– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 4 am Sun 07 Jun Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 am Sun 07 Jun Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Sun 07 Jun Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryModerate rain (total 14mm), heaviest on Mon night giving way to a moderate fall of snow, heaviest on Tue morning. Freeze-thaw conditions (max 7°C on Mon afternoon, min 0°C on Sun morning). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Freeze-thaw conditions (max 16°C on Fri night, min 0°C on Wed morning). Wind will be generally light. | |||||||||||||||||
Sunday 7 | Monday 8 | Tuesday 9 | Wednesday 10 | Thursday 11 | Friday 12 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  |  | |  |  | | | | |  |  | | | |
cloudy | rain shwrs | rain shwrs | cloudy | cloudy | mod. rain | light snow | light snow | light snow | some clouds | rain shwrs | rain shwrs | some clouds | some clouds | clear | clear | clear | clear | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | 5 | 1 | 4 | — | — | — | — | — | — | — | — | — | |
— | 0.4 | 0.2 | — | — | 9 | — | 4 | — | — | 0.9 | 0.1 | — | — | — | — | — | — | |
max °C | 0 | 3 | 3 | 5 | 7 | 5 | 2 | 2 | 1 | 1 | 3 | 4 | 5 | 8 | 7 | 10 | 13 | 16 |
min °C | 0 | 1 | 3 | 4 | 6 | 2 | 2 | 2 | 0 | 0 | 2 | 3 | 3 | 7 | 7 | 8 | 12 | 14 |
-3 | -1 | 3 | 2 | 4 | -1 | -2 | -2 | -4 | -2 | 0 | 1 | 2 | 6 | 7 | 8 | 12 | 14 | |
1450 | 1950 | 2150 | 2200 | 2300 | 2000 | 1850 | 1750 | 1550 | 1800 | 2450 | 2400 | 2550 | 2900 | 3300 | 3300 | 3700 | 3900 | |
Cloud base (m) | 600 | 650 | 2750 | 2700 | 550 | 550 | 600 | 600 | 600 | 700 | 1950 | 1850 | 2200 | 8450 | 9000 | 9550 | 9400 | |
 | 5:05 | — | — | 5:05 | — | — | 5:05 | — | — | 5:05 | — | — | 5:05 | — | — | 5:03 | — | — |
 | — | — | 9:07 | — | — | 9:07 | — | — | 9:07 | — | — | 9:08 | — | — | 9:09 | — | — | 9:09 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Moderate rain (total 14mm), heaviest on Mon night giving way to a moderate fall of snow, heaviest on Tue morning. Freeze-thaw conditions (max 7°C on Mon afternoon, min 0°C on Sun morning). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Mostly dry. Freeze-thaw conditions (max 16°C on Fri night, min 0°C on Wed 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.