– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 10 pm Sun 07 Jun Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Sun 07 Jun Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Sun 07 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 30mm), heaviest during Tue morning. Later becoming colder with a dusting of snow on Tue night. Freeze-thaw conditions (max 8°C on Mon afternoon, min 0°C on Tue night). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Very mild (max 18°C on Sat afternoon, min 3°C on Wed night). Wind will be generally light. | ||||||||||||||||||
Monday 8 | Tuesday 9 | Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  |  |  | | |  |  | |  |  | | | | | | |
rain shwrs | cloudy | cloudy | heavy rain | heavy rain | mod. rain | light snow | cloudy | rain shwrs | rain shwrs | clear | clear | clear | some clouds | clear | clear | clear | clear | clear | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — | |
0.1 | — | — | 11 | 12 | 6 | — | — | 0.6 | 0.1 | — | — | — | — | — | — | — | — | — | |
max °C | 4 | 5 | 8 | 4 | 3 | 3 | 1 | 0 | 3 | 4 | 6 | 10 | 11 | 10 | 12 | 13 | 14 | 18 | 18 |
min °C | 3 | 5 | 7 | 3 | 2 | 2 | 0 | 0 | 1 | 3 | 4 | 9 | 9 | 9 | 12 | 12 | 13 | 17 | 17 |
3 | 3 | 6 | 0 | -3 | -3 | -5 | -4 | 0 | 3 | 4 | 9 | 8 | 8 | 12 | 12 | 12 | 17 | 17 | |
2100 | 2200 | 2400 | 2250 | 1900 | 1900 | 1550 | 1550 | 2050 | 2950 | 3200 | 3250 | 3450 | 3650 | 3700 | 3450 | 3750 | 3850 | 3900 | |
Cloud base (m) | 2550 | 2550 | 550 | 600 | 600 | 600 | 600 | 650 | 8550 | 9600 | |||||||||
 | — | 5:05 | — | — | 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 30mm), heaviest during Tue morning. Later becoming colder with a dusting of snow on Tue night. Freeze-thaw conditions (max 8°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 18°C on Sat afternoon, min 3°C on Wed 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.