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	75%
Wind Speed	S 10 mph
Barometer	29.77 in
Dewpoint	32°F (0°C)
Visibility	10.00 mi
Wind Chill	32°F (0°C)
Last update	14 Apr 10:55 pm MDT

More Information:

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

Extended Forecast for

4 Miles SSW Lead SD

Tonight
Low: 33 °F
Mostly Clear
Wednesday
High: 62 °F
Sunny
Wednesday Night
Low: 41 °F
Mostly Clear
Thursday
High: 60 °F
Mostly Sunny
then Showers
Likely
Thursday Night
Low: 19 °F
Rain/Snow
then Snow
Showers
Friday
High: 31 °F
Snow Showers
Friday Night
Low: 16 °F
Slight Chance
Snow Showers
then Partly
Cloudy
Saturday
High: 37 °F
Chance Snow
Showers
Saturday Night
Low: 22 °F
Mostly Clear

Detailed Forecast

Tonight

Mostly clear, with a low 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 41. Southwest wind 5 to 10 mph, with gusts as high as 28 mph.

Thursday

Showers likely after noon. Increasing clouds, with a high near 60. Southwest wind 8 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 70%.

Thursday Night

Rain showers before 8pm, then rain and snow showers between 8pm and 9pm, then snow showers after 9pm. Low around 19. Northwest wind around 9 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

Friday

Snow showers. High near 31. Northwest wind 9 to 11 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

Friday Night

A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 16. Northwest wind 10 to 14 mph, with gusts as high as 34 mph.

Saturday

A chance of snow showers. Mostly sunny, with a high near 37. Northwest wind 10 to 14 mph, with gusts as high as 33 mph.

Saturday Night

Mostly clear, with a low around 22.

Sunday

Sunny, with a high near 56.

Sunday Night

Mostly clear, with a low around 32.

Monday

Sunny, with a high near 66.