– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 10 pm Fri 29 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Fri 29 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Fri 29 Aug 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 14°C on Sun night, min 11°C on Fri night). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Warm (max 20°C on Wed night, min 15°C on Mon night). Wind will be generally light. | ||||||||||||||||||
Saturday 30 | Sunday 31 | Monday 1 | Tuesday 2 | Wednesday 3 | Thursday 4 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | |  | | | | | | | | | | | | | |
risk tstorm | clear | some clouds | some clouds | some clouds | clear | clear | clear | some clouds | clear | clear | clear | clear | clear | clear | clear | clear | clear | risk tstorm | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
0.1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | |
max°C | 13 | 11 | 12 | 13 | 13 | 13 | 14 | 13 | 14 | 15 | 16 | 18 | 19 | 18 | 19 | 20 | 18 | 17 | 17 |
min°C | 11 | 11 | 12 | 12 | 13 | 13 | 13 | 12 | 14 | 15 | 15 | 16 | 18 | 18 | 18 | 18 | 17 | 17 | 14 |
10 | 10 | 11 | 11 | 12 | 12 | 12 | 10 | 13 | 14 | 14 | 16 | 18 | 18 | 18 | 18 | 17 | 17 | 14 | |
3950 | 3950 | 3950 | 4000 | 4150 | 4150 | 4250 | 4350 | 4400 | 4400 | 4650 | 4750 | 4750 | 4750 | 4800 | 4800 | 4700 | 4650 | 4550 | |
Cloud base (m) | 7000 | 5550 | 4450 | 5300 | 4650 | 4700 | 9050 | 8750 | 9600 | 5200 | 5250 | 5050 | |||||||
 | — | 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 14°C on Sun night, min 11°C on Fri night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Mostly dry. Warm (max 20°C on Wed night, min 15°C on Mon night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 2134 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.