| Point Forecast: 3 Miles SW Altoona WI 44.78N 91.47W (Elev. 892 ft) |
Last Update: 9:37 pm CDT Aug 17, 2026 |
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| Date | 08/17 | 08/18 | ||||||||||||||||||||||
| Hour (CDT) | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| Temperature (°F) | 75 | 73 | 72 | 70 | 69 | 69 | 67 | 66 | 66 | 65 | 64 | 66 | 68 | 70 | 72 | 73 | 75 | 77 | 80 | 80 | 80 | 78 | 77 | 73 |
| Dewpoint (°F) | 64 | 63 | 63 | 62 | 63 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 66 | 66 | 66 | 65 | 64 | 63 | 63 | 62 | 61 | 61 | 60 | 60 |
| Heat Index (°F) | 75 | 75 | 77 | 81 | 81 | 81 | 78 | 77 | ||||||||||||||||
| Surface Wind (mph) | 7 | 7 | 6 | 6 | 6 | 5 | 5 | 3 | 3 | 2 | 2 | 2 | 3 | 3 | 5 | 5 | 6 | 6 | 7 | 7 | 7 | 7 | 6 | 5 |
| Wind Dir | SW | SW | SW | SW | WSW | WSW | SW | SW | SW | SW | SW | W | W | W | W | W | WNW | WNW | WNW | WNW | WNW | NNW | NNW | NNW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 74 | 70 | 65 | 57 | 73 | 63 | 53 | 46 | 54 | 75 | 71 | 85 | 78 | 73 | 84 | 70 | 51 | 51 | 37 | 30 | 32 | 34 | 44 | 29 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 43 | 40 | 18 | 8 | 5 | 13 | 21 | 29 | 37 | 35 | 30 | 34 | 34 | 28 | 22 | 29 | 39 | 47 | 18 | 11 |
| Relative Humidity (%) | 69 | 71 | 73 | 76 | 81 | 84 | 90 | 93 | 93 | 97 | 100 | 93 | 93 | 87 | 81 | 76 | 69 | 62 | 56 | 54 | 52 | 56 | 56 | 64 |
| Rain | -- | -- | -- | -- | Chc | Chc | SChc | -- | -- | -- | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | Chc | Chc | Chc | SChc | -- |
| Thunder | -- | -- | -- | -- | SChc | SChc | SChc | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | -- | -- |
| Date | 08/19 | |||||||||||||||||||||||
| Hour (CDT) | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| Temperature (°F) | 70 | 67 | 65 | 64 | 62 | 62 | 60 | 59 | 57 | 56 | 57 | 60 | 64 | 69 | 72 | 74 | 76 | 77 | 79 | 79 | 78 | 77 | 75 | 72 |
| Dewpoint (°F) | 61 | 60 | 59 | 58 | 57 | 57 | 56 | 55 | 55 | 54 | 54 | 55 | 55 | 55 | 54 | 52 | 51 | 50 | 50 | 50 | 50 | 51 | 52 | 52 |
| Heat Index (°F) | 76 | 77 | 79 | 79 | 78 | 77 | 75 | |||||||||||||||||
| Surface Wind (mph) | 3 | 2 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 3 | 5 | 6 | 6 | 6 | 5 | 3 | 2 | 1 |
| Wind Dir | NW | NNW | NW | NNW | NNW | N | S | NNW | S | S | S | N | NNW | NNW | NNW | NW | NW | NW | NW | NW | NW | NW | NW | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 20 | 28 | 17 | 22 | 16 | 14 | 11 | 9 | 15 | 27 | 33 | 25 | 16 | 8 | 10 | 11 | 13 | 12 | 12 | 11 | 13 | 16 | 18 | 20 |
| Precipitation Potential (%) | 5 | 3 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Relative Humidity (%) | 73 | 78 | 81 | 81 | 84 | 84 | 87 | 87 | 93 | 93 | 90 | 84 | 73 | 61 | 53 | 46 | 42 | 39 | 36 | 36 | 38 | 40 | 45 | 49 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
