| Point Forecast: Downers Grove IL 41.8N 88W |
Last Update: 3:26 am CDT Jul 15, 2025 |
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| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| Hour (CDT) | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 |
| Temperature (°F) | 69 | 68 | 68 | 68 | 71 | 75 | 79 | 82 | 84 | 86 | 88 | 89 | 89 | 90 | 90 | 88 | 87 | 84 | 81 | 80 | 79 | 77 | 76 | 76 |
| Dewpoint (°F) | 62 | 63 | 64 | 64 | 66 | 66 | 67 | 67 | 67 | 67 | 66 | 66 | 66 | 67 | 67 | 68 | 69 | 70 | 71 | 71 | 71 | 72 | 72 | 72 |
| Heat Index (°F) | 75 | 81 | 85 | 87 | 89 | 90 | 92 | 92 | 93 | 93 | 92 | 91 | 88 | 85 | 83 | 79 | 77 | 76 | 75 | |||||
| Surface Wind (mph) | 3 | 2 | 2 | 2 | 2 | 5 | 5 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 5 |
| Wind Dir | SSE | S | S | S | S | S | S | S | S | S | S | S | SSW | SSW | S | S | S | S | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 11 | 14 | 2 | 1 | 4 | 2 | 1 | 3 | 15 | 23 | 33 | 27 | 22 | 18 | 23 | 19 | 33 | 40 | 31 | 32 | 29 | 24 | 28 | 31 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 13 | 13 | 13 | 14 | 14 | 14 | 12 | 9 | 9 | 8 | 8 | 8 | 6 | 6 |
| Relative Humidity (%) | 79 | 83 | 88 | 89 | 85 | 74 | 66 | 59 | 56 | 52 | 50 | 47 | 47 | 47 | 48 | 50 | 54 | 63 | 70 | 76 | 78 | 83 | 87 | 88 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/17 | |||||||||||||||||||||||
| Hour (CDT) | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 |
| Temperature (°F) | 75 | 74 | 74 | 74 | 75 | 77 | 80 | 83 | 85 | 87 | 88 | 90 | 91 | 90 | 89 | 86 | 83 | 81 | 78 | 76 | 75 | 74 | 73 | 72 |
| Dewpoint (°F) | 72 | 72 | 72 | 72 | 73 | 73 | 74 | 74 | 74 | 74 | 73 | 73 | 72 | 72 | 72 | 72 | 72 | 72 | 72 | 72 | 72 | 72 | 72 | 71 |
| Heat Index (°F) | 75 | 75 | 77 | 83 | 89 | 93 | 95 | 96 | 98 | 98 | 98 | 96 | 93 | 89 | 85 | 78 | 76 | 75 | ||||||
| Surface Wind (mph) | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 6 | 6 | 7 | 7 | 8 | 9 | 9 | 9 | 9 | 8 | 7 | 7 | 6 | 7 | 7 | 7 | 7 |
| Wind Dir | SSW | SSW | SSW | SSW | SSW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | WSW |
| Gust | 13 | 14 | 14 | 14 | 14 | 13 | 11 | |||||||||||||||||
| Sky Cover (%) | 33 | 45 | 35 | 40 | 57 | 62 | 40 | 28 | 34 | 35 | 36 | 36 | 36 | 36 | 42 | 48 | 54 | 61 | 67 | 74 | 75 | 76 | 77 | 81 |
| Precipitation Potential (%) | 6 | 4 | 4 | 4 | 8 | 8 | 8 | 8 | 8 | 8 | 32 | 32 | 32 | 32 | 32 | 32 | 59 | 59 | 59 | 59 | 59 | 59 | 53 | 53 |
| Relative Humidity (%) | 91 | 92 | 93 | 93 | 93 | 90 | 83 | 75 | 69 | 65 | 61 | 58 | 55 | 55 | 58 | 63 | 69 | 75 | 81 | 86 | 91 | 94 | 97 | 99 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc |
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