– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 4 pm Mon 08 Jun Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Mon 08 Jun Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Mon 08 Jun Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryHeavy rain (total 32mm), mostly on Tue morning. Becoming colder with a light covering of snow ,mostly falling on Tue night. Freeze-thaw conditions (max 7°C on Mon afternoon, min 0°C on Tue night). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Very mild (max 19°C on Sat night, min 8°C on Thu afternoon). Wind will be generally light. | ||||||||||||||||
Mon 8 | Tuesday 9 | Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | |  |  |  | |  | | | | | | | |
cloudy | heavy rain | heavy rain | light snow | mod. snow | light snow | rain shwrs | rain shwrs | clear | clear | clear | clear | clear | clear | clear | clear | clear | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | 1 | 6 | 1 | — | — | — | — | — | — | — | — | — | — | — | |
— | 14 | 12 | 6 | — | — | 0.2 | 0.1 | — | — | — | — | — | — | — | — | — | |
max °C | 7 | 5 | 2 | 2 | 1 | 1 | 4 | 4 | 6 | 9 | 9 | 8 | 12 | 13 | 15 | 17 | 19 |
min °C | 6 | 4 | 2 | 2 | 0 | 0 | 2 | 3 | 4 | 8 | 8 | 8 | 10 | 11 | 14 | 17 | 18 |
5 | 1 | -2 | -3 | -5 | -4 | 1 | 1 | 3 | 7 | 6 | 7 | 9 | 11 | 14 | 17 | 18 | |
2400 | 2250 | 1900 | 1800 | 1650 | 1650 | 2600 | 3100 | 3000 | 3100 | 3300 | 3500 | 3700 | 3800 | 3750 | 3900 | 4300 | |
Cloud base (m) | 2250 | 550 | 550 | 600 | 600 | 600 | 800 | 1950 | 8650 | 8600 | 6750 | 9000 | |||||
 | — | — | 5:05 | — | — | 5:05 | — | — | 5:05 | — | — | 5:03 | — | — | 5:03 | — | — |
 | — | 9:07 | — | — | 9:07 | — | — | 9:08 | — | — | 9:09 | — | — | 9:09 | — | — | 9:10 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Heavy rain (total 32mm), mostly on Tue morning. Becoming colder with a light covering of snow ,mostly falling on Tue night. Freeze-thaw conditions (max 7°C on Mon afternoon, min 0°C on Tue night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Mostly dry. Very mild (max 19°C on Sat night, min 8°C on Thu 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.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
|---|---|---|---|---|---|
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* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.