– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 9 am Thu 26 Feb Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 am Thu 26 Feb Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Thu 26 Feb Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryA light covering of new snow mostly falling on Thu night. Temperatures will be below freezing (max 0°C on Sat night, min -6°C on Thu afternoon). Winds decreasing (strong winds from the W on Thu afternoon, calm by Sat night). | Days 4–6 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 1°C on Sun night, min -4°C on Tue night). Wind will be generally light. | |||||||||||||||||
Thursday 26 | Friday 27 | Saturday 28 | Sunday 1 | Monday 2 | Tuesday 3 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  |  | |  | | | | | | | | |  | |
cloudy | light snow | mod. snow | cloudy | cloudy | some clouds | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | cloudy | cloudy | light snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | 2 | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -5 | -6 | -5 | -5 | -5 | -5 | -3 | -1 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | 0 | -2 |
min °C | -5 | -6 | -6 | -5 | -5 | -5 | -4 | -2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | -1 | -4 |
-14 | -16 | -16 | -14 | -14 | -13 | -11 | -8 | 0 | 0 | 0 | -2 | -5 | -6 | -4 | -2 | -5 | -10 | |
1200 | 1200 | 1100 | 1050 | 1050 | 800 | 1050 | 1250 | 1850 | 2150 | 2050 | 2250 | 2150 | 2150 | 2300 | 2300 | 2050 | 1650 | |
Cloud base (m) | 750 | 800 | 600 | 650 | 600 | 650 | 600 | 850 | 600 | 600 | 1500 | 1500 | 5950 | 6050 | 1600 | |||
 | 6:54 | — | — | 6:52 | — | — | 6:50 | — | — | 6:48 | — | — | 6:47 | — | — | 6:45 | — | — |
 | — | 5:46 | — | — | 5:47 | — | — | 5:50 | — | — | 5:51 | — | — | 5:52 | — | — | 5:54 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: A light covering of new snow mostly falling on Thu night. Temperatures will be below freezing (max 0°C on Sat night, min -6°C on Thu afternoon). Winds decreasing (strong winds from the W on Thu afternoon, calm by Sat night).
South Twin Sister Weather (Days 3-6):
A dusting of new snow. Freeze-thaw conditions (max 1°C on Sun night, min -4°C on Tue 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.