– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 9 am Sun 22 Dec Local TimeUpdates in: hr min sUpdate imminent
South Twin SisterWeather Forecast, United States
Issued: 9 am Sun 22 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Sun 22 Dec Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 54mm), heaviest during Sun night. Mild temperatures (max 7°C on Mon afternoon, min 2°C on Tue afternoon). Wind will be generally light. | Days 4–6 Weather SummaryHeavy rain (total 105mm), heaviest during Thu morning. Temperatures will be slightly above freezing (max 4°C on Thu afternoon, min 2°C on Thu morning). Wind will be generally light. | |||||||||||||||||
Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | | |  | |  |  | | | | | | | |
light rain | mod. rain | rain shwrs | some clouds | cloudy | mod. rain | mod. rain | light rain | light rain | light rain | heavy rain | heavy rain | heavy rain | mod. rain | mod. rain | light rain | light rain | heavy rain | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
2 | 6 | 23 | — | — | 10 | 8 | 1.6 | 2 | 0.9 | 12 | 35 | 25 | 7 | 7 | 2 | 1.1 | 14 | |
max°C | 6 | 6 | 6 | 6 | 7 | 6 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 4 | 3 | 3 | 3 | 4 |
min°C | 6 | 6 | 5 | 5 | 5 | 3 | 4 | 2 | 2 | 3 | 3 | 3 | 2 | 3 | 3 | 3 | 3 | 3 |
4 | 3 | 2 | 4 | 4 | 1 | 4 | 2 | 2 | 0 | 0 | 0 | -3 | 3 | 3 | 1 | 0 | 0 | |
1450 | 1750 | 1550 | 1400 | 2100 | 1900 | 1100 | 1150 | 1000 | 950 | 1000 | 1250 | 950 | 1150 | 1150 | 1100 | 1150 | 1350 | |
Cloud base (m) | 800 | 600 | 550 | 750 | 650 | 2250 | 550 | 550 | 600 | 600 | 550 | 500 | 500 | 550 | 550 | 550 | 550 | 550 |
 | 7:58 | — | — | 7:58 | — | — | 7:58 | — | — | 8:00 | — | — | 8:00 | — | — | 8:00 | — | — |
 | — | 4:15 | — | — | 4:15 | — | — | 4:15 | — | — | 4:16 | — | — | 4:17 | — | — | 4:17 | — |
South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Heavy rain (total 54mm), heaviest during Sun night. Mild temperatures (max 7°C on Mon afternoon, min 2°C on Tue afternoon). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Heavy rain (total 105mm), heaviest during Thu morning. Temperatures will be slightly above freezing (max 4°C on Thu afternoon, min 2°C on Thu morning). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 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.
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