| Point Forecast: Brighton IL 39.04N 90.13W (Elev. 650 ft) |
Last Update: 8:52 pm CDT Jul 14, 2025 |
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| Date | 07/14 | 07/15 | ||||||||||||||||||||||
| Hour (CDT) | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| Temperature (°F) | 79 | 77 | 74 | 73 | 72 | 72 | 71 | 71 | 71 | 71 | 73 | 75 | 77 | 79 | 80 | 81 | 81 | 82 | 83 | 83 | 82 | 82 | 81 | 78 |
| Dewpoint (°F) | 72 | 71 | 71 | 71 | 70 | 70 | 70 | 69 | 69 | 69 | 70 | 71 | 72 | 72 | 72 | 72 | 71 | 71 | 71 | 72 | 72 | 72 | 72 | 72 |
| Heat Index (°F) | 83 | 77 | 75 | 77 | 79 | 84 | 85 | 85 | 86 | 88 | 88 | 87 | 87 | 85 | 78 | |||||||||
| Surface Wind (mph) | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 6 | 5 | 3 | 3 |
| Wind Dir | E | E | E | E | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | S | S | S | S | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 57 | 51 | 45 | 48 | 52 | 55 | 55 | 56 | 56 | 64 | 72 | 80 | 81 | 81 | 82 | 73 | 63 | 54 | 56 | 59 | 61 | 55 | 48 | 42 |
| Precipitation Potential (%) | 2 | 2 | 2 | 3 | 2 | 6 | 8 | 6 | 8 | 11 | 14 | 14 | 14 | 14 | 21 | 26 | 29 | 32 | 37 | 42 | 42 | 42 | 11 | 11 |
| Relative Humidity (%) | 77 | 84 | 90 | 93 | 93 | 93 | 97 | 93 | 93 | 93 | 90 | 87 | 85 | 79 | 77 | 74 | 72 | 69 | 67 | 70 | 72 | 72 | 74 | 82 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- |
| Date | 07/16 | |||||||||||||||||||||||
| Hour (CDT) | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| Temperature (°F) | 77 | 76 | 75 | 74 | 74 | 74 | 73 | 73 | 73 | 73 | 74 | 77 | 80 | 83 | 85 | 87 | 88 | 89 | 90 | 90 | 90 | 89 | 88 | 85 |
| Dewpoint (°F) | 72 | 72 | 72 | 72 | 72 | 72 | 71 | 71 | 71 | 72 | 72 | 72 | 72 | 72 | 72 | 71 | 71 | 71 | 70 | 70 | 70 | 71 | 71 | 71 |
| Heat Index (°F) | 77 | 76 | 75 | 77 | 84 | 88 | 91 | 93 | 94 | 95 | 96 | 96 | 96 | 95 | 94 | 90 | ||||||||
| Surface Wind (mph) | 3 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 5 | 5 | 5 | 6 | 6 | 7 | 8 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 6 |
| Wind Dir | S | SE | S | S | S | S | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 36 | 30 | 38 | 46 | 54 | 47 | 41 | 34 | 36 | 37 | 39 | 31 | 23 | 15 | 17 | 19 | 21 | 22 | 23 | 24 | 24 | 25 | 25 | 31 |
| Precipitation Potential (%) | 11 | 11 | 11 | 11 | 6 | 6 | 6 | 6 | 6 | 6 | 8 | 8 | 8 | 8 | 8 | 8 | 18 | 18 | 18 | 18 | 18 | 18 | 25 | 25 |
| Relative Humidity (%) | 85 | 87 | 90 | 93 | 93 | 93 | 93 | 93 | 93 | 97 | 93 | 85 | 77 | 70 | 65 | 59 | 57 | 56 | 52 | 52 | 52 | 56 | 57 | 63 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc |
