– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 4 pm Tue 23 Jun Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Tue 23 Jun Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Tue 23 Jun Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryLight rain (total 6mm), mostly falling on Fri morning. Very mild (max 18°C on Tue afternoon, min 4°C on Fri morning). Wind will be generally light. | Days 5–7 Weather SummaryHeavy rain (total 25mm), heaviest during Fri afternoon. Mild temperatures (max 6°C on Sun night, min 2°C on Fri night). Wind will be generally light. | ||||||||||||||||
Tue 23 | Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | | |  |  |  |  | | | | | | | |
cloudy | some clouds | some clouds | clear | clear | cloudy | cloudy | light rain | light rain | heavy rain | mod. rain | light rain | light rain | light rain | light rain | light rain | light rain | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | 3 | 4 | 11 | 5 | 0.5 | 0.7 | 5 | 1.9 | 0.5 | 0.4 |
max °C | 18 | 18 | 16 | 16 | 15 | 8 | 9 | 7 | 5 | 4 | 3 | 3 | 5 | 5 | 4 | 5 | 6 |
min °C | 18 | 17 | 15 | 16 | 10 | 7 | 8 | 5 | 4 | 4 | 2 | 2 | 4 | 4 | 4 | 5 | 6 |
chill °C | 18 | 17 | 15 | 16 | 10 | 5 | 7 | 2 | 0 | 1 | 2 | 1 | 3 | 2 | 4 | 4 | 5 |
Freezing level m | 3600 | 3650 | 3500 | 3450 | 3250 | 3200 | 2800 | 2550 | 2350 | 2250 | 1950 | 2150 | 2500 | 2500 | 3050 | 3400 | 3000 |
Cloud base (m) | 5100 | 5950 | 7950 | 3400 | 1650 | 2050 | 600 | 550 | 550 | 600 | 550 | 700 | 700 | 550 | 600 | 550 | |
 | — | — | 5:05 | — | — | 5:05 | — | — | 5:05 | — | — | 5:05 | — | — | 5:07 | — | — |
 | — | 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: Light rain (total 6mm), mostly falling on Fri morning. Very mild (max 18°C on Tue afternoon, min 4°C on Fri morning). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Heavy rain (total 25mm), heaviest during Fri afternoon. Mild temperatures (max 6°C on Sun night, min 2°C on Fri night). 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.