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

54°F

12°C

Humidity	58%
Wind Speed	N 14 G 21 mph
Barometer	29.68 in
Dewpoint	39°F (4°C)
Visibility	10.00 mi
Wind Chill	50°F (10°C)
Last update	16 Apr 3:55 pm MDT

More Information:

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

Extended Forecast for

4 Miles WSW Lead SD

This Afternoon
High: 52 °F
Showers
Likely
Tonight
Low: 17 °F
Rain/Snow
then Snow
Showers
Likely
Friday
High: 28 °F
Chance Snow
Showers
Friday Night
Low: 16 °F
Partly Cloudy
Saturday
High: 37 °F
Chance Snow
Showers
Saturday Night
Low: 24 °F
Mostly Clear
Sunday
High: 54 °F
Sunny
Sunday Night
Low: 34 °F
Mostly Clear
Monday
High: 64 °F
Mostly Sunny

Detailed Forecast

This Afternoon

Showers likely and possibly a thunderstorm. Cloudy, with a high near 52. North wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

Tonight

Rain and snow showers, becoming all snow after 8pm. Low around 17. Wind chill values as low as 4. Northwest wind 11 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Friday

A 30 percent chance of snow showers, mainly before noon. Mostly cloudy, with a high near 28. Wind chill values as low as 1. Northwest wind 15 to 17 mph, with gusts as high as 31 mph.

Friday Night

Partly cloudy, with a low around 16. Wind chill values as low as 2. West wind 13 to 18 mph, with gusts as high as 30 mph.

Saturday

A 40 percent chance of snow showers. Mostly sunny, with a high near 37. Northwest wind 15 to 17 mph, with gusts as high as 33 mph. New snow accumulation of less than a half inch possible.

Saturday Night

Mostly clear, with a low around 24. Northwest wind 7 to 15 mph becoming southwest after midnight. Winds could gust as high as 30 mph.

Sunday

Sunny, with a high near 54. Southwest wind 6 to 8 mph becoming south in the afternoon. Winds could gust as high as 18 mph.

Sunday Night

Mostly clear, with a low around 34. East wind 7 to 9 mph becoming southwest after midnight. Winds could gust as high as 18 mph.

Monday

Mostly sunny, with a high near 64.

Monday Night

Mostly clear, with a low around 39.

Tuesday

Sunny, with a high near 67.