| Point Forecast: St. Clair Shores MI 42.5N 82.9W (Elev. 587 ft) |
Last Update: 4:24 pm EDT May 17, 2026 |
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| Date | 05/17 | 05/18 | ||||||||||||||||||||||
| Hour (EDT) | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| Temperature (°F) | 76 | 73 | 70 | 69 | 67 | 67 | 66 | 67 | 66 | 65 | 65 | 65 | 67 | 71 | 74 | 76 | 80 | 82 | 83 | 85 | 84 | 84 | 83 | 81 |
| Dewpoint (°F) | 63 | 62 | 62 | 61 | 61 | 61 | 61 | 61 | 60 | 60 | 61 | 62 | 62 | 62 | 63 | 63 | 63 | 63 | 63 | 63 | 63 | 63 | 63 | 63 |
| Heat Index (°F) | 77 | 77 | 81 | 83 | 84 | 86 | 85 | 85 | 84 | 82 | ||||||||||||||
| Surface Wind (mph) | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 11 | 13 | 14 | 15 | 16 | 17 | 18 | 18 | 18 | 17 | 16 |
| Wind Dir | SSE | SSE | SSE | S | S | S | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SW | SW |
| Gust | 18 | 21 | 22 | 24 | 25 | 26 | 28 | 29 | 29 | 28 | 26 | |||||||||||||
| Sky Cover (%) | 65 | 71 | 66 | 68 | 59 | 44 | 48 | 47 | 60 | 37 | 25 | 38 | 14 | 7 | 3 | 2 | 16 | 18 | 25 | 41 | 39 | 48 | 61 | 66 |
| Precipitation Potential (%) | 19 | 13 | 10 | 3 | 3 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 3 | 3 | 0 | 3 | 6 | 11 | 17 | 22 | 28 | 31 | 31 | 31 |
| Relative Humidity (%) | 63 | 69 | 74 | 78 | 81 | 82 | 85 | 81 | 83 | 85 | 87 | 88 | 85 | 74 | 69 | 63 | 57 | 53 | 52 | 49 | 50 | 51 | 51 | 53 |
| Rain | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc |
| Date | 05/19 | |||||||||||||||||||||||
| Hour (EDT) | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| Temperature (°F) | 78 | 75 | 73 | 72 | 70 | 70 | 69 | 70 | 69 | 69 | 68 | 68 | 69 | 73 | 76 | 79 | 81 | 84 | 86 | 87 | 86 | 85 | 83 | 80 |
| Dewpoint (°F) | 62 | 63 | 63 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 63 | 63 | 63 | 62 |
| Heat Index (°F) | 78 | 75 | 76 | 79 | 83 | 85 | 87 | 88 | 87 | 86 | 84 | 81 | ||||||||||||
| Surface Wind (mph) | 15 | 15 | 14 | 11 | 11 | 10 | 10 | 10 | 11 | 11 | 11 | 13 | 13 | 14 | 15 | 16 | 17 | 18 | 20 | 20 | 20 | 18 | 17 | 16 |
| Wind Dir | SSW | SSW | SSW | SW | SW | SW | SW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SW | SW | SW | SW | SW | SW | SW |
| Gust | 24 | 23 | 22 | 21 | 20 | 20 | 18 | 20 | 20 | 20 | 20 | 21 | 21 | 23 | 25 | 26 | 29 | 30 | 31 | 31 | 30 | 29 | 28 | 25 |
| Sky Cover (%) | 81 | 83 | 82 | 88 | 78 | 55 | 43 | 63 | 61 | 57 | 45 | 50 | 51 | 74 | 55 | 35 | 42 | 49 | 57 | 60 | 64 | 67 | 72 | 76 |
| Precipitation Potential (%) | 44 | 44 | 44 | 40 | 33 | 25 | 22 | 22 | 22 | 22 | 22 | 22 | 13 | 13 | 13 | 13 | 13 | 13 | 81 | 81 | 81 | 81 | 81 | 81 |
| Relative Humidity (%) | 60 | 65 | 71 | 75 | 79 | 82 | 85 | 82 | 83 | 84 | 85 | 86 | 83 | 73 | 66 | 62 | 57 | 52 | 48 | 47 | 47 | 48 | 51 | 55 |
| Rain | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl |
| Thunder | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc |
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