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Today Hourly 7 days 30 days May
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May 2026 Weather | Rapid City, South Dakota

Today 5/20
Partly Sunny with Showers
Day 68°
Night 45°
90
Thu 5/21
Stormy Weather
Day 66°
Night 45°
60
Fri 5/22
Rainy Weather
Day 63°
Night 43°
67
Sat 5/23
Cloudy Weather
Day 72°
Night 46°
25
Sun 5/24
Cloudy Weather
Day 82°
Night 55°
6
Mon 5/25
Cloudy Weather
Day 88°
Night 61°
8
Tue 5/26
Cloudy Weather
Day 84°
Night 59°
10
Wed 5/27
Rainy Weather
Day 70°
Night 54°
60
Thu 5/28
Sunny with a Chance of Thunderstorms
Day 73°
Night 55°
80
Fri 5/29
Sunny with a Chance of Thunderstorms
Day 79°
Night 54°
74
Sat 5/30
Cloudy Weather
Day 79°
Night 57°
55
Sun 5/31
Cloudy Weather
Day 79°
Night 57°
1

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