– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 4 am Sat 25 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 am Sat 25 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Sat 25 Jul Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryModerate rain (total 12mm), heaviest on Sun afternoon. Mild temperatures (max 9°C on Mon afternoon, min 5°C on Sat afternoon). Mainly fresh winds. | Days 4–6 Weather SummaryLight rain (total 2mm), mostly falling on Tue afternoon. Very mild (max 13°C on Thu night, min 5°C on Tue morning). Wind will be generally light. | |||||||||||||||||
Saturday 25 | Sunday 26 | Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  | | | |  | | | | |  | |  | | | |
rain shwrs | rain shwrs | rain shwrs | light rain | mod. rain | rain shwrs | rain shwrs | rain shwrs | clear | rain shwrs | rain shwrs | rain shwrs | rain shwrs | some clouds | clear | clear | clear | clear | |
Cloud base (m) | 800 | 1750 | 850 | 600 | 600 | 1750 | 1600 | 2100 | 2550 | 1750 | 950 | 850 | 6700 | |||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.2 | 0.7 | 0.7 | 0.8 | 9 | 0.4 | 0.2 | 0.2 | — | 0.1 | 1.1 | 0.7 | 0.1 | — | — | — | — | — |
max °C | 7 | 6 | 5 | 5 | 5 | 5 | 6 | 9 | 8 | 5 | 7 | 7 | 6 | 9 | 9 | 9 | 12 | 13 |
min °C | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 8 | 6 | 5 | 6 | 6 | 6 | 8 | 8 | 9 | 11 | 12 |
chill °C | 2 | 1 | 2 | 1 | 0 | 1 | 2 | 5 | 2 | 1 | 3 | 4 | 4 | 6 | 7 | 9 | 10 | 12 |
Freezing level m | 3200 | 2900 | 3200 | 3300 | 3050 | 3050 | 3250 | 3350 | 3150 | 3000 | 3350 | 3650 | 3550 | 3750 | 3900 | 4050 | 4200 | 4350 |
 | 5:31 | — | — | 5:33 | — | — | 5:33 | — | — | 5:35 | — | — | 5:37 | — | — | 5:37 | — | — |
 | — | — | 8:54 | — | — | 8:53 | — | — | 8:52 | — | — | 8:51 | — | — | 8:50 | — | — | 8:49 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Moderate rain (total 12mm), heaviest on Sun afternoon. Mild temperatures (max 9°C on Mon afternoon, min 5°C on Sat afternoon). Mainly fresh winds.
South Twin Sister Weather (Days 3-6):
Light rain (total 2mm), mostly falling on Tue afternoon. Very mild (max 13°C on Thu night, min 5°C on Tue morning). 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 | |||||
SHIP6844 | |||||
SHIP8235 | |||||
SHIP2430 | |||||
SHIP6183 |
* 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.