| Point Forecast: Big Timber MT 45.84N 109.94W (Elev. 4199 ft) |
Last Update: 1:22 pm MDT Sep 13, 2026 |
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| Date | 09/13 | 09/14 | ||||||||||||||||||||||
| Hour (MDT) | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 |
| Temperature (°F) | 71 | 73 | 74 | 74 | 72 | 67 | 63 | 60 | 59 | 57 | 55 | 54 | 52 | 50 | 48 | 47 | 46 | 47 | 49 | 52 | 54 | 56 | 58 | 60 |
| Dewpoint (°F) | 42 | 41 | 40 | 40 | 41 | 40 | 40 | 39 | 41 | 42 | 43 | 44 | 44 | 43 | 42 | 42 | 41 | 41 | 39 | 38 | 36 | 35 | 35 | 35 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 13 | 15 | 17 | 20 | 22 | 23 | 24 | 25 | 26 | 29 | 32 | 34 | 37 | 38 | 38 | 37 | 36 |
| Wind Dir | ESE | ESE | SE | SE | SSE | SSW | SW | WSW | WSW | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W |
| Gust | 38 | 39 | 41 | 45 | 48 | 51 | 53 | 53 | 53 | 51 | ||||||||||||||
| Sky Cover (%) | 6 | 14 | 10 | 5 | 10 | 12 | 25 | 25 | 48 | 59 | 56 | 59 | 67 | 67 | 67 | 40 | 40 | 40 | 15 | 8 | 6 | 7 | 4 | 5 |
| Precipitation Potential (%) | 0 | 0 | 1 | 2 | 2 | 2 | 15 | 15 | 15 | 34 | 34 | 34 | 50 | 50 | 50 | 21 | 21 | 21 | 8 | 8 | 8 | 3 | 3 | 3 |
| Relative Humidity (%) | 35 | 31 | 29 | 29 | 33 | 37 | 43 | 45 | 52 | 57 | 65 | 69 | 75 | 78 | 81 | 84 | 84 | 80 | 68 | 58 | 51 | 45 | 42 | 39 |
| Rain | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 09/15 | |||||||||||||||||||||||
| Hour (MDT) | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 |
| Temperature (°F) | 62 | 63 | 62 | 65 | 62 | 59 | 55 | 52 | 50 | 48 | 46 | 45 | 43 | 41 | 40 | 40 | 38 | 41 | 45 | 49 | 54 | 58 | 62 | 65 |
| Dewpoint (°F) | 35 | 35 | 34 | 36 | 35 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 36 | 36 | 35 | 36 | 34 | 35 | 36 | 37 | 39 | 39 | 40 | 39 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 32 | 29 | 24 | 22 | 22 | 22 | 7 | 7 | 7 | 3 | 3 | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 9 | 9 | 9 |
| Wind Dir | W | W | WNW | WNW | WNW | WNW | W | W | W | W | W | W | NNW | NNW | NNW | N | N | N | ENE | ENE | ENE | E | E | E |
| Gust | 47 | 43 | ||||||||||||||||||||||
| Sky Cover (%) | 10 | 12 | 5 | 14 | 14 | 14 | 25 | 25 | 25 | 30 | 30 | 30 | 22 | 22 | 22 | 29 | 29 | 29 | 17 | 17 | 17 | 19 | 19 | 19 |
| Precipitation Potential (%) | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 37 | 35 | 35 | 34 | 37 | 43 | 50 | 56 | 61 | 66 | 70 | 72 | 77 | 81 | 82 | 84 | 84 | 79 | 71 | 64 | 57 | 50 | 44 | 38 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
