– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 4 pm Wed 29 Apr Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Wed 29 Apr Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Wed 29 Apr Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Mild temperatures (max 5°C on Thu afternoon, min 3°C on Wed afternoon). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Very mild (max 11°C on Sun afternoon, min 6°C on Sat afternoon). Wind will be generally light. | ||||||||||||||||
Wed 29 | Thursday 30 | Friday 1 | Saturday 2 | Sunday 3 | Monday 4 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  | | |  |  |  |  | | | | | | | |
clear | clear | clear | some clouds | some clouds | clear | some clouds | light rain | rain shwrs | risk tstorm | risk tstorm | clear | some clouds | clear | clear | clear | clear | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | 0.2 | 0.1 | 0.7 | 0.1 | — | — | — | — | — | — | |
max °C | 4 | 4 | 4 | 5 | 5 | 4 | 5 | 5 | 5 | 7 | 9 | 10 | 11 | 11 | 10 | 11 | 10 |
min °C | 3 | 4 | 4 | 5 | 4 | 4 | 4 | 4 | 5 | 6 | 7 | 9 | 10 | 11 | 10 | 10 | 8 |
3 | 4 | 2 | 3 | 1 | 1 | 1 | 2 | 3 | 4 | 5 | 9 | 10 | 11 | 10 | 10 | 8 | |
2600 | 2700 | 2700 | 2800 | 2750 | 2650 | 2800 | 2850 | 2800 | 3000 | 3150 | 3350 | 3450 | 3450 | 3400 | 3550 | 3650 | |
Cloud base (m) | 2300 | 9300 | 7000 | 8000 | 2950 | 2850 | 2250 | 3350 | 8900 | 9150 | |||||||
 | — | — | 5:50 | — | — | 5:48 | — | — | 5:46 | — | — | 5:45 | — | — | 5:43 | — | — |
 | — | 8:19 | — | — | 8:21 | — | — | 8:22 | — | — | 8:23 | — | — | 8:24 | — | — | 8:25 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Mostly dry. Mild temperatures (max 5°C on Thu afternoon, min 3°C on Wed afternoon). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Mostly dry. Very mild (max 11°C on Sun afternoon, min 6°C on Sat afternoon). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 2134 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South 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.