| Point Forecast: La Grange IL 41.8N 87.86W |
Last Update: 4:11 am CDT Jul 15, 2025 |
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| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| Hour (CDT) | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 |
| Temperature (°C) | 20 | 20 | 22 | 24 | 27 | 28 | 29 | 31 | 32 | 32 | 32 | 32 | 32 | 32 | 31 | 29 | 28 | 27 | 27 | 26 | 25 | 24 | 24 | 24 |
| Dewpoint (°C) | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Heat Index (°C) | 24 | 28 | 30 | 31 | 32 | 33 | 33 | 34 | 34 | 34 | 33 | 33 | 31 | 30 | 29 | 28 | 26 | 25 | 24 | 24 | 24 | |||
| Surface Wind (mph) | 2 | 2 | 2 | 3 | 5 | 6 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 5 | 3 | 3 |
| Wind Dir | S | S | S | S | S | S | S | S | S | S | S | SSW | S | S | S | S | S | S | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 3 | 3 | 6 | 4 | 1 | 2 | 18 | 27 | 32 | 30 | 27 | 22 | 19 | 19 | 29 | 26 | 36 | 31 | 27 | 37 | 34 | 30 | 43 | 43 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 12 | 12 | 12 | 14 | 14 | 14 | 12 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 5 |
| Relative Humidity (%) | 88 | 88 | 85 | 75 | 65 | 57 | 52 | 50 | 47 | 45 | 44 | 45 | 46 | 48 | 52 | 61 | 67 | 71 | 76 | 80 | 85 | 88 | 89 | 90 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/17 | |||||||||||||||||||||||
| Hour (CDT) | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 |
| Temperature (°C) | 23 | 23 | 24 | 26 | 27 | 29 | 30 | 31 | 31 | 32 | 33 | 33 | 32 | 31 | 29 | 28 | 27 | 26 | 24 | 24 | 23 | 23 | 22 | 22 |
| Dewpoint (°C) | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 |
| Heat Index (°C) | 24 | 26 | 29 | 32 | 34 | 35 | 36 | 36 | 37 | 37 | 36 | 34 | 32 | 31 | 29 | 26 | 25 | 24 | ||||||
| Surface Wind (mph) | 3 | 3 | 3 | 3 | 5 | 6 | 6 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 |
| Wind Dir | SSW | SSW | SSW | SSW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | WSW | WSW | WSW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 35 | 37 | 49 | 31 | 29 | 24 | 35 | 39 | 43 | 41 | 38 | 36 | 42 | 48 | 54 | 61 | 69 | 76 | 76 | 76 | 76 | 79 | 83 | 86 |
| Precipitation Potential (%) | 5 | 5 | 9 | 9 | 9 | 9 | 9 | 9 | 27 | 27 | 27 | 27 | 27 | 27 | 57 | 57 | 57 | 57 | 57 | 57 | 52 | 52 | 52 | 52 |
| Relative Humidity (%) | 91 | 91 | 90 | 86 | 79 | 72 | 68 | 64 | 60 | 57 | 54 | 54 | 56 | 60 | 65 | 70 | 76 | 81 | 86 | 90 | 93 | 95 | 97 | 98 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc |
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