| Point Forecast: Mason City Municipal Airport IA 43.15N 93.34W |
Last Update: 10:35 am CDT Jul 13, 2025 |
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| Date | 07/13 | 07/14 | ||||||||||||||||||||||
| Hour (CDT) | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 |
| Temperature (°C) | 23 | 25 | 26 | 26 | 27 | 27 | 27 | 26 | 27 | 26 | 23 | 21 | 21 | 19 | 19 | 19 | 19 | 18 | 19 | 18 | 19 | 21 | 23 | 25 |
| Dewpoint (°C) | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 18 | 19 | 19 |
| Heat Index (°C) | 25 | 26 | 26 | 27 | 27 | 27 | 27 | 28 | 26 | 25 | ||||||||||||||
| Surface Wind (mph) | 7 | 8 | 9 | 10 | 10 | 10 | 10 | 10 | 11 | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 7 | 7 | 6 | 6 | 6 | 6 | 6 |
| Wind Dir | SW | SW | SW | SW | SW | SW | SW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SW | SW | SW | SW | WSW | WSW | WSW | WSW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 2 | 4 | 6 | 6 | 12 | 10 | 5 | 3 | 12 | 10 | 14 | 26 | 16 | 20 | 14 | 15 | 18 | 19 | 17 | 14 | 8 | 8 | 3 | 1 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 6 | 6 | 6 | 6 | 6 | 6 | 2 | 2 | 2 | 2 |
| Relative Humidity (%) | 65 | 60 | 58 | 56 | 54 | 54 | 56 | 59 | 60 | 67 | 81 | 90 | 90 | 97 | 93 | 93 | 93 | 93 | 90 | 93 | 90 | 84 | 79 | 69 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/15 | |||||||||||||||||||||||
| Hour (CDT) | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 |
| Temperature (°C) | 27 | 28 | 29 | 30 | 31 | 31 | 31 | 30 | 29 | 27 | 26 | 24 | 23 | 22 | 22 | 21 | 21 | 21 | 20 | 20 | 21 | 22 | 24 | 26 |
| Dewpoint (°C) | 19 | 19 | 19 | 20 | 20 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 21 | 21 | 20 | 19 | 19 | 19 | 18 | 18 | 18 | 19 | 19 | 20 |
| Heat Index (°C) | 28 | 29 | 31 | 32 | 33 | 33 | 33 | 33 | 31 | 29 | 26 | 24 | 24 | 26 | ||||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 7 | 8 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 13 |
| Wind Dir | SW | SW | SSW | SSW | SSW | SSW | SSW | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 2 | 3 | 3 | 5 | 7 | 9 | 7 | 5 | 3 | 6 | 10 | 13 | 14 | 16 | 17 | 19 | 21 | 23 | 19 | 15 | 11 | 15 | 19 | 23 |
| Precipitation Potential (%) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Relative Humidity (%) | 62 | 58 | 57 | 55 | 53 | 55 | 55 | 59 | 63 | 72 | 79 | 87 | 90 | 90 | 90 | 90 | 93 | 90 | 90 | 90 | 87 | 81 | 76 | 71 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
