Sioux Falls, South Dakota

Hourly Forecast
Updated:   2026-05-16 @ 7:43 pm
There is a regional alert

Time Temp (feels)   Conditions Precip Humidity Wind

Saturday May 16

8:00 PM 77° F Mostly Cloudy   5%   19%   E 10 mph

9:00 PM 75° F Mostly Cloudy   5%   21%   E 15 mph

10:00 PM 72° F Mostly Cloudy   6%   27%   E 15 mph

11:00 PM 69° F Partly Cloudy   7%   30%   E 15 mph

Sunday May 17

12:00 AM 68° F Mostly Cloudy   14%   33%   E 15 mph

1:00 AM 66° F Slight Chance Rain Showers   20%   43%   E 15 mph

2:00 AM 65° F Chance Rain Showers   41%   48%   E 15 mph

3:00 AM 63° F Rain Showers Likely   61%   54%   E 15 mph

4:00 AM 61° F Showers And Thunderstorms   82%   62%   E 20 mph

5:00 AM 61° F Showers And Thunderstorms Likely   74%   67%   E 20 mph

6:00 AM 60° F Showers And Thunderstorms Likely   67%   75%   E 20 mph

7:00 AM 58° F Showers And Thunderstorms Likely   60%   87%   ESE 20 mph

8:00 AM 60° F Chance Showers And Thunderstorms   41%   90%   ESE 20 mph

9:00 AM 62° F Chance Showers And Thunderstorms   33%   90%   ESE 20 mph

10:00 AM 66° F Chance Showers And Thunderstorms   25%   81%   SE 15 mph

11:00 AM 69° F Slight Chance Showers And Thunderstorms   22%   78%   SE 20 mph

12:00 PM 73° F Slight Chance Showers And Thunderstorms   19%   66%   SE 15 mph

1:00 PM 77° F Slight Chance Showers And Thunderstorms   16%   58%   SE 15 mph

2:00 PM 80° F Slight Chance Showers And Thunderstorms   19%   54%   SE 15 mph

3:00 PM 82° F Slight Chance Showers And Thunderstorms   22%   51%   SE 15 mph

4:00 PM 84° F Chance Showers And Thunderstorms   25%   48%   SSE 15 mph

5:00 PM 82° F Chance Showers And Thunderstorms   39%   53%   SSE 15 mph

6:00 PM 79° F Chance Showers And Thunderstorms   54%   58%   SSE 15 mph

7:00 PM 76° F Showers And Thunderstorms Likely   68%   64%   N 15 mph

8:00 PM 72° F Showers And Thunderstorms Likely   63%   71%   N 10 mph

9:00 PM 68° F Showers And Thunderstorms Likely   57%   78%   NNW 10 mph

10:00 PM 65° F Chance Showers And Thunderstorms   52%   84%   NNW 10 mph

11:00 PM 63° F Chance Showers And Thunderstorms   41%   87%   NNW 10 mph

Monday May 18

12:00 AM 61° F Chance Showers And Thunderstorms   42%   87%   NNW 10 mph

1:00 AM 59° F Chance Showers And Thunderstorms   43%   87%   NNW 10 mph

2:00 AM 58° F Chance Showers And Thunderstorms   43%   87%   NNW 10 mph

3:00 AM 56° F Chance Showers And Thunderstorms   43%   90%   NNW 15 mph

4:00 AM 55° F Chance Rain Showers   43%   86%   NNW 15 mph

5:00 AM 53° F Chance Rain Showers   43%   89%   N 15 mph

6:00 AM 51° F Chance Rain Showers   43%   89%   N 15 mph

7:00 AM 51° F Chance Rain Showers   31%   89%   NNW 15 mph

8:00 AM 50° F (45° F) Chance Rain Showers   31%   93%   N 15 mph

9:00 AM 51° F Chance Rain Showers   31%   89%   N 15 mph

10:00 AM 54° F Chance Rain Showers   31%   80%   N 15 mph

11:00 AM 56° F Chance Rain Showers   31%   74%   N 15 mph

12:00 PM 57° F Chance Rain Showers   31%   72%   N 15 mph

1:00 PM 58° F Showers And Thunderstorms Likely   55%   69%   N 15 mph

2:00 PM 59° F Showers And Thunderstorms Likely   55%   67%   N 15 mph

3:00 PM 59° F Showers And Thunderstorms Likely   55%   69%   NNE 15 mph

4:00 PM 59° F Rain Showers Likely   55%   69%   NNE 15 mph

5:00 PM 59° F Rain Showers Likely   55%   69%   NNE 15 mph

6:00 PM 59° F Rain Showers Likely   55%   69%   N 15 mph

7:00 PM 58° F Showers And Thunderstorms   79%   72%   N 15 mph

