| Point Forecast: American Falls ID 42.77N 112.87W (Elev. 4308 ft) |
Last Update: 5:31 pm MDT Jul 18, 2026 |
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| Date | 07/18 | 07/19 | ||||||||||||||||||||||
| Hour (MDT) | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| Temperature (°F) | 88 | 87 | 82 | 77 | 75 | 73 | 72 | 70 | 68 | 66 | 65 | 63 | 65 | 67 | 70 | 75 | 78 | 81 | 83 | 86 | 89 | 91 | 91 | 92 |
| Dewpoint (°F) | 53 | 55 | 55 | 55 | 56 | 55 | 55 | 54 | 54 | 53 | 54 | 51 | 55 | 54 | 53 | 55 | 57 | 56 | 55 | 54 | 54 | 51 | 49 | 50 |
| Heat Index (°F) | 86 | 85 | 81 | 77 | 75 | 75 | 78 | 81 | 82 | 84 | 87 | 88 | 88 | 89 | ||||||||||
| Surface Wind (mph) | 5 | 6 | 6 | 6 | 5 | 6 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 7 | 7 | 7 |
| Wind Dir | WNW | NNW | WSW | ESE | SSE | SSW | SSW | S | SSW | SW | W | E | ESE | N | W | WSW | W | W | WNW | W | W | W | WNW | WNW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 18 | 14 | 15 | 25 | 20 | 14 | 12 | 15 | 16 | 13 | 14 | 7 | 10 | 7 | 4 | 3 | 14 | 12 | 17 | 19 | 7 | 16 | 6 | 26 |
| Precipitation Potential (%) | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 30 | 34 | 40 | 47 | 51 | 54 | 55 | 57 | 60 | 64 | 67 | 65 | 69 | 64 | 55 | 49 | 48 | 42 | 38 | 33 | 30 | 26 | 24 | 24 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/20 | |||||||||||||||||||||||
| Hour (MDT) | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| Temperature (°F) | 90 | 88 | 84 | 79 | 77 | 75 | 73 | 72 | 70 | 68 | 66 | 66 | 65 | 67 | 70 | 74 | 78 | 82 | 85 | 88 | 90 | 91 | 92 | 91 |
| Dewpoint (°F) | 52 | 52 | 52 | 51 | 51 | 50 | 50 | 50 | 49 | 49 | 48 | 48 | 50 | 50 | 50 | 51 | 52 | 53 | 53 | 53 | 53 | 51 | 51 | 51 |
| Heat Index (°F) | 87 | 86 | 82 | 79 | 77 | 75 | 78 | 81 | 83 | 86 | 88 | 88 | 89 | 88 | ||||||||||
| Surface Wind (mph) | 7 | 7 | 6 | 6 | 6 | 5 | 5 | 5 | 3 | 3 | 3 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 5 | 5 | 5 | 6 |
| Wind Dir | WNW | WNW | W | W | W | SSW | SSW | SSW | S | S | S | ENE | ENE | ENE | NNE | NNE | NNE | NNE | NNE | NNE | NNW | NNW | NNW | N |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 26 | 26 | 38 | 38 | 38 | 40 | 40 | 40 | 36 | 36 | 36 | 20 | 20 | 20 | 9 | 9 | 9 | 6 | 6 | 6 | 18 | 18 | 18 | 45 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 2 | 2 | 2 | 23 |
| Relative Humidity (%) | 27 | 29 | 33 | 38 | 40 | 42 | 44 | 46 | 48 | 51 | 53 | 53 | 58 | 55 | 49 | 45 | 41 | 37 | 33 | 30 | 28 | 26 | 25 | 26 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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