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| Point Forecast: Fairfax SD 43.02N 98.89W (Elev. 1949 ft) |
Last Update: 8:45 pm CDT Aug 19, 2019 |
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| Date | 08/20 | |||||||||||||||||||||||
| Hour (CDT) | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| Temperature (°F) | 74 | 74 | 73 | 71 | 70 | 69 | 69 | 68 | 70 | 74 | 77 | 81 | 84 | 87 | 88 | 89 | 89 | 88 | 87 | 84 | 80 | 76 | 73 | 70 |
| Dewpoint (°F) | 72 | 71 | 71 | 71 | 71 | 70 | 69 | 68 | 68 | 69 | 70 | 70 | 70 | 69 | 69 | 69 | 69 | 69 | 69 | 70 | 69 | 69 | 68 | 67 |
| Heat Index (°F) | 77 | 85 | 88 | 88 | 90 | 89 | 89 | 88 | 87 | 85 | 82 | 77 | ||||||||||||
| Surface Wind (mph) | 7 | 7 | 6 | 6 | 5 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 9 | 11 | 13 | 14 | 13 | 13 | 11 | 10 | 9 | 8 |
| Wind Dir | S | S | S | SSW | SW | SW | WSW | WSW | W | NW | NNW | NNW | N | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NE | NE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 41 | 42 | 39 | 35 | 32 | 34 | 36 | 39 | 40 | 41 | 42 | 43 | 43 | 43 | 42 | 42 | 41 | 49 | 58 | 66 | 67 | 69 | 70 | 74 |
| Precipitation Potential (%) | 6 | 4 | 2 | 3 | 3 | 3 | 2 | 1 | 1 | 1 | 1 | 3 | 6 | 8 | 8 | 8 | 11 | 11 | 11 | 25 | 25 | 25 | 25 | 25 |
| Relative Humidity (%) | 96 | 98 | 100 | 100 | 100 | 100 | 99 | 97 | 92 | 85 | 78 | 71 | 66 | 62 | 59 | 57 | 56 | 59 | 62 | 66 | 70 | 76 | 82 | 85 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc |
| Date | 08/21 | |||||||||||||||||||||||
| Hour (CDT) | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| Temperature (°F) | 69 | 68 | 67 | 66 | 65 | 63 | 62 | 61 | 61 | 63 | 64 | 66 | 68 | 70 | 72 | 74 | 75 | 75 | 74 | 73 | 70 | 67 | 65 | 63 |
| Dewpoint (°F) | 66 | 65 | 64 | 63 | 62 | 61 | 61 | 61 | 61 | 61 | 61 | 61 | 62 | 62 | 62 | 61 | 61 | 61 | 60 | 60 | 60 | 59 | 59 | 59 |
| Heat Index (°F) | 75 | 75 | ||||||||||||||||||||||
| Surface Wind (mph) | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 7 | 7 | 6 | 6 |
| Wind Dir | NE | NE | NE | NE | NE | NE | NE | NE | ENE | ENE | E | E | E | E | E | E | E | E | E | E | E | E | E | E |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 77 | 81 | 80 | 79 | 78 | 81 | 83 | 74 | 74 | 73 | 72 | 71 | 68 | 67 | 63 | 56 | 52 | 51 | 50 | 49 | 45 | 36 | 31 | 33 |
| Precipitation Potential (%) | 25 | 31 | 31 | 31 | 31 | 31 | 31 | 20 | 20 | 20 | 20 | 20 | 20 | 6 | 6 | 6 | 6 | 6 | 6 | 8 | 8 | 8 | 8 | 8 |
| Relative Humidity (%) | 87 | 90 | 90 | 91 | 95 | 95 | 98 | 100 | 100 | 93 | 90 | 84 | 81 | 76 | 71 | 64 | 62 | 62 | 62 | 64 | 71 | 75 | 81 | 87 |
| Rain | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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