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

46°F

8°C

Humidity	62%
Wind Speed	S 12 mph
Barometer	29.79 in
Dewpoint	34°F (1°C)
Visibility	10.00 mi
Wind Chill	40°F (4°C)
Last update	14 Apr 7:35 pm MDT

More Information:

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

Extended Forecast for

3 Miles WSW Lead SD

Tonight
Low: 35 °F
Scattered
Rain/Snow
then Mostly
Clear
Wednesday
High: 58 °F
Sunny
Wednesday Night
Low: 43 °F
Mostly Clear
Thursday
High: 56 °F
Mostly Sunny
then Showers
Likely
Thursday Night
Low: 20 °F
Rain/Snow
then Snow
Showers
Friday
High: 28 °F
Snow Showers
Likely
Friday Night
Low: 17 °F
Slight Chance
Snow Showers
then Partly
Cloudy
Saturday
High: 35 °F
Chance Snow
Showers
Saturday Night
Low: 23 °F
Mostly Clear

Detailed Forecast

Tonight

Scattered rain and snow showers before 8pm. Mostly clear, with a low around 35. Southwest wind 5 to 8 mph, with gusts as high as 16 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

Wednesday

Sunny, with a high near 58. Southwest wind 6 to 8 mph, with gusts as high as 18 mph.

Wednesday Night

Mostly clear, with a low around 43. Southwest wind 7 to 17 mph, with gusts as high as 31 mph.

Thursday

Showers likely after noon. Increasing clouds, with a high near 56. Southwest wind 11 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 70%.

Thursday Night

Rain showers before 8pm, then snow showers. Low around 20. Northwest wind 13 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Friday

Snow showers likely. Mostly cloudy, with a high near 28. Northwest wind 14 to 17 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. 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 17. Northwest wind 15 to 18 mph, with gusts as high as 34 mph.

Saturday

A chance of snow showers. Mostly sunny, with a high near 35. Northwest wind 14 to 18 mph, with gusts as high as 33 mph.

Saturday Night

Mostly clear, with a low around 23.

Sunday

Sunny, with a high near 54.

Sunday Night

Mostly clear, with a low around 33.

Monday

Sunny, with a high near 64.