21. Blustery, with a north wind 14 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

Wednesday

Cloudy through mid morning, then gradual clearing, with a high near 36. Northwest wind 5 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

Wednesday Night

Partly cloudy, with a low around 23. Light south wind becoming southwest 5 to 9 mph in the evening.

Thursday

Mostly sunny, with a high near 43. Northwest wind 7 to 10 mph, with gusts as high as 21 mph.

Thursday Night

Partly cloudy, with a low around 29.

Friday

Sunny, with a high near 46.

Friday Night

Partly cloudy, with a low around 31.

Saturday

Mostly sunny, with a high near 45.