– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 10 pm Wed 03 Jun Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Wed 03 Jun Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Wed 03 Jun Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMild at first with light rain (total 6mm) on Wed night followed by colder weather and light fall of snow, heaviest on Fri night. Freeze-thaw conditions (max 6°C on Wed night, min -1°C on Fri night). Wind will be generally light. | Days 5–7 Weather SummaryDrizzle, on Mon night followed by colder weather and a moderate fall of snow, heaviest on Tue morning.. Freeze-thaw conditions (max 6°C on Mon night, min -1°C on Sat night). Wind will be generally light. | ||||||||||||||||||
Thursday 4 | Friday 5 | Saturday 6 | Sunday 7 | Monday 8 | Tuesday 9 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | | |  |  |  |  | | |  |  | | | |  |  |  | |  | |
rain shwrs | rain shwrs | rain shwrs | light rain | some clouds | light snow | mod. snow | light snow | light snow | light snow | cloudy | rain shwrs | light snow | light snow | light rain | rain shwrs | mod. snow | light snow | some clouds | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | — | — | — | — | 2 | 10 | 5 | 2 | 1 | — | — | 1 | 1 | — | — | 9 | 2 | — | |
4 | 1.2 | 0.2 | 0.1 | — | — | — | — | — | — | — | 0.3 | — | — | 0.6 | 0.9 | — | — | — | |
max °C | 6 | 3 | 5 | 5 | 1 | 2 | 1 | -1 | 0 | 1 | 0 | 3 | 4 | 2 | 5 | 6 | 1 | 1 | 2 |
min °C | 4 | 3 | 5 | 1 | 0 | 1 | -1 | -1 | 0 | -1 | -1 | 1 | 1 | 1 | 3 | 3 | 1 | 1 | 1 |
1 | 0 | 4 | -2 | -4 | -2 | -4 | -5 | -3 | -5 | -4 | -1 | -2 | -3 | 0 | 1 | -2 | -1 | 1 | |
2300 | 2000 | 2450 | 1950 | 1650 | 1750 | 1450 | 1300 | 1550 | 1500 | 1500 | 2000 | 1850 | 1800 | 2200 | 2300 | 1800 | 1750 | 1800 | |
Cloud base (m) | 650 | 650 | 1850 | 1500 | 850 | 800 | 550 | 550 | 700 | 900 | 550 | 750 | 1750 | 550 | 700 | 2550 | 550 | 550 | 900 |
 | — | 5:07 | — | — | 5:07 | — | — | 5:05 | — | — | 5:05 | — | — | 5:05 | — | — | 5:05 | — | — |
 | — | — | — | 9:04 | — | — | 9:05 | — | — | 9:06 | — | — | 9:07 | — | — | 9:07 | — | — | 9:07 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Mild at first with light rain (total 6mm) on Wed night followed by colder weather and light fall of snow, heaviest on Fri night. Freeze-thaw conditions (max 6°C on Wed night, min -1°C on Fri night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Drizzle, on Mon night followed by colder weather and a moderate fall of snow, heaviest on Tue morning.. Freeze-thaw conditions (max 6°C on Mon night, 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.