| Point Forecast: Grawn MI 44.67N 85.68W (Elev. 899 ft) |
Last Update: 4:11 pm EDT Aug 17, 2026 |
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| Date | 08/17 | 08/18 | ||||||||||||||||||||||
| 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 | 80 | 80 | 78 | 74 | 68 | 65 | 62 | 61 | 61 | 61 | 61 | 61 | 61 | 60 | 61 | 63 | 66 | 72 | 74 | 77 | 78 | 78 | 79 |
| Dewpoint (°F) | 57 | 55 | 54 | 54 | 56 | 56 | 57 | 57 | 56 | 56 | 56 | 57 | 58 | 59 | 60 | 61 | 63 | 64 | 64 | 64 | 63 | 63 | 63 | 63 |
| Heat Index (°F) | 78 | 80 | 80 | 78 | 77 | 78 | 78 | 79 | ||||||||||||||||
| Surface Wind (mph) | 8 | 8 | 7 | 5 | 1 | 1 | 1 | 2 | 2 | 3 | 3 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 8 | 9 | 10 | 10 | 11 | 11 |
| Wind Dir | NW | NW | NW | NW | W | W | SW | S | S | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | W | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 31 | 26 | 22 | 18 | 15 | 13 | 13 | 24 | 38 | 49 | 46 | 49 | 46 | 41 | 42 | 49 | 53 | 39 | 26 | 33 | 51 | 47 | 52 | 60 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 11 | 11 | 11 | 11 | 11 | 11 | 23 | 23 |
| Relative Humidity (%) | 48 | 42 | 41 | 43 | 53 | 65 | 75 | 84 | 84 | 84 | 84 | 87 | 90 | 93 | 100 | 100 | 100 | 93 | 76 | 71 | 62 | 60 | 60 | 58 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc |
| Date | 08/19 | |||||||||||||||||||||||
| 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) | 77 | 77 | 76 | 72 | 70 | 66 | 64 | 63 | 61 | 60 | 59 | 59 | 56 | 56 | 55 | 54 | 57 | 61 | 66 | 70 | 73 | 74 | 75 | 76 |
| Dewpoint (°F) | 64 | 64 | 64 | 65 | 66 | 65 | 64 | 63 | 61 | 60 | 59 | 59 | 56 | 56 | 55 | 54 | 57 | 60 | 59 | 57 | 55 | 53 | 52 | 51 |
| Heat Index (°F) | 77 | 77 | 76 | 75 | 76 | |||||||||||||||||||
| Surface Wind (mph) | 10 | 10 | 9 | 7 | 5 | 3 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 2 | 5 | 6 | 7 | 8 | 9 |
| Wind Dir | W | W | W | NW | SW | SW | NW | NW | N | N | N | N | N | N | N | N | NW | NW | NW | NW | NW | NW | NW | NW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 71 | 64 | 53 | 71 | 75 | 56 | 74 | 75 | 63 | 72 | 56 | 38 | 52 | 33 | 24 | 5 | 1 | 0 | 1 | 2 | 4 | 7 | 9 | 8 |
| Precipitation Potential (%) | 23 | 69 | 69 | 69 | 35 | 35 | 35 | 69 | 69 | 69 | 8 | 8 | 8 | 0 | 0 | 0 | 2 | 2 | 2 | 2 | 2 | 2 | 0 | 0 |
| Relative Humidity (%) | 64 | 64 | 66 | 79 | 87 | 97 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 97 | 78 | 63 | 53 | 48 | 45 | 42 |
| Rain | SChc | Lkly | Lkly | Lkly | Chc | Chc | Chc | Lkly | Lkly | Lkly | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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