– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 4 am Sun 31 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 am Sun 31 May Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Sun 31 May Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Very mild (max 16°C on Tue afternoon, min 1°C on Sun morning). Wind will be generally light. | Days 4–6 Weather SummaryLight rain (total 5mm), mostly falling on Wed night. Freeze-thaw conditions (max 11°C on Wed morning, min 0°C on Fri morning). Wind will be generally light. | |||||||||||||||||
Sunday 31 | Monday 1 | Tuesday 2 | Wednesday 3 | Thursday 4 | Friday 5 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  | | | |  | |  | |  |  |  | | | |
clear | some clouds | clear | some clouds | some clouds | some clouds | clear | clear | clear | light rain | light rain | light rain | light rain | rain shwrs | rain shwrs | cloudy | some clouds | some clouds | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | 1.4 | 0.1 | 1.3 | 0.5 | 0.8 | 0.6 | — | — | — | |
max °C | 4 | 8 | 9 | 11 | 14 | 14 | 14 | 16 | 16 | 11 | 8 | 6 | 4 | 4 | 4 | 0 | 2 | 2 |
min °C | 1 | 6 | 8 | 10 | 13 | 13 | 13 | 15 | 14 | 10 | 6 | 4 | 4 | 3 | 2 | 0 | 1 | 0 |
-2 | 4 | 7 | 9 | 13 | 13 | 13 | 15 | 14 | 8 | 5 | 2 | 3 | 1 | -1 | -2 | -2 | -4 | |
2300 | 2700 | 2850 | 3150 | 3050 | 3100 | 3000 | 3300 | 3250 | 3000 | 2800 | 2600 | 2400 | 2300 | 2000 | 1550 | 1800 | 1550 | |
Cloud base (m) | 1850 | 2200 | 8500 | 8150 | 6850 | 9100 | 3150 | 9150 | 2800 | 2150 | 850 | 600 | 650 | 600 | 550 | 600 | 1600 | |
 | 5:09 | — | — | 5:09 | — | — | 5:09 | — | — | 5:07 | — | — | 5:07 | — | — | 5:07 | — | — |
 | — | — | 9:00 | — | — | 9:01 | — | — | 9:02 | — | — | 9:04 | — | — | 9:04 | — | — | 9:05 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Mostly dry. Very mild (max 16°C on Tue afternoon, min 1°C on Sun morning). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Light rain (total 5mm), mostly falling on Wed night. Freeze-thaw conditions (max 11°C on Wed morning, min 0°C on Fri morning). 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 |
|---|---|---|---|---|---|
SHIP6216 | |||||
 | |||||
SHIP6461 | |||||
SHIP3428 | |||||
SHIP5260 | |||||
SHIP5463 | |||||
SHIP8097 |
* 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.