Sinlaku Continues to Impact the Marianas; Severe Weather for the Central Plains and Northeast; Record Warmth for mid-Atlantic to Southeast

Sinlaku continues to affect the Marianas as it moves north through Friday. Meanwhile, severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley today and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Spearfish / Clyde Ice (KSPF)

Lat: 44.48°NLon: 103.78°WElev: 3898ft.

Fair

66°F

19°C

Humidity	30%
Wind Speed	W 20 G 25 mph
Barometer	29.62 in
Dewpoint	34°F (1°C)
Visibility	10.00 mi
Last update	16 Apr 10:15 am MDT

More Information:

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

Extended Forecast for

4 Miles WSW Lead SD

Today
High: 56 °F
Mostly Sunny
then
Rain/Snow
Tonight
Low: 18 °F
Snow Showers
Friday
High: 30 °F
Snow Showers
Likely
Friday Night
Low: 17 °F
Slight Chance
Snow Showers
then Mostly
Clear
Saturday
High: 38 °F
Chance Snow
Showers
Saturday Night
Low: 25 °F
Mostly Clear
Sunday
High: 53 °F
Sunny
Sunday Night
Low: 34 °F
Mostly Clear
Monday
High: 64 °F
Sunny

Detailed Forecast

Today

Rain showers likely before 5pm, then snow showers. Some thunder is also possible. High near 56. West wind 11 to 16 mph becoming north in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Tonight

Snow showers. Low around 18. Wind chill values as low as 4. Northwest wind 13 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Friday

Snow showers likely, mainly before noon. Mostly cloudy, with a high near 30. Wind chill values as low as 3. Northwest wind 15 to 17 mph, with gusts as high as 32 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 17. Wind chill values as low as 4. West wind 11 to 17 mph, with gusts as high as 31 mph.

Saturday

A 40 percent chance of snow showers. Mostly sunny, with a high near 38. Northwest wind 14 to 17 mph, with gusts as high as 33 mph. Little or no snow accumulation expected.

Saturday Night

Mostly clear, with a low around 25. Northwest wind 8 to 15 mph becoming southwest after midnight. Winds could gust as high as 30 mph.

Sunday

Sunny, with a high near 53. Southwest wind 6 to 8 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

Sunday Night

Mostly clear, with a low around 34. Southwest wind around 8 mph, with gusts as high as 20 mph.

Monday

Sunny, with a high near 64.

Monday Night

Partly cloudy, with a low around 40.

Tuesday

A slight chance of showers. Sunny, with a high near 67.