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Deerfield, SD Weather Forecast
Deerfield, SD Weather Forecast Date: 1232 AM MDT Thu Sep 10 2026
The area/counties/county of: Northern Black Hills, including the cities of: Lead, Deadwood, Cheyenne Crossing, Brownsville, Terry Peak, Deerfield, Rochford, Mystic, Silver City, Galena, and Nemo.or toggle through each period.
Overnight... Clear. Lows in the lower 40s. West winds around 5 mph.
Thursday... Sunny. Highs around 80. West winds 5 to 10 mph. Gusts up to 20 mph in the afternoon.
Thursday Night... Partly cloudy. Lows in the mid 50s. Southwest winds 5 to 10 mph. Gusts up to 20 mph after midnight.
Friday... Mostly sunny. Highs in the mid 70s. Northwest winds 10 to 15 mph with gusts up to 30 mph.
Friday Night... Partly cloudy. A slight chance of rain showers and thunderstorms after midnight. Lows in the lower 40s. North winds 5 to 10 mph. Gusts up to 25 mph in the evening. Chance of rain 20%.
Saturday... Partly cloudy. Highs in the mid 60s.
Saturday Night... Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms in the evening. A chance of showers. Lows in the mid 40s. Chance of rain 50%.
Sunday... Becoming partly cloudy. A chance of showers. A slight chance of thunderstorms in the afternoon. Highs around 70. Chance of rain 40%.
Sunday Night... A slight chance of thunderstorms in the evening. Partly cloudy with a chance of rain showers. Lows in the upper 30s. Chance of rain 40%.
Monday... Partly cloudy in the morning, then clearing. Highs in the lower 60s.
Monday Night... Clear. Lows in the mid 30s.
Tuesday... Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 60s.
Tuesday Night... Mostly clear in the evening, then becoming partly cloudy. A 20% chance of rain showers. Lows in the lower 40s.
POP = Probability of Precipitation
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