– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 10 pm Mon 06 Apr Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Mon 06 Apr Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Mon 06 Apr 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 3°C on Thu afternoon, min -5°C on Tue morning). Winds decreasing (strong winds from the WSW on Mon night, calm by Tue night). | Days 5–7 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 4°C on Thu night, min 0°C on Sat morning). Wind will be generally light. | ||||||||||||||||||
Tuesday 7 | Wednesday 8 | Thursday 9 | Friday 10 | Saturday 11 | Sunday 12 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  | | | | | | | | | |  | | |  | | | |
some clouds | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | light snow | light snow | some clouds | some clouds | some clouds | some clouds | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 2 | -4 | -3 | -2 | -2 | -1 | 0 | 1 | 3 | 4 | 3 | 4 | 4 | 1 | 0 | 1 | 1 | 1 | 0 |
min °C | -3 | -5 | -3 | -3 | -2 | -1 | -1 | 0 | 2 | 4 | 3 | 4 | 2 | 0 | 0 | 0 | 1 | 1 | -3 |
-11 | -12 | -10 | -8 | -6 | -5 | -4 | 0 | 1 | 2 | 0 | 1 | -1 | -2 | -3 | -3 | 1 | -2 | -8 | |
1750 | 1250 | 1500 | 1350 | 1500 | 1950 | 2100 | 2300 | 2600 | 2750 | 2700 | 2800 | 2550 | 2150 | 2100 | 2350 | 2250 | 2300 | 1750 | |
Cloud base (m) | 2150 | 1950 | 1800 | 1500 | 2000 | 9200 | 8700 | 9000 | 2700 | 1800 | 550 | 1650 | 1950 | 1500 | 650 | ||||
 | — | 6:33 | — | — | 6:31 | — | — | 6:28 | — | — | 6:26 | — | — | 6:24 | — | — | 6:22 | — | — |
 | — | — | 7:46 | — | — | 7:47 | — | — | 7:50 | — | — | 7:51 | — | — | 7:52 | — | — | 7:53 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Mostly dry. Freeze-thaw conditions (max 3°C on Thu afternoon, min -5°C on Tue morning). Winds decreasing (strong winds from the WSW on Mon night, calm by Tue night).
South Twin Sister Weather (Days 3-6):
A dusting of new snow. Freeze-thaw conditions (max 4°C on Thu night, min 0°C on Sat morning). 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.