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City of Spearfish, SDSpearfish, SD 7-Day Night Weather Forecast
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Spearfish, SD Weather Forecast
Spearfish, SD Weather Forecast Date: 557 AM MDT Wed Sep 16 2026
The area/counties/county of: Northern Foothills, including the cities of: Spearfish, Whitewood, and Saint Onge.or toggle through each period.
Today... Partly cloudy this morning, then clearing. Highs in the lower 80s. Southeast winds 10 to 15 mph with gusts up to 30 mph, becoming north 5 to 10 mph with gusts up to 20 mph this afternoon.
Tonight... Mostly clear in the evening, then becoming mostly cloudy. Lows in the upper 40s. Northwest winds 5 to 10 mph. Gusts up to 20 mph in the evening.
Thursday... Mostly cloudy. A slight chance of showers in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. Breezy with highs around 70. East winds 10 to 15 mph, increasing to 15 to 25 mph in the afternoon. Gusts up to 35 mph. Chance of rain 70%.
Thursday Night... Mostly cloudy. Showers likely with a slight chance of thunderstorms in the evening, then a chance of showers after midnight. Lows in the mid 50s. East winds 10 to 20 mph with gusts up to 30 mph, diminishing to 5 to 10 mph with gusts up to 20 mph after midnight. Chance of rain 70%.
Friday... Partly cloudy. A slight chance of showers in the afternoon. Highs in the mid 70s. East winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Chance of rain 20%.
Friday Night... Partly cloudy with showers likely with a chance of thunderstorms in the evening, then mostly cloudy with showers with a slight chance of thunderstorms after midnight. Lows in the mid 50s. Chance of rain 80%.
Saturday... Showers likely in the morning, then showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of rain 80%.
Saturday Night... Showers with a chance of thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the lower 50s. Chance of rain 80%.
Sunday... Showers likely. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of rain 70%.
Sunday Night... Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the upper 40s. Chance of rain 50%.
Monday... Partly cloudy in the morning, then clearing. A 30% chance of showers. Highs in the lower 70s.
Monday Night... Mostly clear. Lows in the upper 40s.
POP = Probability of Precipitation
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