– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 4 pm Sun 31 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Sun 31 May Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Sun 31 May Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryLight rain (total 2mm), mostly falling on Wed morning. Very mild (max 16°C on Tue afternoon, min 6°C on Sun afternoon). Wind will be generally light. | Days 5–7 Weather SummaryLight rain (total 4mm), mostly falling on Wed afternoon. Freeze-thaw conditions (max 7°C on Wed afternoon, min 0°C on Fri night). Wind will be generally light. | ||||||||||||||||
Sun 31 | Monday 1 | Tuesday 2 | Wednesday 3 | Thursday 4 | Friday 5 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | |  |  | | |  |  |  |  | | | | | | |
some clouds | clear | some clouds | some clouds | some clouds | clear | clear | some clouds | light rain | rain shwrs | rain shwrs | cloudy | rain shwrs | rain shwrs | some clouds | light rain | rain shwrs | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | 2 | 2 | 0.5 | — | 0.4 | 0.2 | — | 0.3 | 0.4 | |
max °C | 7 | 9 | 10 | 13 | 14 | 14 | 16 | 15 | 10 | 7 | 7 | 3 | 5 | 5 | 2 | 3 | 2 |
min °C | 6 | 7 | 9 | 12 | 13 | 13 | 15 | 13 | 8 | 7 | 4 | 3 | 4 | 3 | 1 | 3 | 0 |
4 | 6 | 8 | 12 | 12 | 13 | 15 | 12 | 6 | 6 | 4 | 1 | 2 | 0 | -1 | 0 | -5 | |
2650 | 2800 | 3000 | 3000 | 3050 | 3050 | 3350 | 3250 | 2750 | 2600 | 2450 | 2300 | 2450 | 2250 | 1800 | 1900 | 1550 | |
Cloud base (m) | 2100 | 8600 | 7050 | 6950 | 8150 | 8950 | 2150 | 800 | 2300 | 850 | 700 | 1850 | 1550 | 1650 | 650 | ||
 | — | — | 5:09 | — | — | 5:09 | — | — | 5:07 | — | — | 5:07 | — | — | 5:07 | — | — |
 | — | 9:00 | — | — | 9:01 | — | — | 9:02 | — | — | 9:04 | — | — | 9:04 | — | — | 9:05 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Light rain (total 2mm), mostly falling on Wed morning. Very mild (max 16°C on Tue afternoon, min 6°C on Sun afternoon). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Light rain (total 4mm), mostly falling on Wed afternoon. Freeze-thaw conditions (max 7°C on Wed afternoon, min 0°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.