– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 9 pm Sat 27 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 pm Sat 27 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Sat 27 Dec 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 7°C on Tue morning, min -8°C on Sat night). Wind will be generally light. | Days 5–7 Weather SummaryLight rain (total 3mm), mostly falling on Fri morning. Mild temperatures (max 8°C on Wed night, min 1°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 31 | Thursday 1 | Friday 2 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | | |  |  | | | | | | | | |  |  |  |  | |
some clouds | some clouds | some clouds | some clouds | some clouds | cloudy | clear | some clouds | cloudy | some clouds | some clouds | some clouds | some clouds | some clouds | cloudy | cloudy | light rain | rain shwrs | light rain | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 0.2 | 0.5 | |
max °C | -6 | -4 | -2 | -1 | 1 | 1 | 5 | 7 | 7 | 7 | 7 | 7 | 8 | 6 | 5 | 4 | 3 | 4 | 6 |
min °C | -8 | -5 | -3 | -2 | 1 | 1 | 2 | 7 | 7 | 6 | 6 | 7 | 6 | 5 | 4 | 1 | 2 | 4 | 5 |
-11 | -8 | -6 | -5 | -1 | -1 | 1 | 6 | 5 | 4 | 4 | 6 | 4 | 2 | 2 | -2 | -2 | 1 | 2 | |
0 | 400 | 750 | 700 | 1700 | 1700 | 2750 | 2900 | 3050 | 2800 | 3050 | 3050 | 2950 | 2650 | 2400 | 1950 | 1950 | 2100 | 2350 | |
Cloud base (m) | 1850 | 850 | 750 | 850 | 850 | 850 | 600 | 1000 | 1650 | 6100 | 6000 | 4900 | 2750 | 2600 | 650 | 650 | 1950 | ||
 | — | 8:00 | — | — | 8:00 | — | — | 8:00 | — | — | 8:00 | — | — | 8:00 | — | — | 8:00 | — | — |
 | — | — | 4:17 | — | — | 4:19 | — | — | 4:20 | — | — | 4:21 | — | — | 4:22 | — | — | 4:22 | — |
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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 7°C on Tue morning, min -8°C on Sat night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Light rain (total 3mm), mostly falling on Fri morning. Mild temperatures (max 8°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 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.