Sioux Falls, South Dakota

Hourly Forecast
Updated:   2026-08-12 @ 2:33 pm
There are 2 regional alerts

Time Temp   Conditions Precip Humidity Wind

Wednesday Aug 12

3:00 PM 88° F Patchy Smoke   1%   56%   E 10 mph

4:00 PM 88° F Patchy Smoke   1%   56%   E 10 mph

5:00 PM 87° F Patchy Smoke   1%   55%   E 10 mph

6:00 PM 86° F Patchy Smoke   1%   56%   E 10 mph

7:00 PM 84° F Patchy Smoke   1%   60%   E 10 mph

8:00 PM 83° F Patchy Smoke   2%   65%   E 10 mph

9:00 PM 80° F Patchy Smoke   2%   72%   E 10 mph

10:00 PM 78° F Patchy Smoke   10%   76%   E 10 mph

11:00 PM 76° F Patchy Smoke   16%   80%   E 10 mph

Thursday Aug 13

12:00 AM 75° F Patchy Smoke   22%   82%   ENE 10 mph

1:00 AM 74° F Patchy Smoke   49%   84%   ENE 10 mph

2:00 AM 73° F Showers And Thunderstorms Likely   62%   87%   ENE 10 mph

3:00 AM 72° F Showers And Thunderstorms Likely   60%   90%   ENE 5 mph

4:00 AM 71° F Showers And Thunderstorms Likely   71%   92%   ESE 10 mph

5:00 AM 71° F Chance Showers And Thunderstorms   50%   91%   ESE 10 mph

6:00 AM 69° F Chance Showers And Thunderstorms   30%   97%   ESE 10 mph

7:00 AM 69° F Chance Rain Showers   34%   93%   ESE 10 mph

8:00 AM 69° F Chance Rain Showers   28%   97%   E 10 mph

9:00 AM 68° F Chance Rain Showers   29%   100%   E 10 mph

10:00 AM 70° F Slight Chance Showers And Thunderstorms   21%   93%   E 10 mph

11:00 AM 71° F Slight Chance Showers And Thunderstorms   23%   93%   E 10 mph

12:00 PM 72° F Slight Chance Showers And Thunderstorms   19%   93%   E 10 mph

1:00 PM 73° F Partly Sunny   9%   90%   E 10 mph

2:00 PM 75° F Partly Sunny   8%   84%   ESE 10 mph

3:00 PM 76° F Partly Sunny   12%   82%   ESE 10 mph

4:00 PM 76° F Partly Sunny   14%   82%   ESE 15 mph

5:00 PM 76° F Partly Sunny   14%   82%   ESE 15 mph

6:00 PM 77° F Mostly Cloudy   0%   79%   E 10 mph

7:00 PM 76° F Partly Cloudy   0%   79%   E 10 mph

8:00 PM 76° F Mostly Cloudy   5%   79%   E 10 mph

9:00 PM 73° F Mostly Cloudy   1%   84%   E 10 mph

10:00 PM 71° F Mostly Cloudy   3%   90%   E 10 mph

11:00 PM 70° F Partly Cloudy   0%   93%   ENE 10 mph

Friday Aug 14

12:00 AM 69° F Partly Cloudy   0%   97%   ENE 10 mph

1:00 AM 68° F Partly Cloudy   0%   97%   ENE 10 mph

2:00 AM 68° F Chance Rain Showers   27%   97%   ENE 10 mph

3:00 AM 68° F Slight Chance Rain Showers   19%   93%   E 10 mph

4:00 AM 67° F Chance Showers And Thunderstorms   29%   97%   ENE 10 mph

5:00 AM 66° F Chance Showers And Thunderstorms   28%   100%   ENE 10 mph

6:00 AM 66° F Chance Showers And Thunderstorms   31%   100%   ENE 10 mph

7:00 AM 66° F Chance Rain Showers   33%   100%   ENE 10 mph

8:00 AM 65° F Chance Rain Showers   33%   100%   ENE 10 mph

9:00 AM 67° F Chance Rain Showers   33%   100%   E 10 mph

10:00 AM 70° F Chance Rain Showers   33%   93%   E 10 mph

11:00 AM 71° F Chance Rain Showers   33%   93%   E 10 mph

12:00 PM 72° F Chance Rain Showers   33%   93%   E 10 mph

1:00 PM 72° F Mostly Cloudy   8%   97%   E 10 mph

2:00 PM 73° F Mostly Cloudy   8%   97%   E 10 mph

3:00 PM 74° F Mostly Cloudy   8%   97%   ESE 10 mph

4:00 PM 75° F Mostly Cloudy   8%   94%   ESE 10 mph

5:00 PM 76° F Mostly Cloudy   8%   90%   ESE 10 mph

6:00 PM 76° F Mostly Cloudy   8%   90%   ESE 10 mph

