– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 4 pm Fri 12 Jun Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Fri 12 Jun Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Fri 12 Jun Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Very mild (max 19°C on Sun night, min 9°C on Fri afternoon). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Very mild (max 16°C on Mon afternoon, min 6°C on Wed morning). Wind will be generally light. | ||||||||||||||||
Fri 12 | Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | | |  |  | | | | | | | | | |
rain shwrs | clear | clear | clear | clear | clear | clear | some clouds | some clouds | some clouds | some clouds | some clouds | clear | clear | clear | clear | clear | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
0.1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 11 | 12 | 13 | 15 | 16 | 17 | 18 | 19 | 17 | 16 | 15 | 8 | 9 | 10 | 8 | 11 | 11 |
min °C | 9 | 11 | 13 | 15 | 16 | 16 | 18 | 18 | 16 | 16 | 9 | 8 | 8 | 7 | 6 | 11 | 11 |
8 | 10 | 13 | 15 | 16 | 16 | 18 | 18 | 16 | 16 | 6 | 5 | 5 | 6 | 5 | 10 | 11 | |
3000 | 3400 | 3450 | 3750 | 3850 | 4000 | 4300 | 4500 | 4300 | 4300 | 3950 | 3500 | 3500 | 3400 | 3600 | 3700 | 3850 | |
Cloud base (m) | 2250 | 8750 | 5250 | 3500 | 900 | ||||||||||||
 | — | — | 5:03 | — | — | 5:03 | — | — | 5:03 | — | — | 5:03 | — | — | 5:03 | — | — |
 | — | 9:09 | — | — | 9:10 | — | — | 9:10 | — | — | 9:12 | — | — | 9:12 | — | — | 9:13 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Mostly dry. Very mild (max 19°C on Sun night, min 9°C on Fri afternoon). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Mostly dry. Very mild (max 16°C on Mon afternoon, min 6°C on Wed morning). 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.