| Point Forecast: Waterloo IA 42.49N 92.35W |
Last Update: 8:50 pm CDT May 16, 2025 |
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| Date | 05/16 | 05/17 | ||||||||||||||||||||||
| 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) | 52 | 50 | 50 | 50 | 50 | 49 | 49 | 49 | 48 | 47 | 48 | 48 | 50 | 51 | 53 | 56 | 59 | 60 | 61 | 63 | 62 | 61 | 62 | 58 |
| Dewpoint (°F) | 44 | 44 | 43 | 41 | 40 | 40 | 39 | 39 | 39 | 38 | 38 | 38 | 38 | 38 | 38 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 21 | 21 | 20 | 20 | 20 | 20 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 16 | 15 | 14 | 11 |
| Wind Dir | W | W | W | W | W | W | W | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | NW | NW | NW | NNW |
| Gust | 34 | 33 | 33 | 33 | 32 | 32 | 31 | 30 | 30 | 29 | 28 | 28 | 28 | 28 | 28 | 26 | 26 | 26 | 26 | 26 | 25 | 23 | 21 | 18 |
| Sky Cover (%) | 91 | 86 | 90 | 89 | 86 | 86 | 82 | 88 | 90 | 88 | 88 | 84 | 83 | 81 | 78 | 77 | 69 | 62 | 57 | 42 | 35 | 29 | 28 | 19 |
| Precipitation Potential (%) | 19 | 14 | 11 | 9 | 6 | 4 | 3 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 74 | 80 | 76 | 72 | 68 | 71 | 68 | 68 | 71 | 71 | 69 | 71 | 68 | 63 | 60 | 56 | 50 | 46 | 44 | 41 | 40 | 41 | 43 | 49 |
| Rain | SChc | -- | -- | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/18 | |||||||||||||||||||||||
| 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) | 54 | 52 | 50 | 48 | 47 | 46 | 44 | 44 | 43 | 43 | 43 | 47 | 52 | 55 | 58 | 62 | 65 | 68 | 70 | 71 | 71 | 71 | 69 | 67 |
| Dewpoint (°F) | 39 | 39 | 39 | 39 | 38 | 37 | 37 | 37 | 37 | 36 | 36 | 37 | 37 | 38 | 39 | 39 | 40 | 40 | 41 | 41 | 42 | 42 | 43 | 43 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 10 | 8 | 8 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 7 | 8 | 9 | 10 | 10 |
| Wind Dir | NNW | NNW | NNW | NNW | NNW | NW | NW | NW | NNW | NNW | NNW | N | N | N | NNE | NNE | NE | NE | ENE | ENE | E | E | E | E |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 17 | 11 | 13 | 15 | 21 | 23 | 20 | 24 | 16 | 12 | 15 | 16 | 13 | 12 | 15 | 20 | 24 | 24 | 23 | 23 | 26 | 31 | 35 | 36 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 12 |
| Relative Humidity (%) | 57 | 61 | 66 | 71 | 71 | 71 | 76 | 76 | 79 | 76 | 76 | 68 | 56 | 53 | 49 | 43 | 40 | 36 | 35 | 34 | 35 | 35 | 39 | 42 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
