– Lat/Long: 48.70° N 121.99° W
Twin Sisters Mountain Weather Forecast
Cascade Range · United StatesIssued: 4 pm Sun 18 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Sun 18 Oct Local Time
Updates in:
Update imminent hr min s
3 Twin Sisters Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Very mild (max 11°C on Tue night, min 4°C on Sun afternoon). Wind will be generally light. | Days 5–7 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 11°C on Wed afternoon, min -1°C on Thu night). Wind will be generally light. | ||||||||||||||||
Sun 18 | Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | Friday 23 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | |  |  | | | | | |  |  | | | | | |
some clouds | some clouds | some clouds | some clouds | clear | clear | clear | clear | clear | clear | some clouds | cloudy | snow shwrs | some clouds | clear | some clouds | clear | |
Cloud base (m) | 6800 | 5350 | 2800 | 4400 | 8950 | 1800 | 900 | 900 | 950 | ||||||||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 5 | 7 | 5 | 4 | 6 | 7 | 10 | 11 | 11 | 11 | 10 | 5 | 2 | 0 | -1 | 0 | 3 |
min °C | 4 | 6 | 4 | 4 | 5 | 7 | 8 | 10 | 10 | 11 | 7 | 4 | 1 | -1 | -1 | 0 | 1 |
chill °C | 4 | 4 | 2 | 4 | 5 | 6 | 7 | 10 | 10 | 10 | 5 | 1 | -3 | -5 | -4 | 0 | 1 |
Freezing level m | 2700 | 2600 | 2200 | 2200 | 2500 | 2800 | 2900 | 3000 | 3000 | 3000 | 2800 | 2250 | 1700 | 1500 | 1350 | 1500 | 2250 |
 | — | — | 7:33 | — | — | 7:35 | — | — | 7:35 | — | — | 7:37 | — | — | 7:39 | — | — |
 | 6:13 | — | — | 6:10 | — | — | 6:08 | — | — | 6:07 | — | — | 6:05 | — | — | 6:02 | — |
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Twin Sisters Mountain Weather (Days 0-3):
The weather forecast for Twin Sisters Mountain is: Mostly dry. Very mild (max 11°C on Tue night, min 4°C on Sun afternoon). Wind will be generally light.
Twin Sisters Mountain Weather (Days 3-6):
A dusting of new snow. Freeze-thaw conditions (max 11°C on Wed afternoon, min -1°C on Thu night). Wind will be generally light.
This table gives the weather forecast for Twin Sisters Mountain at the specific elevation of 1500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Twin Sisters Mountain. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.
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