7:00 PM 76° F Mostly Cloudy   12%   90%   ESE 10 mph

8:00 PM 75° F Mostly Cloudy   12%   94%   ESE 5 mph

9:00 PM 74° F Cloudy   12%   93%   E 5 mph

10:00 PM 73° F Cloudy   12%   97%   E 5 mph

11:00 PM 72° F Cloudy   12%   100%   E 5 mph

Saturday Aug 15

12:00 AM 72° F Mostly Cloudy   12%   97%   ESE 5 mph

1:00 AM 71° F Slight Chance Showers And Thunderstorms   18%   100%   ESE 5 mph

2:00 AM 70° F Slight Chance Showers And Thunderstorms   18%   100%   ESE 5 mph

3:00 AM 70° F Slight Chance Showers And Thunderstorms   18%   100%   0 mph

4:00 AM 69° F Slight Chance Showers And Thunderstorms   18%   100%   0 mph

5:00 AM 68° F Slight Chance Showers And Thunderstorms   18%   100%   0 mph

6:00 AM 68° F Slight Chance Showers And Thunderstorms   18%   100%   0 mph

7:00 AM 67° F Chance Showers And Thunderstorms   39%   100%   0 mph

8:00 AM 69° F Chance Showers And Thunderstorms   39%   100%   ENE 5 mph

9:00 AM 70° F Chance Showers And Thunderstorms   39%   100%   N 5 mph

10:00 AM 72° F Chance Showers And Thunderstorms   39%   100%   NNW 5 mph

11:00 AM 74° F Chance Showers And Thunderstorms   39%   97%   NNW 5 mph

12:00 PM 75° F Chance Showers And Thunderstorms   39%   94%   NNW 5 mph

1:00 PM 76° F Showers And Thunderstorms Likely   57%   94%   NNW 5 mph

2:00 PM 78° F Showers And Thunderstorms Likely   57%   91%   NW 5 mph

3:00 PM 78° F Showers And Thunderstorms Likely   57%   91%   WNW 5 mph

4:00 PM 79° F Showers And Thunderstorms Likely   57%   88%   WNW 5 mph

5:00 PM 79° F Showers And Thunderstorms Likely   57%   88%   WNW 5 mph

6:00 PM 78° F Showers And Thunderstorms Likely   57%   91%   NW 5 mph

7:00 PM 76° F Chance Showers And Thunderstorms   38%   94%   NW 5 mph

8:00 PM 75° F Chance Showers And Thunderstorms   38%   94%   NNW 5 mph

9:00 PM 73° F Chance Showers And Thunderstorms   38%   97%   NNW 5 mph

10:00 PM 72° F Chance Showers And Thunderstorms   38%   97%   NNW 5 mph

11:00 PM 71° F Chance Showers And Thunderstorms   38%   97%   N 5 mph

Sunday Aug 16

12:00 AM 69° F Chance Showers And Thunderstorms   38%   100%   N 5 mph

1:00 AM 68° F Chance Showers And Thunderstorms   26%   100%   N 5 mph

2:00 AM 67° F Chance Showers And Thunderstorms   26%   100%   N 5 mph

3:00 AM 67° F Chance Showers And Thunderstorms   26%   100%   N 5 mph

4:00 AM 66° F Chance Showers And Thunderstorms   26%   100%   N 5 mph

5:00 AM 65° F Chance Showers And Thunderstorms   26%   100%   N 5 mph

6:00 AM 64° F Chance Showers And Thunderstorms   26%   100%   N 5 mph

7:00 AM 64° F Slight Chance Rain Showers   16%   100%   N 5 mph

8:00 AM 65° F Slight Chance Rain Showers   16%   100%   N 5 mph

9:00 AM 68° F Slight Chance Rain Showers   16%   93%   NNE 5 mph

10:00 AM 70° F Slight Chance Rain Showers   16%   90%   NNE 5 mph

11:00 AM 72° F Slight Chance Rain Showers   16%   84%   NNE 10 mph

12:00 PM 73° F Slight Chance Rain Showers   16%   81%   N 10 mph

1:00 PM 74° F Partly Sunny   8%   79%   N 10 mph

2:00 PM 75° F Partly Sunny   8%   76%   N 10 mph

3:00 PM 76° F Partly Sunny   8%   76%   N 5 mph

4:00 PM 77° F Partly Sunny   8%   74%   N 5 mph

5:00 PM 77° F Partly Sunny   8%   74%   N 5 mph

6:00 PM 76° F Mostly Cloudy   8%   76%   NNE 5 mph

7:00 PM 75° F Mostly Clear   7%   76%   NNE 5 mph

