– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 10 pm Tue 21 Apr Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Tue 21 Apr Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Tue 21 Apr Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryLight rain (total 3mm) at first, then becoming colder with a dusting of snow on Wed morning. Freeze-thaw conditions (max 6°C on Fri afternoon, min 0°C on Thu morning). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Mild temperatures (max 6°C on Mon afternoon, min 3°C on Sat morning). Wind will be generally light. | ||||||||||||||||||
Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | |  |  | | | | | | | |  | | | | |
rain shwrs | light snow | cloudy | light rain | some clouds | some clouds | some clouds | clear | some clouds | some clouds | some clouds | some clouds | some clouds | some clouds | rain shwrs | clear | clear | rain shwrs | clear | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
1 | 1.4 | — | 0.4 | — | — | — | — | — | — | — | — | — | — | 0.4 | — | — | 0.1 | — | |
max °C | 3 | 2 | 2 | 2 | 1 | 1 | 2 | 3 | 6 | 5 | 3 | 5 | 5 | 4 | 4 | 4 | 4 | 6 | 5 |
min °C | 2 | 2 | 2 | 1 | 0 | 0 | 0 | 2 | 5 | 4 | 3 | 5 | 3 | 3 | 3 | 3 | 3 | 5 | 4 |
-1 | 0 | 0 | -2 | 0 | 0 | -2 | 0 | 4 | 1 | 1 | 4 | 3 | 3 | 1 | 2 | 3 | 3 | 4 | |
2150 | 1900 | 1900 | 1700 | 1600 | 1750 | 1600 | 1900 | 2150 | 1950 | 1850 | 2000 | 1900 | 1900 | 2000 | 1950 | 1950 | 2150 | 2200 | |
Cloud base (m) | 750 | 550 | 550 | 600 | 600 | 650 | 1550 | 1900 | 2950 | 2850 | 2850 | 3250 | 3100 | 2050 | 4950 | 2550 | 2500 | 8250 | |
 | — | 6:03 | — | — | 6:01 | — | — | 6:00 | — | — | 5:58 | — | — | 5:56 | — | — | 5:54 | — | — |
 | — | — | — | 8:08 | — | — | 8:09 | — | — | 8:12 | — | — | 8:13 | — | — | 8:15 | — | — | 8:15 |
Loading...
South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Light rain (total 3mm) at first, then becoming colder with a dusting of snow on Wed morning. Freeze-thaw conditions (max 6°C on Fri afternoon, min 0°C on Thu morning). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Mostly dry. Mild temperatures (max 6°C on Mon afternoon, min 3°C on Sat 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.