– 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. Freeze-thaw conditions (max 10°C on Tue afternoon, min -1°C on Sun morning). Wind will be generally light. | Days 4–6 Weather SummaryLight rain (total 3mm), mostly falling on Wed night. Freeze-thaw conditions (max 7°C on Wed morning, min -4°C on Fri night). 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 | cloudy | some clouds | some clouds | cloudy | some clouds | some clouds | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | 1.4 | 0.1 | 1.2 | — | — | — | — | — | — | |
max °C | 1 | 4 | 5 | 6 | 8 | 9 | 8 | 10 | 10 | 7 | 4 | 3 | 1 | 1 | 1 | -3 | -2 | -3 |
min °C | -1 | 3 | 4 | 6 | 7 | 8 | 8 | 9 | 9 | 5 | 3 | 2 | 1 | 1 | -2 | -3 | -3 | -4 |
-4 | 1 | 2 | 4 | 6 | 7 | 8 | 9 | 7 | 2 | 1 | 2 | -1 | -2 | -5 | -6 | -8 | -10 | |
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. Freeze-thaw conditions (max 10°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 3mm), mostly falling on Wed night. Freeze-thaw conditions (max 7°C on Wed morning, min -4°C on Fri 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.