8:00 PM 73° F Mostly Clear   7%   79%   NNE 5 mph

9:00 PM 71° F Mostly Clear   7%   81%   NE 5 mph

10:00 PM 69° F Mostly Clear   7%   84%   NE 5 mph

11:00 PM 68° F Mostly Clear   7%   84%   ENE 5 mph

Monday Aug 17

12:00 AM 66° F Mostly Clear   7%   90%   0 mph

1:00 AM 65° F Partly Cloudy   8%   90%   0 mph

2:00 AM 64° F Partly Cloudy   8%   90%   0 mph

3:00 AM 62° F Partly Cloudy   8%   97%   0 mph

4:00 AM 61° F Partly Cloudy   8%   97%   0 mph

5:00 AM 60° F Partly Cloudy   8%   96%   0 mph

6:00 AM 59° F Mostly Sunny   8%   100%   0 mph

7:00 AM 59° F Partly Sunny   3%   100%   0 mph

8:00 AM 62° F Partly Sunny   3%   97%   0 mph

9:00 AM 65° F Partly Sunny   3%   93%   0 mph

10:00 AM 69° F Partly Sunny   3%   87%   0 mph

11:00 AM 72° F Partly Sunny   3%   79%   S 5 mph

12:00 PM 74° F Partly Sunny   3%   74%   SSW 5 mph

1:00 PM 75° F Mostly Sunny   4%   71%   SSW 5 mph

2:00 PM 76° F Mostly Sunny   4%   71%   SSW 5 mph

3:00 PM 77° F Mostly Sunny   4%   69%   SSW 5 mph

4:00 PM 77° F Mostly Sunny   4%   71%   SSW 5 mph

5:00 PM 77° F Mostly Sunny   4%   71%   SSW 5 mph

6:00 PM 77° F Partly Cloudy   4%   71%   S 5 mph

7:00 PM 76° F Partly Cloudy   8%   74%   S 5 mph

8:00 PM 74° F Partly Cloudy   8%   79%   S 5 mph

9:00 PM 71° F Partly Cloudy   8%   84%   0 mph

10:00 PM 69° F Partly Cloudy   8%   90%   0 mph

11:00 PM 68° F Partly Cloudy   8%   93%   0 mph

Tuesday Aug 18

12:00 AM 67° F Partly Cloudy   8%   93%   0 mph

1:00 AM 66° F Chance Showers And Thunderstorms   32%   97%   0 mph

2:00 AM 65° F Chance Showers And Thunderstorms   32%   97%   0 mph

3:00 AM 63° F Chance Showers And Thunderstorms   32%   100%   0 mph

4:00 AM 62° F Chance Showers And Thunderstorms   32%   100%   0 mph

5:00 AM 61° F Chance Showers And Thunderstorms   32%   100%   0 mph

6:00 AM 60° F Chance Showers And Thunderstorms   32%   100%   0 mph

7:00 AM 61° F Chance Rain Showers   28%   100%   0 mph

8:00 AM 63° F Chance Rain Showers   28%   100%   0 mph

9:00 AM 67° F Chance Rain Showers   28%   97%   SSW 5 mph

10:00 AM 70° F Chance Rain Showers   28%   93%   SSW 5 mph

11:00 AM 73° F Chance Rain Showers   28%   87%   SSW 5 mph

12:00 PM 75° F Chance Rain Showers   28%   84%   SSW 5 mph

1:00 PM 77° F Chance Showers And Thunderstorms   25%   79%   SSW 10 mph

2:00 PM 78° F Chance Showers And Thunderstorms   25%   76%   SSW 10 mph

3:00 PM 79° F Chance Showers And Thunderstorms   25%   74%   SSW 10 mph

4:00 PM 79° F Chance Showers And Thunderstorms   25%   74%   SSW 5 mph

5:00 PM 79° F Chance Showers And Thunderstorms   25%   74%   SSW 5 mph

6:00 PM 78° F Chance Showers And Thunderstorms   25%   76%   SSW 5 mph

7:00 PM 77° F Chance Showers And Thunderstorms   38%   79%   SSW 5 mph

8:00 PM 75° F Chance Showers And Thunderstorms   38%   82%   S 5 mph

9:00 PM 72° F Chance Showers And Thunderstorms   38%   90%   SSE 5 mph

10:00 PM 70° F Chance Showers And Thunderstorms   38%   93%   SE 5 mph

11:00 PM 68° F Chance Showers And Thunderstorms   38%   97%   SE 5 mph

Wednesday Aug 19

12:00 AM 67° F Chance Showers And Thunderstorms   38%   100%   SSE 5 mph

1:00 AM 66° F Slight Chance Showers And Thunderstorms   23%   100%   SSE 5 mph

2:00 AM 65° F Slight Chance Showers And Thunderstorms   23%   100%   SSE 5 mph