– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 4 pm Wed 10 Jun Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Wed 10 Jun Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Wed 10 Jun Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummarySome drizzle, heaviest during Wed afternoon. Very mild (max 14°C on Sat morning, min 2°C on Wed afternoon). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Very mild (max 19°C on Sun afternoon, min 11°C on Tue morning). Wind will be generally light. | ||||||||||||||||
Wed 10 | Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | | | | | | | | |  |  | | | |
rain shwrs | rain shwrs | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | some clouds | some clouds | clear | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
1.1 | 0.1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 4 | 4 | 5 | 8 | 8 | 7 | 11 | 13 | 14 | 16 | 17 | 17 | 19 | 19 | 18 | 19 | 19 |
min °C | 2 | 3 | 3 | 8 | 6 | 6 | 10 | 12 | 13 | 16 | 16 | 17 | 18 | 18 | 18 | 19 | 15 |
0 | 2 | 3 | 7 | 5 | 5 | 9 | 12 | 13 | 16 | 16 | 17 | 18 | 18 | 18 | 19 | 14 | |
2550 | 2900 | 2800 | 2800 | 2800 | 2900 | 3000 | 3150 | 3350 | 3550 | 3850 | 4150 | 4350 | 4450 | 4600 | 4650 | 4600 | |
Cloud base (m) | 800 | 2150 | 8900 | 2350 | 8950 | 3100 | 8100 | 9200 | 9450 | 9500 | 6750 | 6300 | |||||
 | — | — | 5:05 | — | — | 5:03 | — | — | 5:03 | — | — | 5:03 | — | — | 5:03 | — | — |
 | — | 9:08 | — | — | 9:09 | — | — | 9:09 | — | — | 9:10 | — | — | 9:10 | — | — | 9:12 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Some drizzle, heaviest during Wed afternoon. Very mild (max 14°C on Sat morning, min 2°C on Wed afternoon). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Mostly dry. Very mild (max 19°C on Sun afternoon, min 11°C on Tue 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.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
|---|---|---|---|---|---|
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* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.