– Lat/Long: 48.71° N 121.99° W
North Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 3 pm Mon 09 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Mon 09 Nov Local Time
Updates in:
Update imminent hr min s
3 North Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA light covering of new snow mostly falling on Mon night will be washed away by heavy rain (total 21mm) on Tue afternoon. Freeze-thaw conditions (max 5°C on Tue night, min -2°C on Mon night). Mainly near gales. | Days 5–7 Weather SummaryA moderate fall of snow, heaviest on Fri night. Freeze-thaw conditions (max 7°C on Thu night, min -3°C on Sat morning). Winds increasing (moderate winds from the S on Fri night, strong winds from the S by Sun morning). | ||||||||||||||||
Mon 9 | Tuesday 10 | Wednesday 11 | Thursday 12 | Friday 13 | Saturday 14 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  |  |  | | | |  | | |  | | | | |
light snow | light snow | light snow | heavy rain | light rain | light rain | cloudy | light rain | cloudy | cloudy | cloudy | cloudy | light rain | mod. snow | light snow | cloudy | light snow | |
Cloud base (m) | 1700 | 600 | 650 | 550 | 700 | 800 | 1500 | 1700 | 5000 | 4300 | 2750 | 2450 | 500 | 650 | 550 | 550 | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | 2 | 4 | 3 | — | — | — | — | — | — | — | — | — | — | 7 | 2 | — | 5 |
mm | — | — | — | 14 | 5 | 1.9 | — | 0.1 | — | — | — | — | 0.1 | — | — | — | — |
max °C | 0 | 0 | 2 | 4 | 5 | 5 | 5 | 4 | 5 | 6 | 7 | 3 | 3 | 0 | -2 | -3 | -1 |
min °C | -1 | -2 | 1 | 3 | 4 | 5 | 5 | 4 | 4 | 5 | 3 | 3 | 3 | -2 | -3 | -3 | -3 |
chill °C | -8 | -9 | -5 | -4 | -3 | -2 | -2 | -3 | -2 | 0 | -4 | -3 | -3 | -9 | -10 | -10 | -10 |
Freezing level m | 1850 | 1700 | 2300 | 2500 | 2850 | 2800 | 2800 | 2550 | 2650 | 2700 | 2400 | 2350 | 2350 | 1850 | 1600 | 1550 | 1550 |
 | — | — | 7:09 | — | — | 7:09 | — | — | 7:11 | — | — | 7:13 | — | — | 7:15 | — | — |
 | 4:35 | — | — | 4:34 | — | — | 4:31 | — | — | 4:30 | — | — | 4:30 | — | — | 4:29 | — |
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North Twin Sister Weather (Days 0-3):
The weather forecast for North Twin Sister is: A light covering of new snow mostly falling on Mon night will be washed away by heavy rain (total 21mm) on Tue afternoon. Freeze-thaw conditions (max 5°C on Tue night, min -2°C on Mon night). Mainly near gales.
North Twin Sister Weather (Days 3-6):
A moderate fall of snow, heaviest on Fri night. Freeze-thaw conditions (max 7°C on Thu night, min -3°C on Sat morning). Winds increasing (moderate winds from the S on Fri night, strong winds from the S by Sun morning).
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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