– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 9 pm Fri 30 Jan Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 pm Fri 30 Jan Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Fri 30 Jan Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA heavy fall of snow, heaviest during Sun morning. Freeze-thaw conditions (max 2°C on Fri night, min -5°C on Sun night). Winds decreasing (near gales from the S on Sat night, light winds from the WSW by Mon afternoon). | Days 5–7 Weather SummaryMostly dry. Freeze-thaw conditions (max 7°C on Wed morning, min -1°C on Mon night). Wind will be generally light. | ||||||||||||||||||
Saturday 31 | Sunday 1 | Monday 2 | Tuesday 3 | Wednesday 4 | Thursday 5 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | | | | |  |  |  |  | |  |  | | | | |
snow shwrs | light snow | some clouds | light snow | heavy snow | light snow | light snow | light snow | some clouds | some clouds | cloudy | light rain | rain shwrs | some clouds | clear | clear | clear | clear | clear | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
1 | 3 | — | 3 | 16 | 3 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | 0.1 | 0.1 | — | — | — | — | — | — | |
max °C | 2 | 2 | 2 | 1 | -3 | -4 | -4 | -4 | -2 | 0 | 2 | 3 | 5 | 7 | 7 | 6 | 6 | 7 | 8 |
min °C | -1 | 1 | 1 | -3 | -4 | -4 | -5 | -4 | -3 | -1 | 1 | 3 | 4 | 6 | 7 | 5 | 6 | 7 | 7 |
-6 | -6 | -6 | -13 | -11 | -11 | -12 | -10 | -6 | -5 | -1 | -1 | -1 | 2 | 4 | 2 | 3 | 6 | 6 | |
2150 | 2450 | 2350 | 2050 | 1500 | 1400 | 1400 | 1350 | 1500 | 2000 | 2450 | 2500 | 2700 | 3050 | 3200 | 3050 | 3150 | 3300 | 3400 | |
Cloud base (m) | 700 | 900 | 700 | 2250 | 800 | 600 | 600 | 750 | 650 | 1650 | 1700 | 2150 | 2500 | 6050 | 9000 | ||||
 | — | 7:37 | — | — | 7:37 | — | — | 7:35 | — | — | 7:33 | — | — | 7:33 | — | — | 7:31 | — | — |
 | — | — | 5:04 | — | — | 5:06 | — | — | 5:07 | — | — | 5:08 | — | — | 5:10 | — | — | 5:12 | — |
Loading...
South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: A heavy fall of snow, heaviest during Sun morning. Freeze-thaw conditions (max 2°C on Fri night, min -5°C on Sun night). Winds decreasing (near gales from the S on Sat night, light winds from the WSW by Mon afternoon).
South Twin Sister Weather (Days 3-6):
Mostly dry. Freeze-thaw conditions (max 7°C on Wed morning, min -1°C on Mon night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 2134 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.