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 >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

39°F

4°C

Humidity	61%
Wind Speed	SW 6 mph
Barometer	29.74 in
Dewpoint	27°F (-3°C)
Visibility	10.00 mi
Wind Chill	35°F (2°C)
Last update	15 Apr 2:15 am MDT

More Information:

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

Extended Forecast for

Spearfish SD

Overnight
Low: 41 °F
Mostly Clear
Wednesday
High: 70 °F
Sunny
Wednesday Night
Low: 50 °F
Mostly Clear
Thursday
High: 65 °F
Mostly Sunny
then Showers
Likely
Thursday Night
Low: 26 °F
Rain/Snow
then Snow
Showers
Friday
High: 38 °F
Snow Showers
Likely and
Breezy
Friday Night
Low: 23 °F
Slight Chance
Snow Showers
then Partly
Cloudy
Saturday
High: 46 °F
Slight Chance
Snow Showers
then Chance
Rain/Snow and
Breezy
Saturday Night
Low: 31 °F
Mostly Clear

Detailed Forecast

Overnight

Mostly clear, with a low around 41. South wind around 6 mph.

Wednesday

Sunny, with a high near 70. Light and variable wind becoming southeast 5 to 7 mph in the morning. Winds could gust as high as 15 mph.

Wednesday Night

Mostly clear, with a low around 50. South wind 6 to 16 mph, with gusts as high as 29 mph.

Thursday

Showers likely after noon. Increasing clouds, with a high near 65. West wind 14 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 60%.

Thursday Night

Rain showers before 9pm, then rain and snow showers between 9pm and 10pm, then snow showers after 10pm. Low around 26. Northwest wind 13 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

Friday

Snow showers likely, mainly before noon. Mostly cloudy, with a high near 38. Breezy, with a northwest wind 13 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Friday Night

A 20 percent chance of snow showers before midnight. Partly cloudy, with a low around 23. Northwest wind 8 to 17 mph, with gusts as high as 30 mph.

Saturday

A chance of snow showers before 5pm, then a chance of rain and snow showers. Mostly sunny, with a high near 46. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 33 mph.

Saturday Night

Mostly clear, with a low around 31.

Sunday

Sunny, with a high near 64.

Sunday Night

Mostly clear, with a low around 41.

Monday

Sunny, with a high near 73.

Monday Night

Mostly clear, with a low around 46.

Tuesday

Sunny, with a high near 74.