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| Point Forecast: Spring Lake MI 43.08N 86.19W (Elev. 600 ft) |
Last Update: 4:05 pm EDT Sep 17, 2021 |
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| Date | 09/17 | 09/18 | ||||||||||||||||||||||
| Hour (EDT) | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 |
| Temperature (°F) | 78 | 77 | 77 | 76 | 73 | 71 | 70 | 68 | 67 | 66 | 65 | 64 | 62 | 60 | 57 | 56 | 56 | 59 | 63 | 67 | 70 | 73 | 75 | 76 |
| Dewpoint (°F) | 67 | 67 | 66 | 65 | 65 | 65 | 65 | 64 | 64 | 62 | 61 | 59 | 57 | 55 | 52 | 51 | 50 | 51 | 51 | 51 | 50 | 50 | 50 | 51 |
| Heat Index (°F) | 78 | 77 | 77 | 76 | 75 | 76 | ||||||||||||||||||
| Surface Wind (mph) | 11 | 10 | 9 | 8 | 8 | 7 | 7 | 7 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 6 | 5 | 5 |
| Wind Dir | SSW | SW | SW | W | W | WNW | NW | NNW | N | N | N | NNE | NNE | NE | NE | NE | NE | ENE | ENE | ENE | ENE | ENE | NE | N |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 13 | 21 | 31 | 44 | 60 | 67 | 81 | 81 | 75 | 74 | 67 | 70 | 64 | 50 | 39 | 23 | 19 | 4 | 2 | 5 | 1 | 5 | 5 | 1 |
| Precipitation Potential (%) | 3 | 2 | 9 | 22 | 36 | 35 | 34 | 13 | 13 | 13 | 9 | 9 | 9 | 6 | 6 | 6 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 |
| Relative Humidity (%) | 69 | 71 | 69 | 71 | 76 | 81 | 84 | 87 | 90 | 87 | 87 | 84 | 84 | 84 | 83 | 83 | 80 | 75 | 65 | 56 | 49 | 44 | 41 | 42 |
| Rain | -- | -- | -- | SChc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 09/19 | |||||||||||||||||||||||
| Hour (EDT) | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 |
| Temperature (°F) | 76 | 75 | 74 | 71 | 69 | 66 | 63 | 61 | 60 | 59 | 58 | 57 | 57 | 56 | 55 | 55 | 56 | 62 | 67 | 71 | 74 | 77 | 78 | 79 |
| Dewpoint (°F) | 51 | 51 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 51 | 51 | 50 | 50 | 50 | 50 | 51 | 52 | 55 | 57 | 59 | 60 | 61 | 61 | 61 |
| Heat Index (°F) | 76 | 75 | 77 | 78 | 79 | |||||||||||||||||||
| Surface Wind (mph) | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 6 | 7 | 8 | 9 | 10 | 10 | 10 | 9 |
| Wind Dir | N | NNW | N | N | N | NE | ENE | E | E | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | SE | SE | SSE | SSE | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 2 | 2 | 2 | 4 | 8 | 3 | 6 | 6 | 5 | 3 | 2 | 2 | 3 | 4 | 3 | 3 | 3 | 3 | 2 | 2 | 4 | 7 | 8 | 8 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| Relative Humidity (%) | 42 | 43 | 46 | 51 | 55 | 61 | 67 | 72 | 75 | 75 | 77 | 77 | 77 | 80 | 83 | 86 | 86 | 78 | 70 | 66 | 62 | 58 | 56 | 54 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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