– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 4 am Thu 02 Apr Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 am Thu 02 Apr Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Thu 02 Apr 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 morning. Freeze-thaw conditions (max 4°C on Sat night, min -7°C on Thu morning). Wind will be generally light. | Days 4–6 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 6°C on Sun afternoon, min -7°C on Tue morning). Winds decreasing (strong winds from the WSW on Mon night, calm by Tue night). | |||||||||||||||||
Thursday 2 | Friday 3 | Saturday 4 | Sunday 5 | Monday 6 | Tuesday 7 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  |  | | | |  | | | | |  | | |  | |
light snow | light snow | light snow | cloudy | some clouds | some clouds | some clouds | some clouds | some clouds | clear | some clouds | some clouds | some clouds | clear | snow shwrs | some clouds | some clouds | clear | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
5 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | 0.3 | — | — | — | |
max °C | -7 | -6 | -5 | -5 | -4 | -2 | -1 | 1 | 4 | 5 | 6 | 6 | 6 | 5 | 3 | -6 | -4 | -5 |
min °C | -7 | -6 | -6 | -5 | -4 | -3 | -2 | 0 | 2 | 5 | 5 | 6 | 5 | 4 | -3 | -7 | -5 | -5 |
-13 | -12 | -12 | -11 | -10 | -8 | -6 | -2 | -1 | 3 | 4 | 4 | 1 | 0 | -12 | -15 | -11 | -11 | |
1050 | 1150 | 1050 | 1200 | 1450 | 1550 | 1750 | 2400 | 2700 | 2900 | 2950 | 3000 | 2900 | 2750 | 2100 | 1050 | 1300 | 1050 | |
Cloud base (m) | 600 | 600 | 600 | 750 | 850 | 950 | 800 | 1650 | 5600 | 6350 | 6800 | 6400 | 6850 | 6800 | 1700 | 900 | 1700 | 850 |
 | 6:43 | — | — | 6:41 | — | — | 6:39 | — | — | 6:37 | — | — | 6:35 | — | — | 6:33 | — | — |
 | — | 7:38 | — | — | 7:40 | — | — | 7:42 | — | — | 7:44 | — | — | 7:45 | — | — | 7:46 | — |
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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 morning. Freeze-thaw conditions (max 4°C on Sat night, min -7°C on Thu morning). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
A dusting of new snow. Freeze-thaw conditions (max 6°C on Sun afternoon, min -7°C on Tue morning). Winds decreasing (strong winds from the WSW on Mon night, calm by Tue 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.