– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 3 am Mon 02 Feb Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 am Mon 02 Feb Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Mon 02 Feb Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryA light covering of new snow on Mon morning turning to drizzle on Mon afternoon. Freeze-thaw conditions (max 12°C on Wed night, min -1°C on Mon morning). Wind will be generally light. | Days 4–6 Weather SummaryA light covering of new snow mostly falling on Sat night. Very mild (max 14°C on Thu afternoon, min 1°C on Sat night). Wind will be generally light. | |||||||||||||||||
Monday 2 | Tuesday 3 | Wednesday 4 | Thursday 5 | Friday 6 | Saturday 7 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  | |  |  | | | | |  | | | |  | |
light snow | light snow | light rain | some clouds | some clouds | some clouds | some clouds | clear | clear | clear | clear | clear | some clouds | cloudy | some clouds | clear | some clouds | mod. snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
4 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 | |
— | 1.1 | 0.1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 0.3 | |
max °C | 0 | 3 | 5 | 7 | 7 | 9 | 10 | 10 | 12 | 13 | 14 | 12 | 8 | 7 | 6 | 4 | 3 | 3 |
min °C | -1 | 1 | 3 | 6 | 7 | 7 | 10 | 10 | 11 | 13 | 14 | 9 | 7 | 7 | 4 | 3 | 3 | 1 |
-6 | -4 | 1 | 4 | 4 | 4 | 8 | 9 | 10 | 13 | 14 | 7 | 4 | 5 | 2 | 1 | 0 | -4 | |
1300 | 1750 | 2250 | 2700 | 2750 | 2850 | 3200 | 3300 | 3350 | 3550 | 3650 | 3600 | 3200 | 2800 | 2650 | 2300 | 2150 | 2000 | |
Cloud base (m) | 700 | 600 | 1850 | 2000 | 2000 | 3100 | 2500 | 8350 | 6950 | 6600 | 7000 | 6750 | 8550 | 1650 | ||||
 | 7:35 | — | — | 7:33 | — | — | 7:33 | — | — | 7:31 | — | — | 7:30 | — | — | 7:28 | — | — |
 | — | 5:07 | — | — | 5:08 | — | — | 5:10 | — | — | 5:12 | — | — | 5:14 | — | — | 5:15 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: A light covering of new snow on Mon morning turning to drizzle on Mon afternoon. Freeze-thaw conditions (max 12°C on Wed night, min -1°C on Mon morning). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
A light covering of new snow mostly falling on Sat night. Very mild (max 14°C on Thu afternoon, min 1°C on Sat 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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SHIP4213 |
* 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.