| Point Forecast: Grand Blanc MI 42.91N 83.62W (Elev. 846 ft) |
Last Update: 5:13 pm EDT Jul 15, 2025 |
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| Date | 07/16 | 07/17 | ||||||||||||||||||||||
| Hour (EDT) | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 |
| Temperature (°F) | 70 | 69 | 69 | 69 | 69 | 70 | 70 | 74 | 78 | 81 | 82 | 84 | 84 | 84 | 84 | 85 | 85 | 83 | 83 | 81 | 79 | 76 | 75 | 75 |
| Dewpoint (°F) | 61 | 62 | 62 | 63 | 63 | 64 | 66 | 68 | 69 | 70 | 71 | 71 | 71 | 71 | 71 | 72 | 72 | 72 | 72 | 72 | 72 | 71 | 71 | 71 |
| Heat Index (°F) | 78 | 84 | 87 | 88 | 89 | 89 | 89 | 91 | 91 | 89 | 88 | 85 | 79 | 76 | 75 | 75 | ||||||||
| Surface Wind (mph) | 6 | 6 | 5 | 5 | 6 | 6 | 5 | 5 | 6 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 7 | 7 | 7 | 6 | 5 | 5 | 5 | 5 |
| Wind Dir | S | S | S | S | S | S | S | S | S | SSW | SSW | S | S | S | S | S | S | SSW | SSW | S | SSW | SSW | S | SSW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 7 | 6 | 9 | 15 | 19 | 28 | 30 | 30 | 39 | 42 | 47 | 51 | 61 | 66 | 61 | 58 | 57 | 63 | 52 | 34 | 18 | 20 | 25 | 26 |
| Precipitation Potential (%) | 1 | 2 | 5 | 6 | 8 | 8 | 8 | 11 | 13 | 15 | 25 | 25 | 25 | 63 | 63 | 63 | 63 | 63 | 63 | 32 | 32 | 32 | 32 | 32 |
| Relative Humidity (%) | 72 | 76 | 79 | 81 | 82 | 82 | 85 | 82 | 76 | 71 | 68 | 66 | 66 | 65 | 65 | 65 | 65 | 69 | 70 | 74 | 79 | 85 | 87 | 88 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc |
| Date | 07/18 | |||||||||||||||||||||||
| Hour (EDT) | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 |
| Temperature (°F) | 74 | 74 | 73 | 73 | 72 | 72 | 72 | 72 | 73 | 74 | 75 | 76 | 77 | 77 | 77 | 77 | 76 | 75 | 73 | 70 | 68 | 65 | 63 | 62 |
| Dewpoint (°F) | 71 | 72 | 72 | 71 | 71 | 71 | 71 | 71 | 70 | 70 | 70 | 70 | 70 | 69 | 69 | 68 | 67 | 66 | 64 | 62 | 60 | 59 | 58 | 57 |
| Heat Index (°F) | 75 | 76 | 77 | 77 | 77 | 77 | 76 | 75 | ||||||||||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 8 | 8 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 8 | 8 | 7 | 7 | 7 |
| Wind Dir | SSW | SSW | SW | SW | SW | WSW | WSW | WSW | W | W | W | W | W | W | WNW | NW | NW | NNW | N | N | N | NNE | NNE | NNE |
| Gust | 18 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 18 | |||||||||||||||
| Sky Cover (%) | 31 | 35 | 43 | 51 | 59 | 67 | 76 | 84 | 83 | 83 | 82 | 82 | 82 | 82 | 80 | 78 | 76 | 75 | 75 | 74 | 66 | 58 | 50 | 47 |
| Precipitation Potential (%) | 32 | 31 | 31 | 31 | 31 | 31 | 31 | 53 | 53 | 53 | 53 | 53 | 53 | 48 | 48 | 48 | 48 | 48 | 48 | 10 | 10 | 10 | 10 | 10 |
| Relative Humidity (%) | 89 | 94 | 94 | 95 | 96 | 96 | 97 | 95 | 92 | 87 | 83 | 81 | 79 | 77 | 76 | 74 | 74 | 73 | 73 | 74 | 77 | 81 | 84 | 85 |
| Rain | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- |
| Thunder | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- |
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