– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 3 pm Fri 30 Jan Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 pm Fri 30 Jan Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Fri 30 Jan Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA heavy fall of snow, heaviest during Sun morning. Freeze-thaw conditions (max 2°C on Sat morning, min -5°C on Sun night). Winds increasing (light winds from the SSW on Fri night, near gales from the SSW by Sat night). | Days 5–7 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 8°C on Thu morning, min -2°C on Mon afternoon). Winds decreasing (fresh winds from the SW on Mon afternoon, calm by Thu morning). | ||||||||||||||||
Fri 30 | Saturday 31 | Sunday 1 | Monday 2 | Tuesday 3 | Wednesday 4 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  |  |  |  | | |  |  | | |  | | | |
light snow | snow shwrs | light snow | cloudy | light snow | heavy snow | mod. snow | cloudy | light snow | light snow | some clouds | some clouds | cloudy | some clouds | clear | clear | some clouds | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
3 | 1 | 1 | — | 2 | 19 | 7 | — | 2 | 3 | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -1 | 1 | 2 | 2 | 1 | -3 | -4 | -4 | -3 | -2 | 0 | 3 | 3 | 6 | 7 | 6 | 6 |
min °C | -1 | -1 | 1 | 1 | -3 | -4 | -4 | -5 | -4 | -2 | -1 | 1 | 3 | 4 | 7 | 5 | 5 |
-9 | -6 | -4 | -6 | -13 | -11 | -11 | -12 | -12 | -10 | -6 | -3 | -2 | -1 | 4 | 1 | 1 | |
1950 | 2150 | 2400 | 2300 | 2100 | 1500 | 1550 | 1400 | 1500 | 1550 | 2050 | 2350 | 2500 | 2950 | 3300 | 3100 | 2950 | |
Cloud base (m) | 600 | 800 | 1900 | 600 | 2650 | 700 | 600 | 800 | 950 | 650 | 750 | 800 | 2650 | 3100 | 8550 | 5400 | |
 | — | — | 7:37 | — | — | 7:37 | — | — | 7:35 | — | — | 7:33 | — | — | 7:33 | — | — |
 | 5:02 | — | — | 5:04 | — | — | 5:06 | — | — | 5:07 | — | — | 5:08 | — | — | 5:10 | — |
Loading...
South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: A heavy fall of snow, heaviest during Sun morning. Freeze-thaw conditions (max 2°C on Sat morning, min -5°C on Sun night). Winds increasing (light winds from the SSW on Fri night, near gales from the SSW by Sat night).
South Twin Sister Weather (Days 3-6):
A dusting of new snow. Freeze-thaw conditions (max 8°C on Thu morning, min -2°C on Mon afternoon). Winds decreasing (fresh winds from the SW on Mon afternoon, calm by Thu morning).
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 |
|---|---|---|---|---|---|
 | |||||
| |||||
| |||||
SHIP3160 |
* 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.