– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 4 pm Tue 04 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Tue 04 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Tue 04 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 16°C on Wed night, min 12°C on Tue afternoon). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Very mild (max 13°C on Fri afternoon, min 10°C on Sat morning). Wind will be generally light. | ||||||||||||||||
Tue 4 | Wednesday 5 | Thursday 6 | Friday 7 | Saturday 8 | Sunday 9 | ||||||||||||
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 | clear | clear | some clouds | clear | clear | clear | some clouds | some clouds | |
Cloud base (m) | 7850 | 8950 | |||||||||||||||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 13 | 13 | 13 | 15 | 16 | 14 | 15 | 15 | 13 | 13 | 12 | 10 | 11 | 11 | 10 | 12 | 12 |
min °C | 12 | 13 | 13 | 15 | 14 | 14 | 15 | 13 | 12 | 12 | 11 | 10 | 11 | 10 | 10 | 12 | 11 |
chill °C | 12 | 13 | 13 | 15 | 13 | 14 | 15 | 12 | 11 | 10 | 9 | 8 | 10 | 9 | 10 | 12 | 11 |
Freezing level m | 4150 | 4300 | 4400 | 4500 | 4550 | 4450 | 4550 | 4500 | 4350 | 4100 | 4200 | 4000 | 4000 | 4150 | 4200 | 4300 | 4400 |
 | — | — | 5:46 | — | — | 5:48 | — | — | 5:48 | — | — | 5:50 | — | — | 5:52 | — | — |
 | — | 8:40 | — | — | 8:39 | — | — | 8:37 | — | — | 8:37 | — | — | 8:35 | — | — | 8:32 |
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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 Wed night, min 12°C on Tue afternoon). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Mostly dry. Very mild (max 13°C on Fri afternoon, min 10°C on Sat morning). 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.