| Point Forecast: Alpine UT 40.45N 111.76W (Elev. 1523 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) | 27 | 26 | 27 | 26 | 22 | 21 | 20 | 19 | 18 | 18 | 17 | 17 | 17 | 16 | 14 | 14 | 13 | 15 | 19 | 21 | 22 | 23 | 24 | 24 |
| Dewpoint (°C) | 12 | 12 | 12 | 12 | 12 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 14 | 15 | 16 | 15 | 14 | 14 | 14 |
| Heat Index (°C) | 27 | 26 | 27 | 26 | 24 | 24 | ||||||||||||||||||
| Surface Wind (mph) | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 9 | 8 | 8 | 8 | 6 | 6 | 6 | 3 | 3 | 3 | 5 | 5 | 5 | 6 | 6 | 6 | 7 |
| Wind Dir | S | S | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | S | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 25 | 25 | 26 | 26 | 26 | 63 | 63 | 63 | 89 | 89 | 89 | 92 | 92 | 92 | 87 | 87 | 87 | 68 | 68 | 68 | 34 | 34 | 34 | 51 |
| Precipitation Potential (%) | 15 | 15 | 9 | 9 | 9 | 8 | 8 | 8 | 43 | 43 | 43 | 29 | 29 | 29 | 40 | 40 | 40 | 37 | 37 | 37 | 13 | 13 | 13 | 26 |
| Relative Humidity (%) | 38 | 41 | 41 | 44 | 51 | 55 | 59 | 62 | 66 | 68 | 70 | 74 | 75 | 77 | 82 | 88 | 94 | 95 | 78 | 74 | 66 | 60 | 54 | 51 |
| Rain | SChc | SChc | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | Chc |
| Thunder | SChc | SChc | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | 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) | 24 | 24 | 26 | 24 | 22 | 19 | 19 | 18 | 17 | 16 | 16 | 15 | 14 | 13 | 13 | 12 | 13 | 13 | 16 | 18 | 21 | 22 | 23 | 24 |
| Dewpoint (°C) | 14 | 14 | 15 | 15 | 14 | 13 | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 13 | 13 | 14 | 15 | 15 | 15 | 14 | 14 |
| Heat Index (°C) | 24 | 24 | 26 | 24 | 24 | |||||||||||||||||||
| Surface Wind (mph) | 7 | 7 | 7 | 7 | 7 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 6 | 6 | 6 | 5 | 5 | 5 | 6 | 6 | 6 | 6 |
| Wind Dir | S | S | ESE | ESE | ESE | ESE | ESE | ESE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SSE | SSE | SSE | S | S | S | SSW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 51 | 51 | 59 | 59 | 59 | 67 | 67 | 67 | 63 | 63 | 63 | 82 | 82 | 82 | 88 | 88 | 88 | 88 | 88 | 88 | 94 | 94 | 94 | 94 |
| Precipitation Potential (%) | 26 | 26 | 38 | 38 | 38 | 51 | 51 | 51 | 44 | 44 | 44 | 73 | 73 | 73 | 81 | 81 | 81 | 81 | 81 | 81 | 91 | 91 | 91 | 91 |
| Relative Humidity (%) | 51 | 53 | 51 | 55 | 62 | 66 | 69 | 71 | 72 | 74 | 75 | 76 | 82 | 85 | 90 | 94 | 99 | 100 | 93 | 81 | 70 | 63 | 58 | 55 |
| 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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