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	N 13 G 20 mph
Barometer	29.67 in
Dewpoint	41°F (5°C)
Visibility	10.00 mi
Last update	16 Apr 12:55 pm MDT

More Information:

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

Extended Forecast for

9 Miles SW North Spearfish SD

This Afternoon
High: 59 °F
Showers
Likely
Tonight
Low: 19 °F
Rain/Snow
then Snow
Showers
Likely
Friday
High: 32 °F
Chance Snow
Showers
Friday Night
Low: 19 °F
Partly Cloudy
Saturday
High: 41 °F
Chance Snow
Showers
Saturday Night
Low: 27 °F
Mostly Clear
Sunday
High: 58 °F
Sunny
Sunday Night
Low: 38 °F
Mostly Clear
Monday
High: 67 °F
Sunny

Detailed Forecast

This Afternoon

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Cloudy, with a high near 59. North wind 8 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

Tonight

Rain and snow showers, becoming all snow after 8pm. Low around 19. Wind chill values as low as 11. North wind 8 to 10 mph, with gusts as high as 24 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 32. Wind chill values as low as 9. Northwest wind 8 to 13 mph, with gusts as high as 30 mph.

Friday Night

Partly cloudy, with a low around 19. Wind chill values as low as 10. West wind 6 to 13 mph, with gusts as high as 30 mph.

Saturday

A 40 percent chance of snow showers. Mostly sunny, with a high near 41. Northwest wind 9 to 11 mph, with gusts as high as 30 mph. Little or no snow accumulation expected.

Saturday Night

Mostly clear, with a low around 27. Northwest wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 26 mph.

Sunday

Sunny, with a high near 58. Southwest wind around 6 mph becoming light and variable. Winds could gust as high as 17 mph.

Sunday Night

Mostly clear, with a low around 38. Northeast wind around 6 mph becoming south after midnight. Winds could gust as high as 17 mph.

Monday

Sunny, with a high near 67.

Monday Night

Mostly clear, with a low around 42.

Tuesday

Sunny, with a high near 70.