– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 4 pm Sun 03 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Sun 03 May Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Sun 03 May 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 16°C on Sun night, min 8°C on Wed morning). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Mild temperatures (max 9°C on Wed afternoon, min 2°C on Fri night). Wind will be generally light. | ||||||||||||||||
Sun 3 | Monday 4 | Tuesday 5 | Wednesday 6 | Thursday 7 | Friday 8 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | | | | | | |  | | | |  |  | |  | |
clear | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | clear | some clouds | some clouds | some clouds | cloudy | cloudy | light rain | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 0.6 | |
max °C | 15 | 16 | 14 | 14 | 14 | 10 | 12 | 12 | 8 | 9 | 8 | 5 | 7 | 7 | 5 | 4 | 2 |
min °C | 15 | 15 | 13 | 14 | 11 | 10 | 12 | 9 | 8 | 8 | 5 | 4 | 7 | 6 | 4 | 3 | 2 |
15 | 15 | 13 | 14 | 11 | 10 | 12 | 8 | 7 | 6 | 3 | 4 | 6 | 4 | 1 | 0 | 0 | |
3400 | 3500 | 3450 | 3500 | 3450 | 3450 | 3500 | 3450 | 3350 | 3100 | 2600 | 3150 | 3100 | 3050 | 2150 | 2000 | 1950 | |
Cloud base (m) | 9350 | 9100 | 9000 | 6500 | 1750 | 1850 | 5350 | 4750 | 2100 | 600 | |||||||
 | — | — | 5:43 | — | — | 5:41 | — | — | 5:39 | — | — | 5:37 | — | — | 5:37 | — | — |
 | — | 8:24 | — | — | 8:25 | — | — | 8:28 | — | — | 8:29 | — | — | 8:30 | — | — | 8:31 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Mostly dry. Very mild (max 16°C on Sun night, min 8°C on Wed morning). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Mostly dry. Mild temperatures (max 9°C on Wed afternoon, min 2°C on Fri 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.