– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 4 pm Sun 26 Apr Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Sun 26 Apr Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Sun 26 Apr Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Freeze-thaw conditions (max 1°C on Wed morning, min -3°C on Mon night). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Freeze-thaw conditions (max 5°C on Wed night, min -1°C on Thu night). Wind will be generally light. | ||||||||||||||||
Sun 26 | Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | Friday 1 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | | |  |  | | | | | | | | | |
some clouds | clear | cloudy | some clouds | cloudy | cloudy | cloudy | some clouds | clear | clear | some clouds | some clouds | some clouds | some clouds | cloudy | cloudy | some clouds | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -1 | -1 | -2 | -1 | -2 | -3 | -3 | -1 | 1 | 4 | 5 | 3 | 3 | 1 | -1 | -1 | 0 |
min °C | -1 | -2 | -2 | -1 | -3 | -3 | -3 | -2 | 0 | 3 | 3 | 2 | 2 | -1 | -1 | -1 | -1 |
-4 | -5 | -5 | -5 | -6 | -6 | -6 | -5 | -3 | 3 | -1 | -3 | -2 | -5 | -1 | -1 | -1 | |
2000 | 1950 | 1800 | 1950 | 1650 | 1500 | 1600 | 1900 | 2350 | 2850 | 2700 | 2400 | 2400 | 2000 | 1850 | 1950 | 2100 | |
Cloud base (m) | 2300 | 2100 | 1600 | 650 | 600 | 600 | 800 | 1600 | 2150 | 2650 | 2500 | 2050 | 650 | 700 | 850 | ||
 | — | — | 5:54 | — | — | 5:52 | — | — | 5:50 | — | — | 5:50 | — | — | 5:48 | — | — |
 | — | 8:15 | — | — | 8:15 | — | — | 8:17 | — | — | 8:19 | — | — | 8:21 | — | — | 8:22 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Mostly dry. Freeze-thaw conditions (max 1°C on Wed morning, min -3°C on Mon night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Mostly dry. Freeze-thaw conditions (max 5°C on Wed night, min -1°C on Thu 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.