| Point Forecast: 4 Miles NNE Littleport IA 42.82N 91.36W |
Last Update: 5:16 pm CDT Jul 19, 2026 |
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| Date | 07/19 | 07/20 | ||||||||||||||||||||||
| Hour (CDT) | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 |
| Temperature (°F) | 72 | 71 | 69 | 68 | 67 | 67 | 67 | 66 | 66 | 68 | 71 | 73 | 78 | 80 | 83 | 84 | 87 | 89 | 90 | 90 | 91 | 90 | 88 | 84 |
| Dewpoint (°F) | 64 | 64 | 63 | 63 | 63 | 63 | 63 | 63 | 63 | 64 | 67 | 68 | 70 | 71 | 73 | 74 | 75 | 76 | 76 | 76 | 76 | 76 | 75 | 74 |
| Heat Index (°F) | 78 | 83 | 89 | 91 | 96 | 100 | 102 | 102 | 103 | 102 | 98 | 91 | ||||||||||||
| Surface Wind (mph) | 3 | 3 | 3 | 3 | 3 | 5 | 6 | 6 | 7 | 7 | 8 | 9 | 10 | 11 | 11 | 13 | 14 | 14 | 15 | 15 | 15 | 14 | 13 | 11 |
| Wind Dir | S | S | S | S | S | S | S | S | S | S | S | S | S | SW | SW | SW | SW | SW | SW | SW | SW | SW | W | W |
| Gust | 20 | 21 | 22 | 22 | 23 | 24 | 23 | 22 | 22 | 20 | ||||||||||||||
| Sky Cover (%) | 22 | 16 | 34 | 26 | 33 | 35 | 25 | 11 | 41 | 31 | 24 | 31 | 51 | 56 | 62 | 48 | 47 | 42 | 33 | 36 | 32 | 40 | 34 | 44 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 15 | 18 | 29 | 48 | 41 | 45 | 42 | 28 | 20 | 27 | 27 | 36 | 27 | 36 | 48 |
| Relative Humidity (%) | 76 | 79 | 81 | 84 | 87 | 87 | 87 | 90 | 90 | 87 | 87 | 84 | 76 | 74 | 72 | 72 | 68 | 66 | 64 | 64 | 62 | 64 | 66 | 72 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | Chc | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | SChc | Chc | Chc | Chc | Chc | Chc | Chc |
| Date | 07/21 | |||||||||||||||||||||||
| Hour (CDT) | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 |
| Temperature (°F) | 81 | 79 | 77 | 76 | 74 | 73 | 71 | 71 | 70 | 69 | 72 | 75 | 77 | 79 | 80 | 81 | 82 | 83 | 83 | 83 | 82 | 80 | 77 | 74 |
| Dewpoint (°F) | 73 | 72 | 70 | 69 | 67 | 66 | 64 | 63 | 63 | 63 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 64 | 63 | 62 | 61 | 60 | 60 | 59 |
| Heat Index (°F) | 86 | 79 | 77 | 76 | 75 | 77 | 79 | 82 | 83 | 84 | 84 | 84 | 84 | 83 | 81 | 77 | ||||||||
| Surface Wind (mph) | 10 | 10 | 9 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 11 | 14 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 14 | 11 | 10 |
| Wind Dir | W | W | W | W | W | W | W | W | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | N | N | N | N |
| Gust | 18 | 23 | 24 | 25 | 25 | 25 | 25 | 25 | 24 | 23 | 22 | 20 | ||||||||||||
| Sky Cover (%) | 32 | 34 | 35 | 52 | 38 | 46 | 39 | 42 | 30 | 28 | 27 | 21 | 15 | 18 | 22 | 25 | 26 | 26 | 27 | 21 | 14 | 8 | 8 | 8 |
| Precipitation Potential (%) | 32 | 33 | 33 | 13 | 7 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 77 | 79 | 79 | 79 | 79 | 79 | 79 | 76 | 78 | 81 | 79 | 71 | 67 | 62 | 60 | 58 | 56 | 53 | 51 | 49 | 49 | 51 | 56 | 59 |
| Rain | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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