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

57°F

14°C

Humidity	55%
Wind Speed	NW 12 G 22 mph
Barometer	29.67 in
Dewpoint	41°F (5°C)
Visibility	10.00 mi
Last update	16 Apr 1:15 pm MDT

More Information:

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

Extended Forecast for

4 Miles SW North Spearfish SD

This Afternoon
High: 59 °F
Showers
Likely
Tonight
Low: 24 °F
Rain/Snow
then Snow
Showers
Likely
Friday
High: 34 °F
Chance Snow
Showers then
Partly Sunny
and Breezy
Friday Night
Low: 23 °F
Partly Cloudy
and Blustery
then Partly
Cloudy
Saturday
High: 43 °F
Chance Snow
Showers and
Breezy
Saturday Night
Low: 31 °F
Mostly Clear
Sunday
High: 59 °F
Sunny
Sunday Night
Low: 41 °F
Mostly Clear
Monday
High: 69 °F
Mostly Sunny

Detailed Forecast

This Afternoon

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 59. North wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.

Tonight

Rain and snow showers, becoming all snow after 8pm. Low around 24. Wind chill values as low as 16. Northwest wind 14 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Friday

A 30 percent chance of snow showers before noon. Mostly cloudy, with a high near 34. Wind chill values as low as 11. Breezy, with a northwest wind 14 to 21 mph, with gusts as high as 31 mph.

Friday Night

Partly cloudy, with a low around 23. Wind chill values as low as 12. Blustery, with a west wind 13 to 22 mph, with gusts as high as 30 mph.

Saturday

A 40 percent chance of snow showers. Mostly sunny, with a high near 43. Breezy, with a northwest wind 16 to 20 mph, with gusts as high as 31 mph. Little or no snow accumulation expected.

Saturday Night

Mostly clear, with a low around 31. Northwest wind 8 to 17 mph becoming southwest after midnight. Winds could gust as high as 26 mph.

Sunday

Sunny, with a high near 59. Southwest wind 6 to 9 mph becoming north in the afternoon. Winds could gust as high as 17 mph.

Sunday Night

Mostly clear, with a low around 41. East wind 8 to 13 mph becoming south after midnight.

Monday

Mostly sunny, with a high near 69.

Monday Night

Mostly clear, with a low around 46.

Tuesday

Sunny, with a high near 71.