| Point Forecast: Springfield, Capital Airport IL 39.84N 89.69W (Elev. 178 m) |
Last Update: 7:41 pm CDT May 16, 2024 |
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| Date | 05/16 | 05/17 | ||||||||||||||||||||||
| 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) | 20 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 16 | 17 | 18 | 20 | 21 | 22 | 23 | 24 | 24 | 26 | 26 | 26 | 25 | 24 |
| Dewpoint (°C) | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 |
| Heat Index (°C) | 24 | 24 | 26 | 26 | 26 | 25 | 24 | |||||||||||||||||
| Surface Wind (mph) | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 1 | 1 | 1 | 1 | 2 | 3 | 3 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Wind Dir | SSW | SSW | S | SSW | SSW | SW | SW | WSW | WSW | WSW | SW | SW | S | ESE | E | E | E | E | ESE | SE | SE | SE | SSE | SSE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 81 | 80 | 79 | 77 | 75 | 74 | 73 | 73 | 72 | 73 | 74 | 75 | 73 | 71 | 69 | 65 | 61 | 57 | 55 | 54 | 52 | 51 | 51 | 51 |
| Precipitation Potential (%) | 31 | 27 | 22 | 18 | 14 | 10 | 9 | 8 | 7 | 6 | 4 | 3 | 3 | 3 | 8 | 8 | 8 | 23 | 23 | 23 | 24 | 24 | 24 | 10 |
| Relative Humidity (%) | 84 | 90 | 93 | 93 | 90 | 87 | 90 | 90 | 93 | 93 | 100 | 93 | 87 | 81 | 78 | 71 | 66 | 64 | 62 | 56 | 56 | 56 | 58 | 60 |
| Rain | Chc | Chc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | -- |
| Thunder | Chc | Chc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | -- |
| Date | 05/18 | |||||||||||||||||||||||
| 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) | 23 | 21 | 19 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 16 | 17 | 19 | 21 | 23 | 24 | 25 | 26 | 27 | 28 | 28 | 28 | 28 | 27 |
| Dewpoint (°C) | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
| Heat Index (°C) | 24 | 25 | 26 | 27 | 28 | 28 | 28 | 28 | 27 | |||||||||||||||
| Surface Wind (mph) | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 3 | 3 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 |
| Wind Dir | SSE | SSE | SSE | SSE | SSE | S | S | S | S | SSE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | E | NNE | NNW | NNW | NNW | NNW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 49 | 47 | 45 | 42 | 38 | 35 | 35 | 35 | 35 | 34 | 34 | 33 | 31 | 28 | 26 | 28 | 29 | 31 | 26 | 22 | 17 | 15 | 14 | 12 |
| Precipitation Potential (%) | 10 | 10 | 10 | 10 | 10 | 7 | 7 | 7 | 7 | 7 | 7 | 10 | 10 | 10 | 10 | 10 | 10 | 20 | 20 | 20 | 20 | 20 | 20 | 5 |
| Relative Humidity (%) | 68 | 78 | 84 | 90 | 93 | 93 | 97 | 97 | 97 | 100 | 100 | 93 | 81 | 76 | 68 | 64 | 58 | 54 | 51 | 47 | 47 | 47 | 49 | 52 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | -- |
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