– Lat/Long: 48.71° N 121.99° W
North Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 4 am Sun 20 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Sun 20 Sep Local Time
Updates in:
Update imminent hr min s
3 North Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Very mild (max 12°C on Sun afternoon, min 1°C on Tue night). Wind will be generally light. | Days 4–6 Weather SummaryA moderate fall of snow, heaviest on Thu night. Freeze-thaw conditions (max 3°C on Wed afternoon, min -2°C on Fri morning). Wind will be generally light. | |||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  | |  | | |  |  |  |  |  | |  | | |
clear | clear | clear | some clouds | clear | some clouds | clear | rain shwrs | some clouds | some clouds | light rain | light rain | cloudy | light snow | mod. snow | cloudy | snow shwrs | some clouds | |
Cloud base (m) | 9250 | 9400 | 6300 | 7000 | 1650 | 2700 | 1700 | 1750 | 2250 | 1650 | 550 | 600 | 650 | 2050 | ||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 8 | — | 2 | — |
mm | — | — | — | — | — | — | — | 0.1 | — | — | 0.4 | 0.1 | — | — | — | — | — | — |
max °C | 11 | 12 | 12 | 10 | 8 | 7 | 3 | 3 | 3 | 1 | 3 | 3 | 3 | 2 | 0 | -2 | -1 | -1 |
min °C | 11 | 11 | 11 | 8 | 8 | 4 | 3 | 3 | 1 | 1 | 2 | 3 | 3 | 1 | -1 | -2 | -2 | -1 |
chill °C | 10 | 10 | 9 | 5 | 5 | 1 | -1 | 0 | -2 | -3 | -2 | 0 | 0 | -3 | -4 | -6 | -6 | -5 |
Freezing level m | 3900 | 3950 | 3900 | 3600 | 3500 | 3250 | 2700 | 2550 | 2250 | 2250 | 2500 | 2550 | 2550 | 2200 | 1850 | 1700 | 1850 | 1800 |
 | 6:50 | — | — | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — | 6:56 | — | — | 6:58 | — | — |
 | — | 7:09 | — | — | 7:07 | — | — | 7:06 | — | — | 7:04 | — | — | 7:01 | — | — | 7:00 | — |
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North Twin Sister Weather (Days 0-3):
The weather forecast for North Twin Sister is: Mostly dry. Very mild (max 12°C on Sun afternoon, min 1°C on Tue night). Wind will be generally light.
North Twin Sister Weather (Days 3-6):
A moderate fall of snow, heaviest on Thu night. Freeze-thaw conditions (max 3°C on Wed afternoon, min -2°C on Fri morning). Wind will be generally light.
This table gives the weather forecast for North Twin Sister at the specific elevation of 2024 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of North 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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