– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 4 pm Fri 24 Apr Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Fri 24 Apr Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Fri 24 Apr Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummarySome drizzle, heaviest during Sun afternoon. Freeze-thaw conditions (max 6°C on Sat afternoon, min 0°C on Mon morning). Wind will be generally light. | Days 5–7 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 8°C on Wed night, min 0°C on Mon afternoon). Wind will be generally light. | ||||||||||||||||
Fri 24 | Saturday 25 | Sunday 26 | Monday 27 | Tuesday 28 | Wednesday 29 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  | |  |  | |  | | | | | | | |
some clouds | clear | clear | some clouds | some clouds | rain shwrs | rain shwrs | rain shwrs | cloudy | cloudy | light snow | cloudy | cloudy | some clouds | clear | clear | some clouds | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | 3 | — | — | — | — | — | — | |
— | — | — | — | — | 0.1 | 1 | 0.2 | — | — | — | — | — | — | — | — | — | |
max °C | 4 | 3 | 3 | 6 | 5 | 4 | 5 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 4 | 7 | 8 |
min °C | 3 | 3 | 2 | 5 | 4 | 4 | 5 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 7 | 8 |
0 | 0 | 0 | 3 | 3 | 3 | 3 | 0 | -4 | -4 | -3 | 0 | 0 | -2 | 1 | 7 | 7 | |
1950 | 1850 | 1850 | 2100 | 2000 | 1950 | 2100 | 2000 | 1550 | 1550 | 1500 | 1450 | 1550 | 1550 | 2200 | 2650 | 2600 | |
Cloud base (m) | 3000 | 3050 | 3350 | 2500 | 2250 | 800 | 600 | 600 | 600 | 600 | 1000 | 1000 | 2600 | ||||
 | — | — | 5:58 | — | — | 5:56 | — | — | 5:54 | — | — | 5:52 | — | — | 5:50 | — | — |
 | — | 8:12 | — | — | 8:13 | — | — | 8:15 | — | — | 8:15 | — | — | 8:17 | — | — | 8:19 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Some drizzle, heaviest during Sun afternoon. Freeze-thaw conditions (max 6°C on Sat afternoon, min 0°C on Mon morning). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
A dusting of new snow. Freeze-thaw conditions (max 8°C on Wed night, min 0°C on Mon afternoon). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 1500 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.