– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 10 am Sat 25 Apr Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Sat 25 Apr Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Sat 25 Apr Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryDrizzle at first, then turning colder with dusting of snow on Mon night. Freeze-thaw conditions (max 5°C on Sat afternoon, min 0°C on Mon night). Wind will be generally light. | Days 4–6 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 8°C on Wed afternoon, min 0°C on Tue morning). Wind will be generally light. | |||||||||||||||||
Saturday 25 | Sunday 26 | Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  | |  |  |  | |  | | | | | | | |
clear | some clouds | clear | some clouds | rain shwrs | rain shwrs | some clouds | cloudy | light snow | light snow | cloudy | some clouds | clear | clear | some clouds | some clouds | rain shwrs | rain shwrs | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | 2 | 3 | — | — | — | — | — | — | — | — | |
— | — | — | — | 1.2 | 0.4 | — | — | — | — | — | — | — | — | — | — | 0.3 | 0.1 | |
max °C | 3 | 5 | 4 | 4 | 5 | 4 | 2 | 1 | 1 | 0 | 0 | 1 | 3 | 8 | 8 | 6 | 7 | 6 |
min °C | 2 | 5 | 4 | 3 | 5 | 3 | 1 | 1 | 0 | 0 | 0 | 1 | 2 | 7 | 7 | 5 | 6 | 2 |
0 | 2 | 2 | 3 | 3 | 1 | -2 | -2 | -4 | -3 | -3 | 1 | 2 | 7 | 5 | 3 | 4 | 2 | |
1850 | 2100 | 1950 | 1900 | 2100 | 2000 | 1700 | 1700 | 1550 | 1500 | 1550 | 1800 | 2200 | 2750 | 2650 | 2350 | 2400 | 2050 | |
Cloud base (m) | 3150 | 3100 | 2950 | 2650 | 2200 | 850 | 1500 | 600 | 600 | 600 | 800 | 950 | 2700 | 2400 | 2100 | 1900 | ||
 | 5:58 | — | — | 5:56 | — | — | 5:54 | — | — | 5:52 | — | — | 5:50 | — | — | 5:50 | — | — |
 | — | — | 8:13 | — | — | 8:15 | — | — | 8:15 | — | — | 8:17 | — | — | 8:19 | — | — | 8:21 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Drizzle at first, then turning colder with dusting of snow on Mon night. Freeze-thaw conditions (max 5°C on Sat afternoon, min 0°C on Mon night). 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 afternoon, min 0°C on Tue morning). 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.