8:00 PM 57° F Showers And Thunderstorms   79%   75%   N 15 mph

9:00 PM 55° F Showers And Thunderstorms   79%   77%   N 15 mph

10:00 PM 54° F Showers And Thunderstorms   79%   80%   N 15 mph

11:00 PM 53° F Showers And Thunderstorms   79%   80%   N 15 mph

Tuesday May 19

12:00 AM 51° F Showers And Thunderstorms   79%   86%   N 15 mph

1:00 AM 50° F (45° F) Chance Showers And Thunderstorms   50%   86%   NNW 15 mph

2:00 AM 49° F (44° F) Chance Showers And Thunderstorms   50%   86%   NNW 15 mph

3:00 AM 48° F (41° F) Chance Showers And Thunderstorms   50%   89%   NNW 20 mph

4:00 AM 47° F (40° F) Chance Rain Showers   50%   89%   NW 20 mph

5:00 AM 46° F (39° F) Chance Rain Showers   50%   89%   NW 20 mph

6:00 AM 44° F (36° F) Chance Rain Showers   50%   93%   NW 20 mph

7:00 AM 44° F (36° F) Cloudy   3%   89%   NW 20 mph

8:00 AM 45° F (38° F) Mostly Cloudy   3%   86%   NW 20 mph

9:00 AM 46° F (39° F) Mostly Cloudy   3%   79%   NW 20 mph

10:00 AM 48° F (41° F) Mostly Cloudy   3%   74%   NW 20 mph

11:00 AM 49° F (43° F) Mostly Cloudy   3%   71%   NW 20 mph

12:00 PM 50° F (44° F) Mostly Cloudy   3%   66%   NW 20 mph

1:00 PM 51° F Mostly Cloudy   0%   63%   NW 20 mph

2:00 PM 52° F Mostly Cloudy   0%   61%   NW 15 mph

3:00 PM 53° F Mostly Cloudy   0%   57%   NW 15 mph

4:00 PM 53° F Mostly Cloudy   0%   57%   NW 15 mph

5:00 PM 54° F Mostly Cloudy   0%   55%   NW 15 mph

6:00 PM 54° F Mostly Cloudy   0%   52%   NW 15 mph

7:00 PM 54° F Mostly Cloudy   0%   52%   NW 15 mph

8:00 PM 53° F Mostly Cloudy   0%   54%   NW 10 mph

9:00 PM 52° F Mostly Cloudy   0%   56%   NNW 10 mph

10:00 PM 50° F (49° F) Mostly Cloudy   0%   61%   NNW 5 mph

11:00 PM 48° F (46° F) Mostly Cloudy   0%   65%   NNW 5 mph

Wednesday May 20

12:00 AM 46° F (44° F) Mostly Cloudy   0%   71%   NNW 5 mph

1:00 AM 44° F (42° F) Partly Cloudy   0%   76%   NNW 5 mph

2:00 AM 42° F (62° F) Partly Cloudy   0%   82%   0 mph

3:00 AM 40° F (61° F) Partly Cloudy   0%   85%   0 mph

4:00 AM 39° F (60° F) Partly Cloudy   0%   89%   0 mph

5:00 AM 38° F (60° F) Partly Cloudy   0%   92%   0 mph

6:00 AM 38° F (60° F) Mostly Sunny   0%   92%   0 mph

7:00 AM 39° F (60° F) Mostly Sunny   0%   89%   0 mph

8:00 AM 42° F (39° F) Mostly Sunny   0%   79%   NNW 5 mph

9:00 AM 47° F (45° F) Mostly Sunny   0%   68%   N 5 mph

10:00 AM 51° F Mostly Sunny   0%   59%   N 5 mph

11:00 AM 54° F Mostly Sunny   0%   52%   N 5 mph

12:00 PM 56° F Mostly Sunny   0%   47%   N 5 mph

1:00 PM 58° F Mostly Sunny   0%   44%   N 5 mph

2:00 PM 60° F Mostly Sunny   0%   41%   N 5 mph

3:00 PM 61° F Mostly Sunny   0%   39%   NE 5 mph

4:00 PM 62° F Mostly Sunny   0%   38%   ENE 5 mph

5:00 PM 63° F Mostly Sunny   0%   36%   E 5 mph

6:00 PM 63° F Partly Cloudy   0%   38%   ESE 5 mph

7:00 PM 62° F Partly Cloudy   2%   39%   ESE 5 mph

8:00 PM 59° F Partly Cloudy   2%   45%   ESE 5 mph

9:00 PM 56° F Partly Cloudy   2%   53%   SE 5 mph

10:00 PM 53° F Partly Cloudy   2%   59%   SE 5 mph

11:00 PM 51° F Partly Cloudy   2%   63%   SE 5 mph

Thursday May 21

12:00 AM 49° F (48° F) Partly Cloudy   2%   66%   SE 5 mph

1:00 AM 48° F (46° F) Partly Cloudy   8%   68%   SE 5 mph

2:00 AM 46° F (44° F) Partly Cloudy   8%   73%   SE 5 mph

3:00 AM 45° F (43° F) Partly Cloudy   8%   76%   SE 5 mph

4:00 AM 44° F (42° F) Partly Cloudy   8%   79%   SE 5 mph

