– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 4 am Fri 03 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 am Fri 03 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Fri 03 Jul Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummarySome drizzle, heaviest during Fri morning. Very mild (max 10°C on Sun night, min 3°C on Sat morning). Wind will be generally light. | Days 4–6 Weather SummaryLight rain (total 4mm) at first, then becoming colder with a dusting of snow on Wed afternoon. Freeze-thaw conditions (max 12°C on Mon afternoon, min 0°C on Wed night). Winds increasing (light winds from the SW on Mon morning, fresh winds from the SW by Wed afternoon). | |||||||||||||||||
Friday 3 | Saturday 4 | Sunday 5 | Monday 6 | Tuesday 7 | Wednesday 8 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  |  | | | | |  | | |  | |  |  | |
light rain | rain shwrs | rain shwrs | some clouds | rain shwrs | clear | clear | clear | clear | clear | clear | some clouds | some clouds | some clouds | light rain | light rain | light snow | snow shwrs | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 |
mm | 1 | 0.6 | 0.2 | — | 0.1 | — | — | — | — | — | — | — | — | — | 0.6 | 2 | 1.1 | — |
max °C | 5 | 6 | 6 | 3 | 6 | 6 | 6 | 9 | 10 | 10 | 12 | 12 | 9 | 9 | 7 | 3 | 3 | 1 |
min °C | 4 | 5 | 4 | 3 | 5 | 5 | 5 | 8 | 10 | 10 | 12 | 10 | 8 | 8 | 4 | 2 | 2 | 0 |
chill °C | 1 | 2 | 0 | -1 | 1 | 2 | 2 | 6 | 10 | 10 | 11 | 8 | 5 | 5 | 0 | -2 | -4 | -6 |
Freezing level m | 3250 | 3400 | 3150 | 2750 | 3050 | 3250 | 3500 | 3800 | 4000 | 3950 | 4000 | 4000 | 3750 | 3600 | 3300 | 2700 | 2450 | 2250 |
Cloud base (m) | 650 | 700 | 1950 | 2000 | 2400 | 2050 | 9000 | 6950 | 6250 | 5500 | 2550 | 600 | 600 | 1700 | ||||
 | 5:09 | — | — | 5:11 | — | — | 5:11 | — | — | 5:11 | — | — | 5:13 | — | — | 5:13 | — | — |
 | — | — | 9:13 | — | — | 9:13 | — | — | 9:12 | — | — | 9:12 | — | — | 9:10 | — | — | 9:10 |
Loading...
South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Some drizzle, heaviest during Fri morning. Very mild (max 10°C on Sun night, min 3°C on Sat morning). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Light rain (total 4mm) at first, then becoming colder with a dusting of snow on Wed afternoon. Freeze-thaw conditions (max 12°C on Mon afternoon, min 0°C on Wed night). Winds increasing (light winds from the SW on Mon morning, fresh winds from the SW by Wed afternoon).
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.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
|---|---|---|---|---|---|
 |
* 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.