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Today Hourly 7 days 30 days May
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May 2026 Weather | Sioux Falls, South Dakota

Today 5/16
Stormy Weather
Day 82°
Night 55°
87
Sun 5/17
Stormy Weather
Day 77°
Night 50°
96
Mon 5/18
Rainy Weather
Day 57°
Night 43°
94
Tue 5/19
Cloudy Weather
Day 54°
Night 37°
25
Wed 5/20
Cloudy Weather
Day 66°
Night 45°
11
Thu 5/21
Cloudy Weather
Day 70°
Night 54°
13
Fri 5/22
Cloudy Weather
Day 70°
Night 54°
55
Sat 5/23
Cloudy Weather
Day 73°
Night 55°
25
Sun 5/24
Cloudy Weather
Day 81°
Night 54°
1
Mon 5/25
Cloudy Weather
Day 77°
Night 55°
30
Tue 5/26
Sunny Weather
Day 82°
Night 61°
0
Wed 5/27
Cloudy Weather
Day 84°
Night 59°
9
Thu 5/28
Cloudy Weather
Day 86°
Night 61°
3
Fri 5/29
Cloudy Weather
Day 81°
Night 52°
20
Sat 5/30
Cloudy Weather
Day 77°
Night 61°
25
Sun 5/31
Rainy Weather
Day 70°
Night 59°
1

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