– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 9 pm Tue 18 Nov Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 pm Tue 18 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Tue 18 Nov 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 1°C on Wed morning, min -4°C on Tue night). Mainly fresh winds. | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Sun night. Temperatures will be below freezing (max 0°C on Fri night, min -8°C on Mon morning). Winds increasing (light winds from the WSW on Sat night, near gales from the SSW by Sun night). | ||||||||||||||||||
Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  | | |  |  | |  |  | | | |  |  |  | | | |
clear | some clouds | some clouds | cloudy | some clouds | some clouds | some clouds | cloudy | cloudy | snow shwrs | clear | some clouds | cloudy | cloudy | light snow | heavy snow | snow shwrs | snow shwrs | some clouds | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | 3 | — | — | — | — | 2 | 24 | 2 | 1 | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | 0 | 1 | 0 | -1 | -3 | -4 | -1 | -1 | -1 | 0 | -2 | -3 | -2 | -2 | -2 | -1 | -8 | -8 | -7 |
min°C | -4 | 0 | -1 | -4 | -4 | -4 | -3 | -2 | -1 | -2 | -2 | -3 | -4 | -2 | -2 | -7 | -8 | -8 | -8 |
-9 | -5 | -6 | -11 | -10 | -9 | -8 | -8 | -7 | -9 | -9 | -10 | -10 | -7 | -9 | -18 | -17 | -16 | -14 | |
1350 | 2250 | 2150 | 1750 | 1350 | 1400 | 1400 | 1700 | 1900 | 2150 | 1750 | 1600 | 1500 | 1650 | 1400 | 1800 | 1000 | 1000 | 700 | |
Cloud base (m) | 650 | 6500 | 5950 | 750 | 700 | 900 | 900 | 750 | 600 | 600 | 650 | 2650 | 2100 | 1650 | 550 | 650 | 700 | 650 | |
 | — | 7:22 | — | — | 7:24 | — | — | 7:24 | — | — | 7:26 | — | — | 7:28 | — | — | 7:30 | — | — |
 | — | — | 4:22 | — | — | 4:22 | — | — | 4:21 | — | — | 4:20 | — | — | 4:19 | — | — | 4:17 | — |
Loading...
South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Mostly dry. Freeze-thaw conditions (max 1°C on Wed morning, min -4°C on Tue night). Mainly fresh winds.
South Twin Sister Weather (Days 3-6):
A heavy fall of snow, heaviest during Sun night. Temperatures will be below freezing (max 0°C on Fri night, min -8°C on Mon morning). Winds increasing (light winds from the WSW on Sat night, near gales from the SSW by Sun night).
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.