National Weather Service United States Department of Commerce

Strong winds in the Great Lakes and Ohio Valley

A developing storm system in the Upper Midwest will move through the Great Lakes into Canada on Monday. Winds will be gusty and strong around this system and extend from the Great Lakes to the Ohio and Tennessee Valleys. The strongest winds will be around Lake Ontario and Lake Erie, with gusts up to 60 mph in parts of Michigan, Ohio and Upstate New York where High Wind Warnings are in effect.
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Hazardous Weather Conditions

Current Conditions

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Spearfish SD

7 Day Forecast

For More Weather Information:

Rapid City, SD Local Forecast Office

Overnight

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

Low: 24 °F

Monday

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

High: 34 °F

Monday
Night

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

Low: 24 °F

Tuesday

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

High: 36 °F

Tuesday
Night

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

Low: 27 °F

Wednesday

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

High: 31 °F

Wednesday
Night

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

Low: 20 °F

Thanksgiving
Day

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 29 °F

Thursday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 23 °F

Detailed Forecast

  • Overnight A slight chance of snow before 1am, then a chance of snow after 4am. Mostly cloudy, with a low around 24. West wind 10 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
  • Monday Snow showers likely, mainly after 8am. Mostly cloudy, with a high near 34. Northwest wind 10 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
  • Monday Night A 40 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 24. Northwest wind 10 to 14 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
  • Tuesday Snow showers likely. Cloudy, with a high near 36. Breezy, with a southwest wind 11 to 16 mph becoming northwest 20 to 25 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 60%.
  • Tuesday Night A 50 percent chance of snow showers. Mostly cloudy, with a low around 27. West wind 7 to 13 mph.
  • Wednesday A 50 percent chance of snow showers. Cloudy, with a high near 31. West wind around 5 mph becoming light and variable in the morning.
  • Wednesday Night A 50 percent chance of snow showers. Cloudy, with a low around 20.
  • Thanksgiving Day A 20 percent chance of snow showers. Mostly cloudy, with a high near 29.
  • Thursday Night A 20 percent chance of snow showers. Mostly cloudy, with a low around 23.
  • Friday Partly sunny, with a high near 32.
  • Friday Night Mostly cloudy, with a low around 11.
  • Saturday Partly sunny, with a high near 21.
  • Saturday Night Mostly cloudy, with a low around 11.
  • Sunday Partly sunny, with a high near 25.