– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 3 am Tue 13 Jan Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 am Tue 13 Jan Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Tue 13 Jan Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Very mild (max 12°C on Thu night, min 4°C on Wed night). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Very mild (max 12°C on Fri morning, min 6°C on Sun night). Wind will be generally light. | |||||||||||||||||
Tuesday 13 | Wednesday 14 | Thursday 15 | Friday 16 | Saturday 17 | Sunday 18 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  |  | | | | | | | | | | | | |
rain shwrs | some clouds | clear | some clouds | rain shwrs | rain shwrs | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | clear | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
0.1 | — | — | — | 0.1 | 0.1 | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 7 | 10 | 11 | 10 | 6 | 5 | 7 | 10 | 12 | 12 | 12 | 12 | 10 | 10 | 8 | 8 | 8 | 7 |
min °C | 7 | 9 | 9 | 9 | 5 | 4 | 6 | 9 | 11 | 12 | 12 | 11 | 10 | 9 | 8 | 8 | 7 | 6 |
7 | 9 | 8 | 8 | 3 | 3 | 5 | 8 | 10 | 12 | 12 | 11 | 10 | 9 | 8 | 8 | 7 | 6 | |
3000 | 3450 | 3500 | 3050 | 2650 | 3400 | 3450 | 3400 | 3550 | 3650 | 3750 | 3700 | 3600 | 3600 | 3600 | 3550 | 3600 | 3400 | |
Cloud base (m) | 800 | 900 | 6400 | 2050 | 650 | 7300 | 9100 | |||||||||||
 | 7:56 | — | — | 7:56 | — | — | 7:54 | — | — | 7:54 | — | — | 7:52 | — | — | 7:52 | — | — |
 | — | 4:37 | — | — | 4:37 | — | — | 4:39 | — | — | 4:40 | — | — | 4:42 | — | — | 4:44 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Mostly dry. Very mild (max 12°C on Thu night, min 4°C on Wed night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Mostly dry. Very mild (max 12°C on Fri morning, min 6°C on Sun night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 1500 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.