Thursday
Showers
High:
81°F
Showers likely, then showers and possibly a thunderstorm after noon. High near 81. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 80%.
Spearfish, SD Weather - Extended Forecast
Thursday Night
Slight chance of thunderstorms
Overnight low:
63°F
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 63. East wind around 6 mph becoming light and variable after midnight.
Friday
Sunny
High:
96°F
Sunny, with a high near 96.
Friday Night
Mostly clear
Overnight low:
73°F
Mostly clear, with a low around 73.
Saturday
Hot
High:
100°F
Saturday Night
Slight chance of thunderstorms
Overnight low:
74°F
Sunday
Sunny
High:
97°F
Sunday Night
Slight chance of thunderstorms
Overnight low:
71°F
Monday
Mostly sunny
High:
96°F