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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: 849 PM MDT Sat Aug 01 2026
The area/counties/county of: Northern Foothills, including the cities of: Spearfish, Whitewood, and Saint Onge.or toggle through each period.
Rest of Tonight... Mostly clear. Lows in the mid 70s. South winds 10 to 15 mph. Gusts up to 30 mph.
Sunday... Mostly sunny. Highs in the upper 90s. Northwest winds 10 to 15 mph with gusts up to 30 mph.
Sunday Night... Partly cloudy in the evening, then clearing. Areas of smoke after midnight. Lows in the mid 60s. East winds 5 to 10 mph, becoming west with gusts up to 20 mph after midnight.
Monday... Areas of smoke in the morning. Mostly sunny. Breezy with highs in the lower 80s. Northwest winds 15 to 25 mph with gusts up to 35 mph.
Monday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 50s. Northwest winds 10 to 15 mph with gusts up to 30 mph, becoming west around 5 mph after midnight.
Tuesday... Partly cloudy. Highs in the mid 70s.
Tuesday Night... Mostly clear. A chance of showers with a slight chance of thunderstorms after midnight. Lows in the lower 50s. Chance of rain 30%.
Wednesday... Partly cloudy in the morning, then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20%.
Wednesday Night... Mostly clear. Lows in the upper 50s.
Thursday... Mostly sunny. Highs in the lower 90s.
Thursday Night... Clear. Lows in the mid 60s.
Friday... Sunny. Highs in the mid 90s.
Friday Night... Mostly clear. Lows in the mid 60s.
POP = Probability of Precipitation
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