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	56%
Wind Speed	Calm
Barometer	29.74 in
Dewpoint	25°F (-4°C)
Visibility	10.00 mi
Last update	15 Apr 2:55 am MDT

More Information:

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

Extended Forecast for

4 Miles SSW Lead SD

Overnight
Low: 33 °F
Mostly Clear
Wednesday
High: 62 °F
Sunny
Wednesday Night
Low: 42 °F
Mostly Clear
Thursday
High: 60 °F
Mostly Sunny
then Showers
Likely
Thursday Night
Low: 17 °F
Rain/Snow
then Snow
Showers
Friday
High: 31 °F
Snow Showers
Likely
Friday Night
Low: 16 °F
Slight Chance
Snow Showers
then Partly
Cloudy
Saturday
High: 39 °F
Chance Snow
Showers
Saturday Night
Low: 22 °F
Mostly Clear

Detailed Forecast

Overnight

Mostly clear, with a steady temperature around 33. Calm wind.

Wednesday

Sunny, with a high near 62. Calm wind becoming southwest around 6 mph in the afternoon. Winds could gust as high as 18 mph.

Wednesday Night

Mostly clear, with a low around 42. Southwest wind 5 to 9 mph, with gusts as high as 29 mph.

Thursday

Showers likely after noon. Increasing clouds, with a high near 60. West wind 8 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 70%.

Thursday Night

Rain showers before 7pm, then rain and snow showers between 7pm and 8pm, then snow showers after 8pm. Low around 17. Northwest wind around 9 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Friday

Snow showers likely, mainly before noon. Mostly cloudy, with a high near 31. Northwest wind 8 to 11 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. 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 16. Northwest wind 6 to 10 mph, with gusts as high as 31 mph.

Saturday

A chance of snow showers. Mostly sunny, with a high near 39. Northwest wind 6 to 13 mph, with gusts as high as 33 mph.

Saturday Night

Mostly clear, with a low around 22.

Sunday

Sunny, with a high near 57.

Sunday Night

Mostly clear, with a low around 34.

Monday

Sunny, with a high near 66.