| Point Forecast: 2 Miles SSW Rolling Meadows IL 42.05N 88.05W |
Last Update: 7:01 pm CDT May 16, 2026 |
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| Date | 05/16 | 05/17 | ||||||||||||||||||||||
| Hour (CDT) | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| Temperature (°F) | 81 | 79 | 74 | 71 | 69 | 67 | 67 | 66 | 65 | 64 | 63 | 63 | 62 | 64 | 66 | 70 | 72 | 75 | 78 | 81 | 82 | 83 | 84 | 85 |
| Dewpoint (°F) | 60 | 60 | 60 | 60 | 61 | 60 | 60 | 61 | 61 | 61 | 61 | 61 | 60 | 60 | 61 | 62 | 63 | 64 | 64 | 64 | 64 | 64 | 63 | 63 |
| Heat Index (°F) | 81 | 79 | 75 | 78 | 82 | 84 | 85 | 85 | 86 | |||||||||||||||
| Surface Wind (mph) | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 8 | 9 | 11 | 13 | 13 | 14 | 16 | 17 | 18 | 18 | 17 |
| Wind Dir | SSW | S | SSE | SSE | S | SSW | SW | SW | SSW | SSW | S | SE | E | ESE | SE | SSE | SSE | S | S | S | S | S | S | S |
| Gust | 15 | 18 | 21 | 22 | 24 | 26 | 28 | 29 | 29 | 28 | ||||||||||||||
| Sky Cover (%) | 46 | 51 | 56 | 62 | 67 | 73 | 79 | 80 | 82 | 84 | 83 | 81 | 80 | 77 | 73 | 70 | 70 | 69 | 69 | 67 | 64 | 62 | 58 | 54 |
| Precipitation Potential (%) | 12 | 12 | 12 | 11 | 11 | 11 | 15 | 18 | 22 | 37 | 40 | 43 | 26 | 22 | 18 | 12 | 11 | 9 | 8 | 7 | 6 | 5 | 3 | 1 |
| Relative Humidity (%) | 49 | 53 | 62 | 70 | 75 | 79 | 80 | 83 | 86 | 92 | 93 | 93 | 96 | 88 | 82 | 76 | 73 | 69 | 63 | 56 | 55 | 51 | 49 | 49 |
| Rain | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc | Chc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc | Chc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/18 | |||||||||||||||||||||||
| Hour (CDT) | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| Temperature (°F) | 84 | 82 | 79 | 76 | 74 | 73 | 72 | 71 | 70 | 69 | 69 | 68 | 68 | 71 | 74 | 78 | 80 | 81 | 82 | 82 | 83 | 83 | 83 | 83 |
| Dewpoint (°F) | 63 | 63 | 63 | 62 | 62 | 61 | 61 | 60 | 60 | 60 | 60 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 66 | 66 | 66 | 67 | 67 | 67 |
| Heat Index (°F) | 85 | 83 | 79 | 76 | 78 | 82 | 83 | 84 | 85 | 85 | 85 | 86 | 86 | |||||||||||
| Surface Wind (mph) | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 18 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 17 |
| Wind Dir | S | S | S | S | S | S | S | S | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW |
| Gust | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 28 | 30 | 30 | 31 | 32 | 32 | 32 | 32 | 31 | 30 | 28 |
| Sky Cover (%) | 50 | 37 | 25 | 12 | 19 | 25 | 32 | 32 | 33 | 33 | 37 | 40 | 44 | 50 | 55 | 61 | 66 | 70 | 75 | 75 | 74 | 74 | 72 | 70 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 3 | 5 | 5 | 5 | 46 | 46 | 46 | 55 | 55 | 55 | 78 | 78 | 78 | 78 | 78 | 78 |
| Relative Humidity (%) | 50 | 53 | 57 | 63 | 66 | 68 | 67 | 69 | 71 | 72 | 73 | 76 | 76 | 72 | 67 | 63 | 60 | 59 | 58 | 58 | 58 | 59 | 58 | 58 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Lkly | Lkly | Lkly | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc |
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