5:00 AM 43° F (40° F) Partly Cloudy   8%   82%   SE 5 mph

6:00 AM 43° F (40° F) Mostly Sunny   8%   82%   SE 5 mph

7:00 AM 44° F (42° F) Partly Sunny   4%   82%   SE 5 mph

8:00 AM 47° F (43° F) Partly Sunny   4%   76%   SSE 10 mph

9:00 AM 52° F Partly Sunny   4%   66%   SSE 10 mph

10:00 AM 56° F Partly Sunny   4%   59%   SSE 10 mph

11:00 AM 59° F Partly Sunny   4%   53%   SSE 15 mph

12:00 PM 62° F Partly Sunny   4%   46%   SSE 15 mph

1:00 PM 64° F Mostly Sunny   10%   43%   SSE 15 mph

2:00 PM 66° F Mostly Sunny   10%   40%   SSE 15 mph

3:00 PM 67° F Mostly Sunny   10%   39%   S 15 mph

4:00 PM 67° F Mostly Sunny   10%   39%   S 15 mph

5:00 PM 67° F Mostly Sunny   10%   39%   S 15 mph

6:00 PM 67° F Partly Cloudy   10%   39%   SSE 15 mph

7:00 PM 66° F Slight Chance Rain Showers   15%   40%   SSE 10 mph

8:00 PM 64° F Slight Chance Rain Showers   15%   43%   SSE 10 mph

9:00 PM 61° F Slight Chance Rain Showers   15%   50%   SE 10 mph

10:00 PM 58° F Slight Chance Rain Showers   15%   55%   SE 10 mph

11:00 PM 56° F Slight Chance Rain Showers   15%   59%   SE 10 mph

Friday May 22

12:00 AM 54° F Slight Chance Rain Showers   15%   61%   SE 10 mph

1:00 AM 53° F Partly Cloudy   12%   64%   SE 10 mph

2:00 AM 52° F Partly Cloudy   12%   66%   SE 10 mph

3:00 AM 51° F Partly Cloudy   12%   71%   SE 5 mph

4:00 AM 50° F (49° F) Partly Cloudy   12%   74%   SE 5 mph

5:00 AM 49° F (48° F) Partly Cloudy   12%   77%   SE 5 mph

6:00 AM 48° F (46° F) Mostly Sunny   12%   80%   SE 5 mph

7:00 AM 49° F (45° F) Slight Chance Rain Showers   16%   77%   SE 10 mph

8:00 AM 52° F Slight Chance Rain Showers   16%   71%   SE 10 mph

9:00 AM 55° F Slight Chance Rain Showers   16%   69%   SSE 10 mph

10:00 AM 59° F Slight Chance Rain Showers   16%   62%   SSE 10 mph

11:00 AM 62° F Slight Chance Rain Showers   16%   56%   SSE 10 mph

12:00 PM 65° F Slight Chance Rain Showers   16%   48%   SSE 15 mph

1:00 PM 67° F Slight Chance Showers And Thunderstorms   21%   43%   SSE 15 mph

2:00 PM 69° F Slight Chance Showers And Thunderstorms   21%   39%   SSE 15 mph

3:00 PM 70° F Slight Chance Showers And Thunderstorms   21%   38%   SSE 15 mph

4:00 PM 70° F Slight Chance Showers And Thunderstorms   21%   38%   SSE 15 mph

5:00 PM 70° F Slight Chance Showers And Thunderstorms   21%   38%   SSE 15 mph

6:00 PM 70° F Slight Chance Showers And Thunderstorms   21%   38%   SSE 15 mph

7:00 PM 69° F Slight Chance Showers And Thunderstorms   24%   40%   SSE 15 mph

8:00 PM 67° F Slight Chance Showers And Thunderstorms   24%   45%   SSE 10 mph

9:00 PM 64° F Slight Chance Showers And Thunderstorms   24%   50%   SE 10 mph

10:00 PM 62° F Slight Chance Showers And Thunderstorms   24%   56%   SE 10 mph

11:00 PM 60° F Slight Chance Showers And Thunderstorms   24%   60%   SE 10 mph

Saturday May 23

12:00 AM 59° F Slight Chance Showers And Thunderstorms   24%   62%   SSE 10 mph

1:00 AM 58° F Chance Showers And Thunderstorms   33%   64%   SSE 10 mph

2:00 AM 57° F Chance Showers And Thunderstorms   33%   67%   SSE 10 mph

3:00 AM 56° F Chance Showers And Thunderstorms   33%   72%   SSE 10 mph

4:00 AM 55° F Chance Showers And Thunderstorms   33%   74%   SSE 10 mph

5:00 AM 54° F Chance Showers And Thunderstorms   33%   77%   SSE 10 mph

6:00 AM 53° F Chance Showers And Thunderstorms   33%   83%   SSE 10 mph

7:00 AM 53° F Slight Chance Showers And Thunderstorms   24%   83%   SSE 10 mph