– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 10 am Wed 08 Apr Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Wed 08 Apr Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Wed 08 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 Thu night, min 0°C on Wed morning). Wind will be generally light. | Days 4–6 Weather SummaryDrizzle on Sun afternoon turning to light snow on Sun night. Freeze-thaw conditions (max 4°C on Sat night, min -1°C on Sun night). Wind will be generally light. | |||||||||||||||||
Wednesday 8 | Thursday 9 | Friday 10 | Saturday 11 | Sunday 12 | Monday 13 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | | |  | |  |  |  | | | |  |  | | | |
clear | clear | clear | clear | clear | clear | some clouds | some clouds | rain shwrs | cloudy | light rain | rain shwrs | light rain | light rain | light snow | light snow | light snow | light snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 2 | 2 | 1 | |
— | — | — | — | — | — | — | — | 0.1 | — | 0.2 | 0.1 | 0.1 | 0.7 | — | — | — | — | |
max °C | 1 | 3 | 4 | 5 | 8 | 9 | 8 | 8 | 6 | 3 | 3 | 4 | 2 | 2 | 2 | -1 | -1 | -1 |
min °C | 0 | 3 | 3 | 5 | 7 | 8 | 7 | 8 | 5 | 3 | 3 | 3 | 2 | 2 | -1 | -1 | -1 | -1 |
0 | 1 | 3 | 4 | 7 | 6 | 6 | 7 | 5 | 3 | 3 | 3 | 2 | 0 | -5 | -4 | -4 | -5 | |
1700 | 2100 | 2300 | 2400 | 2650 | 2700 | 2550 | 2550 | 2400 | 2050 | 2100 | 2150 | 1900 | 1850 | 1650 | 1350 | 1350 | 1350 | |
Cloud base (m) | 8950 | 9200 | 9250 | 8950 | 2700 | 2350 | 750 | 550 | 1750 | 750 | 600 | 550 | 600 | 600 | 600 | |||
 | 6:31 | — | — | 6:28 | — | — | 6:26 | — | — | 6:24 | — | — | 6:22 | — | — | 6:20 | — | — |
 | — | 7:47 | — | — | 7:50 | — | — | 7:51 | — | — | 7:52 | — | — | 7:53 | — | — | 7:55 | — |
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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 Thu night, min 0°C on Wed morning). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Drizzle on Sun afternoon turning to light snow on Sun night. Freeze-thaw conditions (max 4°C on Sat night, min -1°C on Sun 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.