– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 10 am Tue 26 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Tue 26 May Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Tue 26 May Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryA dusting of new snow. Very mild (max 15°C on Thu afternoon, min 1°C on Tue morning). Wind will be generally light. | Days 4–6 Weather SummaryLight rain (total 2mm), mostly falling on Fri afternoon. Freeze-thaw conditions (max 6°C on Fri morning, min 0°C on Sun morning). Wind will be generally light. | |||||||||||||||||
Tuesday 26 | Wednesday 27 | Thursday 28 | Friday 29 | Saturday 30 | Sunday 31 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  | |  |  | | | |  | | |  | | | |
light snow | light rain | rain shwrs | clear | clear | clear | clear | rain shwrs | some clouds | light rain | light rain | rain shwrs | some clouds | light rain | some clouds | cloudy | rain shwrs | some clouds | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | 0.4 | 0.1 | — | — | — | — | 0.1 | — | 0.1 | 1.8 | 0.1 | — | 0.1 | — | — | 0.1 | — | |
max °C | 2 | 4 | 7 | 9 | 12 | 13 | 13 | 15 | 14 | 6 | 3 | 3 | 1 | 2 | 2 | 1 | 2 | 3 |
min °C | 1 | 3 | 5 | 8 | 11 | 13 | 13 | 15 | 9 | 4 | 3 | 2 | 1 | 1 | 1 | 0 | 1 | 2 |
-1 | 2 | 3 | 7 | 11 | 13 | 13 | 15 | 7 | 2 | 1 | 0 | 1 | -1 | -1 | -2 | -1 | 2 | |
1950 | 3050 | 3700 | 3850 | 3900 | 3750 | 3700 | 3750 | 3450 | 2650 | 2350 | 2150 | 2100 | 2200 | 2150 | 1700 | 2050 | 2150 | |
Cloud base (m) | 600 | 700 | 9000 | 2050 | 9000 | 9050 | 1500 | 650 | 1700 | 700 | 800 | 1850 | 650 | 800 | 1900 | |||
 | 5:13 | — | — | 5:13 | — | — | 5:11 | — | — | 5:11 | — | — | 5:11 | — | — | 5:09 | — | — |
 | — | — | 8:54 | — | — | 8:57 | — | — | 8:58 | — | — | 8:59 | — | — | 9:00 | — | — | 9:00 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: A dusting of new snow. Very mild (max 15°C on Thu afternoon, min 1°C on Tue morning). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Light rain (total 2mm), mostly falling on Fri afternoon. Freeze-thaw conditions (max 6°C on Fri morning, min 0°C on Sun 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.