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| Point Forecast: Fairfax SD 43.02N 98.89W (Elev. 1949 ft) |
Last Update: 11:30 pm CDT Sep 18, 2019 |
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| Date | 09/19 | 09/20 | ||||||||||||||||||||||
| Hour (CDT) | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 |
| Temperature (°F) | 63 | 61 | 60 | 60 | 59 | 59 | 59 | 60 | 64 | 69 | 72 | 76 | 78 | 82 | 83 | 84 | 84 | 83 | 80 | 77 | 75 | 73 | 72 | 71 |
| Dewpoint (°F) | 55 | 54 | 54 | 54 | 54 | 54 | 55 | 56 | 59 | 61 | 62 | 63 | 65 | 66 | 67 | 68 | 68 | 68 | 69 | 69 | 69 | 69 | 68 | 68 |
| Heat Index (°F) | 76 | 78 | 84 | 86 | 87 | 87 | 86 | 83 | 77 | 75 | ||||||||||||||
| Surface Wind (mph) | 3 | 3 | 2 | 2 | 2 | 3 | 3 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 11 | 13 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Wind Dir | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SSE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 21 | 22 | 23 | 22 | 22 | 21 | 27 | 32 | 37 | 42 | 38 | 32 | 26 | 25 | 25 | 24 | 26 | 29 | 31 | 40 | 50 | 58 | 63 | 66 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 5 | 5 | 5 | 5 | 5 | 5 | 10 | 10 | 10 | 10 | 10 | 10 |
| Relative Humidity (%) | 74 | 76 | 81 | 81 | 84 | 85 | 87 | 87 | 83 | 76 | 71 | 66 | 63 | 60 | 60 | 59 | 59 | 62 | 68 | 75 | 83 | 86 | 88 | 88 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 09/21 | |||||||||||||||||||||||
| Hour (CDT) | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 |
| Temperature (°F) | 71 | 70 | 70 | 69 | 69 | 68 | 68 | 69 | 70 | 73 | 75 | 78 | 79 | 81 | 81 | 81 | 80 | 78 | 76 | 74 | 72 | 70 | 69 | 68 |
| Dewpoint (°F) | 67 | 67 | 66 | 66 | 66 | 66 | 66 | 67 | 68 | 68 | 68 | 67 | 67 | 67 | 66 | 66 | 66 | 66 | 66 | 65 | 65 | 64 | 64 | 64 |
| Heat Index (°F) | 75 | 78 | 82 | 83 | 83 | 83 | 82 | 78 | 76 | |||||||||||||||
| Surface Wind (mph) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 14 | 16 | 18 | 20 | 22 | 23 | 24 | 24 | 24 | 23 | 21 | 18 | 16 | 15 | 14 | 13 |
| Wind Dir | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | S | S | S | S | S | S | S | S | SSE | SSE | SSE | S | S | S | S | S |
| Gust | 25 | 30 | 32 | 33 | 34 | 36 | 36 | 36 | 32 | 31 | 28 | 25 | ||||||||||||
| Sky Cover (%) | 68 | 68 | 68 | 66 | 64 | 62 | 59 | 58 | 57 | 56 | 58 | 63 | 65 | 62 | 56 | 53 | 54 | 57 | 58 | 54 | 46 | 42 | 44 | 47 |
| Precipitation Potential (%) | 7 | 7 | 7 | 7 | 7 | 7 | 12 | 12 | 12 | 12 | 12 | 12 | 39 | 39 | 39 | 39 | 39 | 39 | 57 | 57 | 57 | 57 | 57 | 57 |
| Relative Humidity (%) | 89 | 88 | 88 | 89 | 90 | 92 | 93 | 94 | 92 | 86 | 79 | 70 | 66 | 63 | 60 | 61 | 63 | 66 | 71 | 74 | 80 | 82 | 86 | 87 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly |
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