| Point Forecast: 2 Miles S Chamberlain Municipal Airport SD 43.77N 99.33W (Elev. 518 m) |
Last Update: 3:00 pm CDT May 21, 2025 |
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| Date | 05/21 | 05/22 | ||||||||||||||||||||||
| Hour (CDT) | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 |
| Temperature (°C) | 11 | 11 | 11 | 11 | 10 | 9 | 7 | 6 | 6 | 5 | 4 | 4 | 4 | 3 | 4 | 4 | 5 | 7 | 8 | 10 | 12 | 13 | 14 | 15 |
| Dewpoint (°C) | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 3 | 3 | 3 | 2 | 3 | 4 | 5 | 5 | 5 | 6 | 6 | 6 | 6 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 15 | 14 | 13 | 11 | 10 | 8 | 6 | 6 | 5 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 5 | 6 | 6 | 5 | 6 | 6 | 6 |
| Wind Dir | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NW | WNW | WNW | NW | WNW | WNW | WNW | NNW | NNW | NNW | N | N | N | N | N |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 70 | 67 | 65 | 62 | 59 | 57 | 54 | 49 | 43 | 38 | 40 | 43 | 46 | 59 | 72 | 85 | 79 | 73 | 67 | 59 | 51 | 43 | 36 | 29 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 2 | 3 | 2 | 2 | 1 | 1 | 0 | 0 | 1 | 1 | 2 | 1 | 1 |
| Relative Humidity (%) | 71 | 69 | 69 | 66 | 71 | 77 | 84 | 92 | 93 | 96 | 97 | 93 | 94 | 95 | 91 | 94 | 94 | 89 | 79 | 71 | 66 | 61 | 59 | 53 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/23 | |||||||||||||||||||||||
| Hour (CDT) | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 |
| Temperature (°C) | 16 | 16 | 16 | 16 | 14 | 11 | 9 | 8 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 7 | 8 | 8 | 9 | 10 | 11 | 12 | 12 | 13 |
| Dewpoint (°C) | 6 | 6 | 6 | 5 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 6 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 7 | 8 | 10 | 11 | 13 | 14 | 15 | 16 | 16 |
| Wind Dir | N | N | NNE | NNE | NE | E | E | ESE | ESE | ESE | ESE | SE | SE | SE | SE | SE | SE | SE | ESE | ESE | ESE | ESE | ESE | ESE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 22 | 18 | 15 | 11 | 26 | 28 | 29 | 28 | 37 | 46 | 58 | 71 | 83 | 88 | 93 | 98 | 96 | 94 | 92 | 89 | 87 | 84 | 84 | 84 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 44 | 44 | 44 | 44 | 44 | 44 | 71 | 71 | 71 | 52 | 52 | 52 | 27 | 27 | 27 |
| Relative Humidity (%) | 51 | 51 | 50 | 49 | 57 | 71 | 80 | 86 | 88 | 89 | 92 | 94 | 96 | 97 | 97 | 96 | 93 | 93 | 89 | 86 | 80 | 77 | 74 | 74 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- |
