– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 10 am Tue 28 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Tue 28 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Tue 28 Jul Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryLight rain (total 4mm), mostly falling on Tue afternoon. Very mild (max 10°C on Thu afternoon, min 5°C on Tue morning). Winds decreasing (fresh winds from the SSW on Tue morning, calm by Wed morning). | Days 4–6 Weather SummaryLight rain (total 6mm) at first, then becoming colder with a dusting of snow on Sat afternoon. Very mild (max 12°C on Fri afternoon, min 1°C on Sat night). Winds decreasing (fresh winds from the SSW on Sat morning, light winds from the NNE by Sun night). | |||||||||||||||||
Tuesday 28 | Wednesday 29 | Thursday 30 | Friday 31 | Saturday 1 | Sunday 2 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | |  |  | | | | | | |  |  |  | | | | |
rain shwrs | rain shwrs | rain shwrs | rain shwrs | clear | clear | clear | clear | clear | clear | clear | clear | light rain | snow shwrs | some clouds | snow shwrs | rain shwrs | rain shwrs | |
Cloud base (m) | 950 | 800 | 2200 | 800 | 8500 | 9500 | 3950 | 4650 | 650 | 600 | 1650 | 900 | 950 | |||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 1 | — | — |
mm | 1.4 | 1.8 | 1 | 0.1 | — | — | — | — | — | — | — | — | 1.6 | 4 | — | — | 0.2 | 0.1 |
max °C | 5 | 5 | 6 | 6 | 9 | 9 | 8 | 10 | 10 | 10 | 12 | 12 | 6 | 3 | 2 | 1 | 3 | 6 |
min °C | 5 | 5 | 5 | 6 | 9 | 8 | 8 | 9 | 9 | 9 | 11 | 8 | 4 | 2 | 1 | 1 | 2 | 3 |
chill °C | 0 | 1 | 2 | 5 | 8 | 6 | 6 | 7 | 7 | 7 | 9 | 4 | -2 | -4 | -2 | -2 | -1 | 0 |
Freezing level m | 3000 | 2950 | 3400 | 3800 | 3850 | 3950 | 3850 | 3900 | 4050 | 4100 | 4150 | 3950 | 2950 | 2450 | 2300 | 2300 | 2700 | 3300 |
 | 5:35 | — | — | 5:37 | — | — | 5:37 | — | — | 5:39 | — | — | 5:41 | — | — | 5:41 | — | — |
 | — | — | 8:51 | — | — | 8:50 | — | — | 8:49 | — | — | 8:46 | — | — | 8:45 | — | — | 8:44 |
Loading...
South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Light rain (total 4mm), mostly falling on Tue afternoon. Very mild (max 10°C on Thu afternoon, min 5°C on Tue morning). Winds decreasing (fresh winds from the SSW on Tue morning, calm by Wed morning).
South Twin Sister Weather (Days 3-6):
Light rain (total 6mm) at first, then becoming colder with a dusting of snow on Sat afternoon. Very mild (max 12°C on Fri afternoon, min 1°C on Sat night). Winds decreasing (fresh winds from the SSW on Sat morning, light winds from the NNE by Sun night).
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 |
|---|---|---|---|---|---|
SHIP5519 | |||||
 | |||||
Bellingham Airport | | ||||
SHIP1823 | |||||
SHIP3602 | |||||
SHIP4180 | |||||
SHIP4127 | |||||
SHIP2524 |
* 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.