| Point Forecast: Grand Blanc MI 42.91N 83.62W (Elev. 846 ft) |
Last Update: 5:13 am EDT Jul 15, 2025 |
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| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| Hour (EDT) | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 |
| Temperature (°F) | 64 | 64 | 68 | 72 | 78 | 81 | 83 | 84 | 86 | 87 | 88 | 88 | 88 | 87 | 85 | 80 | 76 | 73 | 72 | 70 | 70 | 69 | 69 | 69 |
| Dewpoint (°F) | 61 | 61 | 63 | 65 | 65 | 66 | 65 | 65 | 64 | 64 | 64 | 63 | 62 | 63 | 64 | 63 | 63 | 62 | 62 | 62 | 62 | 63 | 64 | 65 |
| Heat Index (°F) | 78 | 83 | 85 | 86 | 88 | 89 | 89 | 89 | 88 | 88 | 86 | 81 | 76 | |||||||||||
| Surface Wind (mph) | 1 | 1 | 1 | 2 | 2 | 3 | 5 | 6 | 7 | 6 | 6 | 6 | 5 | 5 | 5 | 3 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Wind Dir | SW | SW | SW | SW | SW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | S | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 5 | 6 | 7 | 8 | 8 | 9 | 9 | 10 | 10 | 9 | 9 | 8 | 7 | 6 | 5 | 7 | 8 | 10 | 11 | 13 | 14 | 16 | 17 | 19 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 3 | 6 | 8 | 10 |
| Relative Humidity (%) | 91 | 90 | 85 | 79 | 65 | 60 | 55 | 53 | 47 | 46 | 45 | 44 | 43 | 45 | 49 | 56 | 63 | 68 | 72 | 75 | 78 | 81 | 84 | 87 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/17 | |||||||||||||||||||||||
| Hour (EDT) | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 |
| Temperature (°F) | 70 | 70 | 73 | 78 | 81 | 83 | 84 | 84 | 85 | 85 | 85 | 85 | 84 | 83 | 82 | 79 | 77 | 75 | 74 | 73 | 73 | 72 | 72 | 72 |
| Dewpoint (°F) | 65 | 66 | 68 | 71 | 71 | 71 | 72 | 72 | 71 | 72 | 72 | 72 | 72 | 72 | 73 | 72 | 72 | 71 | 71 | 71 | 71 | 71 | 71 | 71 |
| Heat Index (°F) | 78 | 85 | 88 | 90 | 90 | 90 | 91 | 91 | 92 | 90 | 88 | 87 | 83 | 77 | 75 | |||||||||
| Surface Wind (mph) | 3 | 3 | 3 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 3 | 3 | 3 | 5 | 5 | 5 | 6 | 6 |
| Wind Dir | SSW | SSW | SSW | SW | SW | SSW | SSW | S | S | S | S | S | S | SSW | SSW | SSW | S | S | S | SSW | SSW | SSW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 21 | 23 | 24 | 29 | 34 | 38 | 43 | 47 | 52 | 52 | 53 | 53 | 50 | 47 | 44 | 41 | 39 | 36 | 38 | 39 | 41 | 48 | 56 | 63 |
| Precipitation Potential (%) | 10 | 10 | 14 | 17 | 19 | 24 | 24 | 24 | 48 | 48 | 48 | 48 | 48 | 48 | 33 | 33 | 33 | 33 | 33 | 33 | 30 | 30 | 30 | 30 |
| Relative Humidity (%) | 86 | 86 | 85 | 78 | 72 | 67 | 66 | 67 | 64 | 65 | 64 | 65 | 68 | 71 | 74 | 79 | 84 | 89 | 91 | 92 | 93 | 95 | 97 | 98 |
| Rain | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | Chc |
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