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	65%
Wind Speed	Calm
Barometer	29.74 in
Dewpoint	28°F (-2°C)
Visibility	10.00 mi
Last update	15 Apr 1:35 am MDT

More Information:

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

Extended Forecast for

3 Miles S Whitewood SD

Overnight
Low: 39 °F
Mostly Clear
Wednesday
High: 65 °F
Sunny
Wednesday Night
Low: 49 °F
Mostly Clear
then Partly
Cloudy and
Breezy
Thursday
High: 62 °F
Mostly Sunny
and Breezy
then Showers
Likely
Thursday Night
Low: 25 °F
Blustery.
Rain/Snow
then Snow
Showers
Friday
High: 35 °F
Snow Showers
Likely and
Breezy
Friday Night
Low: 23 °F
Slight Chance
Snow Showers
and Blustery
then Partly
Cloudy
Saturday
High: 42 °F
Chance Snow
Showers and
Breezy
Saturday Night
Low: 29 °F
Mostly Clear

Detailed Forecast

Overnight

Mostly clear, with a low around 39. Southwest wind 7 to 9 mph.

Wednesday

Sunny, with a high near 65. Southwest wind 5 to 9 mph becoming northeast in the afternoon. Winds could gust as high as 17 mph.

Wednesday Night

Mostly clear, with a low around 49. Breezy, with a southwest wind 8 to 13 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 28 mph.

Thursday

Showers likely after noon. Increasing clouds, with a high near 62. Breezy, with a northwest wind 17 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 60%.

Thursday Night

Rain showers before 8pm, then rain and snow showers between 8pm and 9pm, then snow showers after 9pm. Low around 25. Blustery, with a northwest wind 18 to 24 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

Friday

Snow showers likely, mainly before noon. Mostly cloudy, with a high near 35. Breezy, with a northwest wind 22 to 26 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Friday Night

A 20 percent chance of snow showers before midnight. Partly cloudy, with a low around 23. Blustery, with a northwest wind 14 to 22 mph, with gusts as high as 33 mph.

Saturday

A chance of snow showers, mainly after noon. Mostly sunny, with a high near 42. Breezy, with a northwest wind 17 to 22 mph, with gusts as high as 36 mph.

Saturday Night

Mostly clear, with a low around 29.

Sunday

Sunny, with a high near 60.

Sunday Night

Mostly clear, with a low around 40.

Monday

Sunny, with a high near 70.

Monday Night

Mostly clear, with a low around 46.

Tuesday

Sunny, with a high near 69.