| Point Forecast: Alta UT 40.6N 111.64W (Elev. 2987 m) |
Last Update: 12:31 pm MDT Sep 16, 2026 |
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| Date | 09/16 | 09/17 | ||||||||||||||||||||||
| Hour (MDT) | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 |
| Temperature (°C) | 16 | 15 | 16 | 15 | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 9 | 9 | 9 | 11 | 12 | 12 | 13 | 13 | 14 |
| Dewpoint (°C) | 4 | 4 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 7 | 7 | 7 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 8 | 8 | 8 | 8 | 8 | 10 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 7 |
| Wind Dir | SSW | SSW | SSE | SSE | SSE | SSE | SSE | SSE | SE | SE | SE | SSE | SSE | SSE | SE | SE | SE | SSE | SSE | SSE | S | S | S | SSW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 28 | 28 | 19 | 19 | 19 | 56 | 56 | 56 | 83 | 83 | 83 | 89 | 89 | 89 | 87 | 87 | 87 | 70 | 70 | 70 | 51 | 51 | 51 | 57 |
| Precipitation Potential (%) | 16 | 16 | 11 | 11 | 11 | 6 | 6 | 6 | 38 | 38 | 38 | 36 | 36 | 36 | 53 | 53 | 53 | 37 | 37 | 37 | 27 | 27 | 27 | 36 |
| Relative Humidity (%) | 44 | 50 | 49 | 52 | 57 | 64 | 67 | 70 | 74 | 75 | 75 | 77 | 78 | 81 | 82 | 87 | 88 | 85 | 78 | 75 | 73 | 70 | 66 | 62 |
| Rain | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc |
| Thunder | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc |
| Date | 09/18 | |||||||||||||||||||||||
| Hour (MDT) | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 |
| Temperature (°C) | 14 | 14 | 14 | 13 | 13 | 11 | 11 | 11 | 11 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 9 | 10 | 11 | 12 | 12 | 13 |
| Dewpoint (°C) | 7 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 7 | 6 | 6 | 7 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 7 | 7 | 8 | 8 | 8 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 7 | 7 | 7 | 6 |
| Wind Dir | SSW | SSW | SSE | SSE | SSE | SSE | SSE | SSE | S | S | S | SSE | SSE | SSE | S | S | S | S | S | S | SSW | SSW | SSW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 57 | 57 | 64 | 64 | 64 | 62 | 62 | 62 | 55 | 55 | 55 | 81 | 81 | 81 | 88 | 88 | 88 | 88 | 88 | 88 | 95 | 95 | 95 | 95 |
| Precipitation Potential (%) | 36 | 36 | 46 | 46 | 46 | 43 | 43 | 43 | 33 | 33 | 33 | 71 | 71 | 71 | 82 | 82 | 82 | 82 | 82 | 82 | 92 | 92 | 92 | 92 |
| Relative Humidity (%) | 63 | 66 | 64 | 64 | 67 | 75 | 77 | 77 | 77 | 77 | 79 | 76 | 83 | 85 | 86 | 92 | 93 | 91 | 87 | 82 | 76 | 71 | 67 | 65 |
| Rain | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl |
| Thunder | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc |
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