– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 10 pm Sat 06 Jun Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Sat 06 Jun Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Sat 06 Jun Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA dusting of snow giving way to moderate rain (total 15mm) heaviest on Tue morning. Freeze-thaw conditions (max 5°C on Mon morning, min 0°C on Sat night). Wind will be generally light. | Days 5–7 Weather SummaryA light covering of new snow mostly falling on Tue night. Freeze-thaw conditions (max 10°C on Fri afternoon, min 0°C on Tue night). Wind will be generally light. | ||||||||||||||||||
Sunday 7 | Monday 8 | Tuesday 9 | Wednesday 10 | Thursday 11 | Friday 12 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  |  |  |  |  | | | |  | |  | | | | |
snow shwrs | cloudy | rain shwrs | rain shwrs | cloudy | light rain | mod. rain | mod. rain | light snow | light snow | cloudy | rain shwrs | rain shwrs | clear | clear | clear | clear | clear | clear | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
1 | — | — | — | — | — | — | — | 1 | 5 | — | — | — | — | — | — | — | — | — | |
— | — | 0.6 | 0.1 | — | 0.9 | 6 | 6 | 0.8 | — | — | 0.4 | 0.1 | — | — | — | — | — | — | |
max °C | 1 | 0 | 3 | 3 | 5 | 5 | 4 | 2 | 2 | 0 | 1 | 4 | 5 | 6 | 9 | 8 | 8 | 10 | 10 |
min °C | 0 | 0 | 1 | 3 | 3 | 4 | 2 | 2 | 2 | 0 | 0 | 2 | 4 | 4 | 8 | 7 | 7 | 9 | 10 |
-2 | -3 | -1 | 3 | 1 | 2 | -1 | -1 | -2 | -5 | -3 | 0 | 3 | 4 | 7 | 6 | 6 | 7 | 9 | |
1500 | 1500 | 1950 | 2100 | 2200 | 2200 | 2000 | 1850 | 1850 | 1500 | 1750 | 2900 | 2850 | 2800 | 2850 | 2800 | 2800 | 3000 | 3100 | |
Cloud base (m) | 800 | 600 | 700 | 2800 | 1650 | 550 | 550 | 600 | 600 | 600 | 750 | 2250 | 2350 | 2800 | 2700 | 2400 | 2500 | ||
 | — | 5:05 | — | — | 5:05 | — | — | 5:05 | — | — | 5:05 | — | — | 5:05 | — | — | 5:03 | — | — |
 | — | — | — | 9:07 | — | — | 9:07 | — | — | 9:07 | — | — | 9:08 | — | — | 9:09 | — | — | 9:09 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: A dusting of snow giving way to moderate rain (total 15mm) heaviest on Tue morning. Freeze-thaw conditions (max 5°C on Mon morning, min 0°C on Sat night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
A light covering of new snow mostly falling on Tue night. Freeze-thaw conditions (max 10°C on Fri afternoon, min 0°C on Tue 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.