| Point Forecast: 7 Miles NNW Island Park ID 44.64N 111.39W (Elev. 1972 m) |
Last Update: 1:06 am MDT May 21, 2026 |
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| Date | 05/21 | 05/22 | ||||||||||||||||||||||
| Hour (MDT) | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 |
| Temperature (°C) | 3 | 3 | 3 | 2 | 3 | 4 | 4 | 5 | 5 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 5 | 4 | 3 | 2 | 2 | 2 | 1 | 0 |
| Dewpoint (°C) | 1 | 1 | 2 | 1 | 1 | 1 | 0 | 0 | -1 | -1 | -1 | -2 | -2 | -3 | -3 | -3 | -3 | -2 | -3 | -2 | -2 | -2 | -3 | -3 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 9 | 10 | 11 | 13 | 15 | 14 | 13 | 13 | 13 | 11 | 11 | 11 | 11 | 13 | 11 | 9 | 8 | 6 | 6 | 5 | 5 | 3 | 3 | 2 |
| Wind Dir | NW | NW | NW | NW | NW | NNW | NNW | NNW | N | N | NNW | NNW | NNW | N | N | N | N | N | N | NNW | NNW | W | NW | NNW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 65 | 65 | 78 | 79 | 74 | 81 | 78 | 70 | 52 | 58 | 58 | 48 | 58 | 57 | 47 | 30 | 14 | 12 | 12 | 12 | 20 | 23 | 15 | 29 |
| Precipitation Potential (%) | 16 | 14 | 23 | 32 | 41 | 34 | 28 | 21 | 20 | 19 | 18 | 13 | 9 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 90 | 90 | 91 | 87 | 82 | 78 | 74 | 70 | 67 | 60 | 55 | 51 | 49 | 47 | 47 | 47 | 58 | 64 | 68 | 71 | 76 | 77 | 78 | 80 |
| Rain | SChc | -- | SChc | SChc | SChc | SChc | Chc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/23 | |||||||||||||||||||||||
| Hour (MDT) | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 |
| Temperature (°C) | 0 | -1 | 1 | 2 | 4 | 7 | 9 | 9 | 10 | 11 | 11 | 12 | 12 | 12 | 13 | 12 | 9 | 8 | 7 | 6 | 6 | 5 | 4 | 3 |
| Dewpoint (°C) | -3 | -3 | -3 | -3 | -3 | -3 | -3 | -4 | -3 | -3 | -3 | -2 | -2 | -2 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 3 | 3 | 3 | 1 | 1 | 1 | 2 | 2 |
| Wind Dir | NW | N | N | N | S | S | S | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SSE | SSE | SSE | E | E |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 25 | 54 | 54 | 54 | 56 | 56 | 56 | 40 | 40 | 40 | 71 | 71 | 71 | 74 | 74 | 74 | 56 | 56 | 56 | 36 | 36 | 36 | 25 | 25 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 5 | 5 | 5 | 5 | 5 | 5 | 1 | 1 | 1 | 1 | 1 |
| Relative Humidity (%) | 81 | 81 | 79 | 68 | 57 | 49 | 43 | 39 | 40 | 38 | 38 | 38 | 39 | 39 | 38 | 42 | 49 | 54 | 58 | 61 | 64 | 66 | 68 | 73 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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