| Point Forecast: Itasca IL 41.98N 88.02W |
Last Update: 9:07 pm CDT Jul 15, 2025 |
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| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| Hour (CDT) | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 |
| Temperature (°C) | 27 | 26 | 25 | 24 | 24 | 24 | 23 | 24 | 24 | 25 | 26 | 27 | 28 | 29 | 31 | 31 | 32 | 32 | 32 | 32 | 30 | 28 | 27 | 26 |
| Dewpoint (°C) | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 |
| Heat Index (°C) | 28 | 26 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 26 | 30 | 31 | 33 | 34 | 35 | 36 | 37 | 37 | 36 | 34 | 32 | 30 | 28 | |
| Surface Wind (mph) | 5 | 3 | 3 | 3 | 2 | 3 | 3 | 3 | 5 | 5 | 6 | 6 | 7 | 8 | 9 | 11 | 11 | 13 | 13 | 13 | 13 | 11 | 11 | 10 |
| Wind Dir | S | S | S | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SW | SW | SW | SW | SW | SSW | SSW | SSW | SW | SW | SW | WSW | WSW | WSW |
| Gust | 21 | |||||||||||||||||||||||
| Sky Cover (%) | 45 | 46 | 48 | 49 | 52 | 55 | 57 | 55 | 53 | 51 | 51 | 50 | 50 | 51 | 51 | 52 | 50 | 49 | 47 | 57 | 67 | 77 | 74 | 70 |
| Precipitation Potential (%) | 15 | 15 | 18 | 20 | 16 | 12 | 9 | 6 | 7 | 8 | 8 | 8 | 6 | 6 | 6 | 22 | 22 | 22 | 57 | 57 | 57 | 64 | 64 | 64 |
| Relative Humidity (%) | 70 | 73 | 78 | 82 | 85 | 87 | 88 | 88 | 88 | 87 | 81 | 75 | 70 | 65 | 61 | 58 | 57 | 56 | 57 | 62 | 68 | 75 | 77 | 80 |
| Rain | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly |
| Date | 07/17 | |||||||||||||||||||||||
| Hour (CDT) | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 |
| Temperature (°C) | 26 | 24 | 24 | 23 | 23 | 23 | 22 | 22 | 22 | 20 | 20 | 20 | 21 | 22 | 23 | 24 | 24 | 24 | 23 | 23 | 22 | 21 | 19 | 18 |
| Dewpoint (°C) | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 17 | 17 | 16 | 15 | 14 | 14 |
| Heat Index (°C) | 26 | 24 | 24 | 24 | 24 | 24 | ||||||||||||||||||
| Surface Wind (mph) | 10 | 9 | 8 | 7 | 7 | 7 | 7 | 8 | 8 | 9 | 9 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 9 | 9 |
| Wind Dir | WSW | WSW | W | W | W | W | W | W | WNW | WNW | NW | NW | NNW | NNW | N | N | N | N | NNE | NNE | NNE | NNE | NNE | NNE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 66 | 54 | 63 | 71 | 73 | 76 | 78 | 77 | 75 | 76 | 78 | 80 | 82 | 83 | 83 | 83 | 81 | 78 | 75 | 74 | 73 | 72 | 66 | 60 |
| Precipitation Potential (%) | 64 | 64 | 64 | 43 | 43 | 43 | 43 | 43 | 43 | 22 | 22 | 22 | 22 | 22 | 22 | 12 | 12 | 12 | 12 | 12 | 12 | 8 | 8 | 8 |
| Relative Humidity (%) | 82 | 86 | 89 | 91 | 91 | 91 | 91 | 91 | 91 | 97 | 95 | 95 | 91 | 84 | 78 | 73 | 70 | 69 | 68 | 68 | 68 | 70 | 72 | 76 |
| Rain | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | Lkly | Lkly | Lkly | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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