– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 4 pm Fri 26 Jun Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Fri 26 Jun Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Fri 26 Jun Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMild with light rain (total 7mm) on Fri night Becoming colder with a light covering of snow, mostly falling on Fri night. Freeze-thaw conditions (max 4°C on Mon morning, min -2°C on Sat morning). Wind will be generally light. | Days 5–7 Weather SummaryLight rain (total 3mm), mostly falling on Tue morning. Freeze-thaw conditions (max 4°C on Mon afternoon, min 0°C on Wed morning). Wind will be generally light. | ||||||||||||||||
Fri 26 | Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 1 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | | |  | | |  | | |  | | |  | |
light rain | mod. snow | light snow | cloudy | snow shwrs | cloudy | light rain | rain shwrs | light rain | light rain | light rain | light rain | light rain | cloudy | cloudy | cloudy | some clouds | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | 6 | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 4 | 3 | — | — | — | — | 0.2 | 0.6 | 0.1 | 0.4 | 0.5 | 1.1 | 0.7 | — | — | — | — |
max °C | 2 | 2 | 0 | 2 | 3 | 2 | 2 | 3 | 4 | 4 | 4 | 2 | 2 | 2 | 1 | 1 | 1 |
min °C | 2 | -1 | -2 | 1 | 2 | 2 | 2 | 3 | 4 | 4 | 3 | 2 | 2 | 1 | 0 | 0 | 1 |
chill °C | -3 | -4 | -5 | -2 | -2 | 0 | -1 | 0 | 2 | 4 | 3 | 2 | 1 | 0 | -2 | -2 | -2 |
Freezing level m | 2500 | 2050 | 2100 | 2500 | 2750 | 2700 | 2750 | 3250 | 3400 | 3250 | 3000 | 2550 | 2550 | 2300 | 2200 | 2250 | 2350 |
Cloud base (m) | 850 | 550 | 600 | 750 | 1850 | 850 | 650 | 700 | 700 | 650 | 600 | 550 | 550 | 600 | 550 | 550 | 1500 |
 | — | — | 5:05 | — | — | 5:07 | — | — | 5:07 | — | — | 5:07 | — | — | 5:09 | — | — |
 | — | 9:14 | — | — | 9:14 | — | — | 9:14 | — | — | 9:14 | — | — | 9:14 | — | — | 9:14 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Mild with light rain (total 7mm) on Fri night Becoming colder with a light covering of snow, mostly falling on Fri night. Freeze-thaw conditions (max 4°C on Mon morning, min -2°C on Sat morning). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Light rain (total 3mm), mostly falling on Tue morning. Freeze-thaw conditions (max 4°C on Mon afternoon, 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 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.