– Lat/Long: 48.71° N 121.99° W
North Twin Sister 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 North Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Mild temperatures (max 7°C on Tue night, min 1°C on Mon morning). Wind will be generally light. | Days 5–7 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 7°C on Wed afternoon, min -4°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 | 3 | 4 | 2 | 1 | 3 | 4 | 6 | 7 | 7 | 7 | 7 | 2 | -1 | -3 | -4 | -2 | 1 |
min °C | 2 | 3 | 1 | 1 | 2 | 4 | 5 | 7 | 7 | 7 | 4 | 1 | -2 | -4 | -4 | -3 | -1 |
chill °C | 1 | -1 | -3 | -2 | 2 | 3 | 3 | 6 | 4 | 4 | 0 | -3 | -8 | -10 | -10 | -7 | -4 |
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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North Twin Sister Weather (Days 0-3):
The weather forecast for North Twin Sister is: Mostly dry. Mild temperatures (max 7°C on Tue night, min 1°C on Mon morning). Wind will be generally light.
North Twin Sister Weather (Days 3-6):
A dusting of new snow. Freeze-thaw conditions (max 7°C on Wed afternoon, min -4°C on Thu night). Wind will be generally light.
This table gives the weather forecast for North Twin Sister at the specific elevation of 2024 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of North Twin Sister. 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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