– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 10 pm Sat 09 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Sat 09 May Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Sat 09 May Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Freeze-thaw conditions (max 13°C on Tue afternoon, min 0°C on Sun night). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Freeze-thaw conditions (max 13°C on Tue night, min -1°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Sunday 10 | Monday 11 | Tuesday 12 | Wednesday 13 | Thursday 14 | Friday 15 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  | |  | | | | | | | | |  | | | | |
some clouds | cloudy | some clouds | clear | clear | clear | some clouds | some clouds | clear | clear | some clouds | some clouds | some clouds | cloudy | cloudy | cloudy | some clouds | clear | cloudy | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 7 | 3 | 2 | 1 | 3 | 7 | 9 | 11 | 13 | 13 | 12 | 12 | 12 | 6 | 2 | 1 | -1 | 2 | 3 |
min °C | 4 | 2 | 1 | 0 | 1 | 5 | 7 | 10 | 12 | 12 | 11 | 12 | 8 | 1 | 2 | -1 | -1 | 1 | 2 |
-1 | -3 | -4 | -6 | -2 | 4 | 6 | 9 | 11 | 10 | 9 | 10 | 8 | -1 | -3 | -7 | -6 | -4 | -2 | |
3100 | 2500 | 2300 | 2100 | 2850 | 3250 | 3500 | 3850 | 3900 | 3750 | 3800 | 3750 | 3600 | 2450 | 2500 | 2050 | 1950 | 2600 | 2850 | |
Cloud base (m) | 6650 | 750 | 2150 | 1850 | 950 | 9400 | 7950 | 8150 | 8700 | 8800 | 5700 | 2300 | 1600 | 700 | 650 | 1650 | 6350 | ||
 | — | 5:33 | — | — | 5:31 | — | — | 5:31 | — | — | 5:28 | — | — | 5:28 | — | — | 5:26 | — | — |
 | — | — | — | 8:35 | — | — | 8:36 | — | — | 8:37 | — | — | 8:38 | — | — | 8:39 | — | — | 8:42 |
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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 13°C on Tue afternoon, min 0°C on Sun night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Mostly dry. Freeze-thaw conditions (max 13°C on Tue night, min -1°C on Thu 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.