– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 9 pm Mon 02 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 pm Mon 02 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Mon 02 Mar 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 Tue night. Temperatures will be below freezing (max 0°C on Mon night, min -8°C on Thu morning). Winds decreasing (strong winds from the SSW on Tue morning, light winds from the WNW by Thu morning). | Days 5–7 Weather SummaryA moderate fall of snow, heaviest on Fri afternoon. Freeze-thaw conditions (max 1°C on Sat morning, min -5°C on Thu night). Winds increasing (light winds from the WNW on Fri morning, strong winds from the WSW by Sun afternoon). | ||||||||||||||||||
Tuesday 3 | Wednesday 4 | Thursday 5 | Friday 6 | Saturday 7 | Sunday 8 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  |  |  | | |  |  | | | | |  | | | | |
some clouds | light snow | light snow | heavy snow | mod. snow | snow shwrs | light snow | light snow | snow shwrs | snow shwrs | cloudy | light snow | light snow | cloudy | light snow | cloudy | cloudy | light snow | snow shwrs | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | 1 | 2 | 15 | 6 | 1 | 4 | 4 | 2 | 2 | — | 3 | 1 | — | 1 | — | — | 3 | 24 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 0 | -2 | -3 | -3 | -5 | -5 | -6 | -7 | -7 | -4 | -3 | -3 | 0 | 1 | 0 | 0 | 0 | 1 | 0 |
min °C | -2 | -2 | -3 | -5 | -5 | -5 | -7 | -8 | -7 | -5 | -4 | -3 | -1 | 1 | 0 | 0 | -1 | 0 | -5 |
-10 | -10 | -10 | -11 | -11 | -11 | -14 | -15 | -13 | -11 | -10 | -9 | -6 | -5 | -6 | -5 | -7 | -8 | -15 | |
2000 | 1750 | 1700 | 1600 | 1250 | 1300 | 1100 | 900 | 1000 | 1000 | 1150 | 1300 | 2100 | 2750 | 2050 | 2100 | 1950 | 2100 | 1700 | |
Cloud base (m) | 950 | 600 | 550 | 550 | 550 | 600 | 600 | 600 | 600 | 600 | 650 | 700 | 600 | 600 | 600 | 600 | 600 | 650 | 550 |
 | — | 6:45 | — | — | 6:43 | — | — | 6:41 | — | — | 6:39 | — | — | 6:37 | — | — | 7:35 | — | — |
 | — | — | 5:54 | — | — | 5:55 | — | — | 5:58 | — | — | 5:59 | — | — | 6:00 | — | — | 7:01 | — |
Loading...
South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: A heavy fall of snow, heaviest during Tue night. Temperatures will be below freezing (max 0°C on Mon night, min -8°C on Thu morning). Winds decreasing (strong winds from the SSW on Tue morning, light winds from the WNW by Thu morning).
South Twin Sister Weather (Days 3-6):
A moderate fall of snow, heaviest on Fri afternoon. Freeze-thaw conditions (max 1°C on Sat morning, min -5°C on Thu night). Winds increasing (light winds from the WNW on Fri morning, strong winds from the WSW by Sun afternoon).
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.