– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 10 am Thu 27 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Thu 27 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Thu 27 Aug Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMild with light rain (total 8mm) on Thu night Becoming colder with a light covering of snow, mostly falling on Fri night. Mild temperatures (max 5°C on Thu morning, min 1°C on Sat morning). Wind will be generally light. | Days 4–6 Weather SummaryLight rain (total 3mm), mostly falling on Sun morning. Freeze-thaw conditions (max 7°C on Mon afternoon, min 0°C on Tue night). Wind will be generally light. | |||||||||||||||||
Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  |  | |  |  | | |  | |  | | |  | |
rain shwrs | risk tstorm | rain shwrs | rain shwrs | rain shwrs | light snow | light snow | light snow | cloudy | light rain | light rain | rain shwrs | some clouds | rain shwrs | clear | rain shwrs | rain shwrs | light rain | |
Cloud base (m) | 1500 | 1600 | 800 | 700 | 1800 | 2300 | 600 | 600 | 650 | 650 | 600 | 600 | 1750 | 2300 | 2750 | 2550 | 1800 | 2000 |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | 1 | 2 | 2 | — | — | — | — | — | — | — | — | — | — |
mm | 0.2 | 3 | 4 | 0.3 | 0.5 | — | — | — | — | 0.8 | 0.3 | 0.2 | — | 0.1 | — | 0.1 | 0.9 | 0.8 |
max °C | 5 | 5 | 5 | 3 | 5 | 4 | 1 | 1 | 2 | 2 | 3 | 4 | 5 | 7 | 6 | 5 | 4 | 3 |
min °C | 5 | 4 | 4 | 3 | 4 | 2 | 1 | 1 | 1 | 2 | 3 | 3 | 4 | 6 | 5 | 4 | 4 | 0 |
chill °C | 0 | -1 | 1 | 0 | 1 | -1 | -2 | -3 | -4 | -1 | -1 | -1 | 2 | 3 | 2 | 0 | 0 | -3 |
Freezing level m | 3000 | 2900 | 2800 | 2800 | 2850 | 2600 | 2250 | 2350 | 2400 | 2700 | 2850 | 3000 | 3100 | 3150 | 3050 | 2900 | 2750 | 2350 |
 | 6:16 | — | — | 6:18 | — | — | 6:20 | — | — | 6:20 | — | — | 6:22 | — | — | 6:24 | — | — |
 | — | — | 8:00 | — | 7:58 | — | — | 7:55 | — | — | 7:53 | — | — | 7:52 | — | — | 7:50 | — |
Loading...
South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Mild with light rain (total 8mm) on Thu night Becoming colder with a light covering of snow, mostly falling on Fri night. Mild temperatures (max 5°C on Thu morning, min 1°C on Sat morning). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Light rain (total 3mm), mostly falling on Sun morning. Freeze-thaw conditions (max 7°C on Mon afternoon, min 0°C on Tue night). Wind will be generally light.
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 |
|---|---|---|---|---|---|
 | |||||
Bellingham Airport | | ||||
BUOY-46118 | |||||
Abbotsford Airport |  | ||||
BUOY-46118 | |||||
SHIP851 | |||||
BUOY-PBFW1 | |||||
SHIP1772 |
* 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.