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| Point Forecast: 5 Miles NE Chicago IL 41.88N 87.62W |
Last Update: 3:15 am CDT May 15, 2021 |
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| Date | 05/15 | 05/16 | ||||||||||||||||||||||
| Hour (CDT) | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 |
| Temperature (°C) | 13 | 12 | 12 | 12 | 13 | 14 | 16 | 17 | 17 | 18 | 18 | 18 | 18 | 17 | 16 | 14 | 13 | 12 | 12 | 11 | 11 | 11 | 11 | 11 |
| Dewpoint (°C) | 2 | 3 | 3 | 4 | 4 | 4 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 7 | 8 | 10 | 11 | 11 | 13 | 13 | 13 | 13 | 13 | 11 | 10 | 10 | 9 | 8 | 8 | 8 | 9 | 9 | 8 | 6 |
| Wind Dir | SSW | SSW | SSW | SW | SW | SSW | SSW | SSW | SSW | S | S | S | S | S | SSE | SSE | SSE | S | S | S | S | S | S | S |
| Gust | 21 | 21 | 21 | |||||||||||||||||||||
| Sky Cover (%) | 67 | 70 | 74 | 77 | 82 | 86 | 90 | 92 | 93 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 93 | 92 | 90 | 89 | 87 | 86 | 80 | 74 |
| Precipitation Potential (%) | 4 | 6 | 7 | 9 | 16 | 22 | 29 | 33 | 37 | 41 | 40 | 39 | 38 | 39 | 39 | 40 | 37 | 31 | 28 | 28 | 28 | 12 | 12 | 12 |
| Relative Humidity (%) | 49 | 52 | 54 | 57 | 55 | 51 | 48 | 46 | 44 | 45 | 43 | 45 | 48 | 50 | 55 | 59 | 66 | 71 | 77 | 80 | 80 | 83 | 83 | 86 |
| Rain | -- | -- | -- | -- | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/17 | |||||||||||||||||||||||
| Hour (CDT) | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 |
| Temperature (°C) | 11 | 11 | 11 | 11 | 12 | 14 | 15 | 16 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 15 | 14 | 14 | 13 | 13 | 13 | 13 | 12 |
| Dewpoint (°C) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 5 | 3 | 3 | 3 | 5 | 5 | 6 | 7 | 7 | 8 | 9 | 10 | 10 | 10 | 10 | 9 | 8 | 7 | 5 | 5 | 3 | 3 | 3 | 3 |
| Wind Dir | S | S | S | S | S | S | S | SSE | SE | ESE | ESE | E | E | E | E | E | E | E | E | E | ESE | SE | SE | ESE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 69 | 66 | 64 | 62 | 60 | 59 | 57 | 55 | 53 | 51 | 55 | 59 | 63 | 66 | 70 | 74 | 74 | 73 | 73 | 72 | 69 | 67 | 68 | 69 |
| Precipitation Potential (%) | 9 | 9 | 9 | 4 | 4 | 4 | 4 | 4 | 4 | 9 | 9 | 9 | 9 | 9 | 9 | 22 | 22 | 22 | 22 | 22 | 22 | 39 | 39 | 39 |
| Relative Humidity (%) | 89 | 89 | 89 | 89 | 80 | 72 | 67 | 62 | 58 | 58 | 56 | 58 | 58 | 62 | 62 | 64 | 67 | 72 | 75 | 77 | 77 | 83 | 83 | 86 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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