| Point Forecast: Yankton SD 42.88N 97.4W (Elev. 1204 ft) |
Last Update: 9:03 pm CDT Jul 13, 2025 |
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| Date | 07/13 | 07/14 | ||||||||||||||||||||||
| Hour (CDT) | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| Temperature (°F) | 80 | 77 | 76 | 74 | 73 | 71 | 69 | 68 | 68 | 66 | 67 | 69 | 73 | 78 | 82 | 85 | 88 | 91 | 91 | 91 | 93 | 91 | 90 | 87 |
| Dewpoint (°F) | 71 | 71 | 70 | 69 | 68 | 67 | 66 | 66 | 65 | 64 | 65 | 66 | 68 | 70 | 71 | 72 | 71 | 71 | 70 | 69 | 70 | 70 | 71 | 71 |
| Heat Index (°F) | 83 | 77 | 76 | 78 | 86 | 91 | 94 | 98 | 97 | 96 | 99 | 97 | 96 | 93 | ||||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 5 | 6 | 7 | 9 | 10 | 10 | 11 | 11 | 11 | 11 | 10 |
| Wind Dir | S | S | S | SSE | SE | SE | SSE | SSE | S | SSE | ESE | SE | SE | SE | SE | SE | SE | SSE | SSE | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 11 | 9 | 4 | 5 | 3 | 5 | 7 | 11 | 16 | 16 | 24 | 30 | 17 | 4 | 1 | 7 | 2 | 2 | 6 | 9 | 6 | 4 | 4 | 4 |
| Precipitation Potential (%) | 11 | 9 | 6 | 4 | 2 | 2 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 74 | 82 | 82 | 84 | 84 | 87 | 90 | 93 | 90 | 93 | 93 | 90 | 84 | 76 | 69 | 65 | 57 | 52 | 50 | 49 | 47 | 50 | 54 | 59 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/15 | |||||||||||||||||||||||
| Hour (CDT) | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| Temperature (°F) | 82 | 79 | 78 | 77 | 77 | 76 | 74 | 73 | 72 | 71 | 71 | 73 | 77 | 80 | 83 | 85 | 87 | 88 | 88 | 88 | 88 | 88 | 86 | 83 |
| Dewpoint (°F) | 72 | 71 | 70 | 69 | 67 | 65 | 64 | 63 | 63 | 63 | 64 | 66 | 68 | 69 | 69 | 69 | 69 | 69 | 69 | 69 | 69 | 70 | 70 | 70 |
| Heat Index (°F) | 87 | 79 | 78 | 77 | 77 | 76 | 77 | 83 | 87 | 89 | 91 | 92 | 92 | 92 | 92 | 93 | 91 | 87 | ||||||
| Surface Wind (mph) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 10 | 11 | 13 | 14 | 15 | 15 | 15 | 15 | 14 | 13 | 11 | 11 |
| Wind Dir | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | SSE | SE |
| Gust | 20 | 21 | 22 | 23 | 23 | 23 | 23 | 22 | 20 | |||||||||||||||
| Sky Cover (%) | 14 | 25 | 35 | 38 | 23 | 27 | 30 | 34 | 36 | 37 | 39 | 36 | 32 | 29 | 29 | 30 | 30 | 27 | 24 | 21 | 30 | 40 | 49 | 57 |
| Precipitation Potential (%) | 0 | 0 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 20 | 20 | 20 | 20 | 20 | 20 | 63 | 63 |
| Relative Humidity (%) | 72 | 77 | 76 | 76 | 71 | 69 | 71 | 71 | 73 | 76 | 79 | 79 | 74 | 69 | 63 | 59 | 55 | 54 | 54 | 54 | 54 | 55 | 59 | 65 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | Lkly | Lkly |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | Chc | Chc |
