Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

A Few Clouds

64°F

18°C

Humidity	30%
Wind Speed	N 7 G 13 mph
Barometer	29.71 in
Dewpoint	32°F (0°C)
Visibility	10.00 mi
Last update	15 Apr 2:35 pm MDT

More Information:

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

Extended Forecast for

4 Miles SW North Spearfish SD

This Afternoon
High: 64 °F
Sunny
Tonight
Low: 55 °F
Partly Cloudy
then Partly
Cloudy and
Breezy
Thursday
High: 59 °F
Mostly Sunny
and Breezy
then Chance
Showers
Thursday Night
Low: 24 °F
Snow Showers
Friday
High: 35 °F
Chance Snow
Showers and
Breezy
Friday Night
Low: 23 °F
Slight Chance
Snow Showers
and Blustery
Saturday
High: 43 °F
Chance Snow
Showers
Saturday Night
Low: 31 °F
Mostly Clear
Sunday
High: 60 °F
Sunny

Detailed Forecast

This Afternoon

Sunny, with a high near 64. Calm wind becoming southwest around 6 mph.

Tonight

Partly cloudy, with a steady temperature around 55. Breezy, with a southwest wind 7 to 12 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 34 mph.

Thursday

A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Increasing clouds, with a high near 59. Breezy, with a southwest wind 20 to 25 mph becoming north 14 to 19 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 50%.

Thursday Night

Snow showers. Low around 24. Wind chill values as low as 14. Northwest wind 15 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Friday

A 50 percent chance of snow showers. Mostly cloudy, with a high near 35. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.

Friday Night

A 20 percent chance of snow showers. Partly cloudy, with a low around 23. Blustery, with a west wind 11 to 20 mph, with gusts as high as 29 mph.

Saturday

A 40 percent chance of snow showers. Mostly sunny, with a high near 43. Northwest wind 14 to 18 mph, with gusts as high as 30 mph.

Saturday Night

Mostly clear, with a low around 31. Northwest wind 8 to 17 mph becoming southwest after midnight. Winds could gust as high as 26 mph.

Sunday

Sunny, with a high near 60.

Sunday Night

Mostly clear, with a low around 41.

Monday

Sunny, with a high near 68.