– Lat/Long: 48.71° N 121.99° W
North Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 3 am Mon 09 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Mon 09 Nov Local Time
Updates in:
Update imminent hr min s
3 North Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryA moderate fall of snow heaviest on Mon afternoon. Turning milder with heavy rain (total 32mm), heaviest during Tue afternoon. Freeze-thaw conditions (max 6°C on Wed afternoon, min -2°C on Mon night). Winds increasing (moderate winds from the SSW on Mon night, near gales from the S by Wed morning). | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Fri afternoon. Freeze-thaw conditions (max 6°C on Thu night, min -5°C on Sat night). Mainly severe gales. | |||||||||||||||||
Monday 9 | Tuesday 10 | Wednesday 11 | Thursday 12 | Friday 13 | Saturday 14 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  |  |  |  | | |  | |  |  | | |  | |
some clouds | light snow | snow shwrs | light snow | heavy rain | mod. rain | light rain | cloudy | cloudy | cloudy | cloudy | some clouds | cloudy | mod. snow | mod. snow | mod. snow | light snow | heavy snow | |
Cloud base (m) | 2250 | 1750 | 600 | 800 | 550 | 750 | 850 | 5900 | 5700 | 2600 | 5900 | 3400 | 2150 | 500 | 500 | 500 | 500 | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | 3 | 4 | 4 | — | — | — | — | — | — | — | — | — | 7 | 7 | 6 | 4 | 14 |
mm | — | — | — | — | 22 | 8 | 1.8 | — | — | — | — | — | — | — | — | — | — | — |
max °C | 0 | 0 | -1 | 2 | 3 | 5 | 5 | 6 | 5 | 4 | 4 | 6 | 5 | -1 | -2 | -3 | -3 | -2 |
min °C | 0 | -1 | -2 | 0 | 3 | 4 | 4 | 5 | 4 | 4 | 4 | 5 | 3 | -2 | -3 | -3 | -3 | -5 |
chill °C | -7 | -8 | -8 | -6 | -3 | -3 | -3 | -2 | -2 | -2 | -2 | -1 | -5 | -12 | -13 | -12 | -10 | -14 |
Freezing level m | 2000 | 1750 | 1700 | 2100 | 2600 | 2900 | 2800 | 2850 | 2700 | 2600 | 2650 | 2700 | 2600 | 1900 | 1600 | 1400 | 1450 | 1450 |
 | 7:07 | — | — | 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 moderate fall of snow heaviest on Mon afternoon. Turning milder with heavy rain (total 32mm), heaviest during Tue afternoon. Freeze-thaw conditions (max 6°C on Wed afternoon, min -2°C on Mon night). Winds increasing (moderate winds from the SSW on Mon night, near gales from the S by Wed morning).
North Twin Sister Weather (Days 3-6):
A heavy fall of snow, heaviest during Fri afternoon. Freeze-thaw conditions (max 6°C on Thu night, min -5°C on Sat night). Mainly severe gales.
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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