| Point Forecast: Irene SD 43.08N 97.16W (Elev. 427 m) |
Last Update: 7:38 pm CDT Jun 17, 2026 |
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| Date | 06/17 | 06/18 | ||||||||||||||||||||||
| Hour (CDT) | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| Temperature (°C) | 21 | 19 | 18 | 17 | 17 | 16 | 16 | 15 | 14 | 14 | 13 | 13 | 14 | 16 | 19 | 20 | 21 | 22 | 23 | 24 | 24 | 24 | 25 | 24 |
| Dewpoint (°C) | 11 | 11 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 11 | 11 | 11 | 11 | 11 | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 8 |
| Heat Index (°C) | 24 | 24 | 24 | 25 | 24 | |||||||||||||||||||
| Surface Wind (mph) | 22 | 18 | 15 | 14 | 13 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 13 | 14 | 15 | 15 | 14 | 14 | 13 | 13 | 13 | 13 |
| Wind Dir | NW | NW | NW | NW | NW | NW | WNW | WNW | WNW | WNW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NNW | NW | NW | NW | NNW |
| Gust | 39 | 32 | ||||||||||||||||||||||
| Sky Cover (%) | 18 | 23 | 21 | 24 | 34 | 43 | 35 | 38 | 30 | 34 | 44 | 46 | 47 | 41 | 33 | 43 | 39 | 38 | 45 | 24 | 47 | 29 | 20 | 20 |
| Precipitation Potential (%) | 3 | 1 | 1 | 2 | 2 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 2 | 2 | 2 | 2 | 1 | 2 | 1 | 1 |
| Relative Humidity (%) | 53 | 58 | 60 | 62 | 67 | 70 | 72 | 75 | 80 | 80 | 80 | 86 | 80 | 72 | 61 | 55 | 49 | 44 | 43 | 38 | 37 | 37 | 35 | 36 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/19 | |||||||||||||||||||||||
| Hour (CDT) | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| Temperature (°C) | 24 | 21 | 19 | 17 | 16 | 15 | 14 | 14 | 14 | 14 | 13 | 14 | 16 | 18 | 21 | 22 | 23 | 24 | 26 | 26 | 27 | 27 | 28 | 27 |
| Dewpoint (°C) | 8 | 9 | 9 | 9 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 9 | 9 | 9 | 9 | 9 |
| Heat Index (°C) | 24 | 24 | 26 | 26 | 26 | 27 | 27 | 27 | ||||||||||||||||
| Surface Wind (mph) | 9 | 7 | 7 | 6 | 5 | 5 | 3 | 3 | 5 | 5 | 6 | 7 | 7 | 7 | 8 | 10 | 13 | 15 | 15 | 15 | 14 | 14 | 14 | 13 |
| Wind Dir | NNW | N | NNE | NNE | ENE | E | SE | SSE | S | S | S | S | S | SSW | SW | SW | WSW | W | W | W | W | W | WNW | WNW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 15 | 9 | 14 | 21 | 13 | 22 | 21 | 20 | 33 | 29 | 52 | 61 | 3 | 36 | 69 | 68 | 67 | 66 | 63 | 59 | 56 | 53 | 49 | 46 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 6 | 11 | 11 | 11 | 11 | 11 | 11 | 14 | 14 | 14 | 14 | 14 | 14 | 5 |
| Relative Humidity (%) | 37 | 46 | 52 | 58 | 60 | 67 | 69 | 75 | 75 | 75 | 74 | 72 | 70 | 63 | 55 | 49 | 44 | 40 | 38 | 35 | 34 | 33 | 31 | 32 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
