| Point Forecast: Big Timber MT 45.84N 109.94W (Elev. 1280 m) |
Last Update: 2:55 am MDT Jul 16, 2026 |
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| Date | 07/16 | 07/17 | ||||||||||||||||||||||
| 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) | 16 | 16 | 16 | 18 | 21 | 24 | 26 | 27 | 29 | 31 | 31 | 31 | 31 | 30 | 29 | 29 | 26 | 24 | 23 | 22 | 21 | 19 | 18 | 17 |
| Dewpoint (°C) | 14 | 14 | 15 | 15 | 16 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 15 | 15 | 15 | 14 | 15 | 15 | 15 | 15 | 15 | 14 | 14 |
| Heat Index (°C) | 24 | 26 | 28 | 29 | 31 | 30 | 31 | 32 | 30 | 29 | 28 | 27 | 24 | |||||||||||
| Surface Wind (mph) | 2 | 2 | 1 | 1 | 1 | 3 | 6 | 8 | 9 | 10 | 10 | 10 | 11 | 11 | 9 | 8 | 6 | 5 | 3 | 2 | 2 | 1 | 1 | 1 |
| Wind Dir | SW | WSW | SSW | SE | E | E | E | E | E | E | E | ESE | SE | SE | ESE | NNE | NNE | NNE | NNE | N | WNW | NW | N | N |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 30 | 12 | 31 | 22 | 10 | 8 | 5 | 11 | 14 | 22 | 66 | 59 | 60 | 51 | 59 | 56 | 58 | 42 | 56 | 50 | 61 | 50 | 47 | 48 |
| Precipitation Potential (%) | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 6 | 7 | 12 | 21 | 27 | 31 | 44 | 38 | 41 | 24 | 18 | 22 | 21 | 13 | 9 | 3 | 3 |
| Relative Humidity (%) | 92 | 92 | 92 | 82 | 73 | 67 | 59 | 52 | 47 | 43 | 40 | 40 | 40 | 41 | 41 | 44 | 49 | 57 | 62 | 66 | 70 | 74 | 78 | 82 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- |
| Date | 07/18 | |||||||||||||||||||||||
| 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) | 17 | 16 | 17 | 19 | 21 | 24 | 26 | 28 | 30 | 31 | 32 | 32 | 31 | 30 | 29 | 28 | 26 | 24 | 23 | 22 | 21 | 19 | 18 | 17 |
| Dewpoint (°C) | 14 | 14 | 15 | 15 | 15 | 17 | 17 | 17 | 17 | 16 | 15 | 16 | 14 | 16 | 16 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 15 | 14 |
| Heat Index (°C) | 24 | 27 | 28 | 30 | 31 | 31 | 32 | 31 | 30 | 29 | 28 | 27 | 24 | |||||||||||
| Surface Wind (mph) | 0 | 0 | 0 | 0 | 5 | 5 | 5 | 8 | 8 | 8 | 9 | 9 | 9 | 7 | 7 | 7 | 5 | 5 | 5 | 2 | 2 | 2 | 2 | 2 |
| Wind Dir | NNW | NNE | NNE | NNE | ENE | ENE | ENE | E | E | E | ESE | ESE | ESE | ESE | ESE | ESE | SSE | SSE | SSE | W | W | W | WSW | WSW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 45 | 56 | 56 | 56 | 43 | 43 | 43 | 49 | 49 | 49 | 76 | 76 | 76 | 72 | 72 | 72 | 78 | 78 | 78 | 73 | 73 | 73 | 56 | 56 |
| Precipitation Potential (%) | 4 | 2 | 2 | 2 | 1 | 1 | 1 | 21 | 21 | 21 | 28 | 28 | 28 | 58 | 58 | 58 | 58 | 58 | 58 | 21 | 21 | 21 | 21 | 21 |
| Relative Humidity (%) | 83 | 85 | 85 | 76 | 69 | 64 | 57 | 50 | 44 | 40 | 37 | 37 | 37 | 41 | 43 | 46 | 51 | 59 | 64 | 69 | 73 | 77 | 81 | 85 |
| Rain | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | SChc | SChc | SChc | SChc | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- |


