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.

Fair

48°F

9°C

Humidity	54%
Wind Speed	Calm
Barometer	29.74 in
Dewpoint	32°F (0°C)
Visibility	10.00 mi
Last update	15 Apr 7:55 am MDT

More Information:

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

Extended Forecast for

3 Miles S Whitewood SD

Today
High: 65 °F
Sunny
Tonight
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
Sunday
High: 60 °F
Sunny

Detailed Forecast

Today

Sunny, with a high near 65. Southwest wind 5 to 7 mph becoming northeast in the afternoon. Winds could gust as high as 17 mph.

Tonight

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. Wind chill values as low as 14. 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 30 percent 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. Northwest wind 6 to 15 mph becoming southwest in the evening. Winds could gust as high as 30 mph.

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.