– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 10 am Mon 06 Apr Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Mon 06 Apr Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Mon 06 Apr Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Freeze-thaw conditions (max 9°C on Mon morning, min -4°C on Tue morning). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Mild temperatures (max 8°C on Fri afternoon, min 1°C on Sat night). Wind will be generally light. | |||||||||||||||||
Monday 6 | Tuesday 7 | Wednesday 8 | Thursday 9 | Friday 10 | Saturday 11 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  | | | | | | | | | | | | | |
some clouds | rain shwrs | some clouds | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | clear | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | 0.1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 9 | 8 | 5 | -3 | -1 | -1 | -1 | 2 | 2 | 3 | 6 | 7 | 6 | 8 | 7 | 4 | 5 | 4 |
min °C | 8 | 7 | -3 | -4 | -2 | -1 | -2 | 1 | 1 | 3 | 6 | 6 | 6 | 7 | 5 | 4 | 5 | 1 |
6 | 4 | -8 | -6 | -6 | -1 | -2 | -1 | -1 | 2 | 6 | 5 | 5 | 6 | 3 | 2 | 3 | -1 | |
2700 | 2500 | 1450 | 1100 | 1400 | 1200 | 1400 | 1850 | 1900 | 2100 | 2450 | 2600 | 2700 | 2800 | 2600 | 2300 | 2250 | 1950 | |
Cloud base (m) | 6100 | 5000 | 2050 | 850 | 8900 | 6550 | 1950 | 8700 | 2100 | |||||||||
 | 6:35 | — | — | 6:33 | — | — | 6:31 | — | — | 6:28 | — | — | 6:26 | — | — | 6:24 | — | — |
 | — | 7:45 | — | — | 7:46 | — | — | 7:47 | — | — | 7:50 | — | — | 7:51 | — | — | 7:52 | — |
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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 9°C on Mon morning, min -4°C on Tue morning). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Mostly dry. Mild temperatures (max 8°C on Fri afternoon, min 1°C on Sat 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.