– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 10 am Sat 30 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Sat 30 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Sat 30 Aug 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 18°C on Sat night, min 14°C on Sat morning). Wind will be generally light. | Days 4–6 Weather SummaryLight rain (total 2mm), mostly falling on Thu morning. Warm (max 23°C on Wed night, min 18°C on Tue morning). Wind will be generally light. | |||||||||||||||||
Saturday 30 | Sunday 31 | Monday 1 | Tuesday 2 | Wednesday 3 | Thursday 4 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  |  | | | | | | | | |  | | | | |
clear | clear | clear | rain shwrs | some clouds | risk tstorm | clear | clear | clear | some clouds | clear | clear | clear | clear | rain shwrs | rain shwrs | clear | clear | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | 0.1 | — | 0.1 | — | — | — | — | — | — | — | — | 0.8 | 1.7 | — | — | |
max°C | 14 | 16 | 18 | 17 | 17 | 17 | 15 | 17 | 18 | 19 | 22 | 22 | 22 | 22 | 23 | 20 | 19 | 20 |
min°C | 14 | 16 | 17 | 17 | 17 | 14 | 14 | 16 | 17 | 18 | 20 | 22 | 21 | 22 | 20 | 20 | 19 | 19 |
14 | 16 | 17 | 17 | 17 | 14 | 14 | 16 | 17 | 18 | 20 | 22 | 21 | 22 | 20 | 20 | 19 | 19 | |
3950 | 3950 | 3900 | 4050 | 4100 | 4150 | 4200 | 4250 | 4300 | 4500 | 4600 | 4650 | 4700 | 4650 | 4600 | 4450 | 4450 | 4350 | |
Cloud base (m) | 4450 | 4450 | 4550 | 4950 | 4750 | 9050 | 8550 | 8600 | 4850 | 4900 | 9300 | 6850 | ||||||
 | 6:20 | — | — | 6:22 | — | — | 6:24 | — | — | 6:24 | — | — | 6:26 | — | — | 6:28 | — | — |
 | — | 7:53 | — | — | 7:52 | — | — | 7:50 | — | — | 7:47 | — | — | 7:45 | — | — | 7:44 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Mostly dry. Very mild (max 18°C on Sat night, min 14°C on Sat morning). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Light rain (total 2mm), mostly falling on Thu morning. Warm (max 23°C on Wed night, min 18°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.