– Lat/Long: 48.71° N 121.99° W
North Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 3 pm Thu 05 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Thu 05 Nov Local Time
Updates in:
Update imminent hr min s
3 North Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryLight rain (total 6mm) on Fri afternoon. Becoming colder with heavy fall of snow, heaviest during Sun morning. Freeze-thaw conditions (max 5°C on Sat morning, min -5°C on Sun morning). Winds increasing (light winds from the SSW on Fri night, severe gales from the S by Sat afternoon). | Days 5–7 Weather SummaryA light covering of new snow mostly falling on Tue morning. Becoming milder with light rain (total 3mm) on Tue afternoon. Freeze-thaw conditions (max 8°C on Wed morning, min -5°C on Sun afternoon). Winds increasing (calm on Sun night, strong winds from the S by Wed morning). | ||||||||||||||||
Thu 5 | Friday 6 | Saturday 7 | Sunday 8 | Monday 9 | Tuesday 10 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | |  |  | |  | |  | |  | |  | |
some clouds | snow shwrs | cloudy | light snow | light snow | light rain | light rain | heavy snow | snow shwrs | snow shwrs | some clouds | some clouds | clear | snow shwrs | mod. snow | light rain | light rain | |
Cloud base (m) | 2800 | 2600 | 600 | 700 | 600 | 850 | 650 | 550 | 600 | 750 | 6550 | 6550 | 2800 | 1550 | 600 | 650 | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | 2 | — | 2 | 3 | — | — | 18 | 10 | 1 | — | — | — | 1 | 6 | — | — |
mm | — | — | — | 3 | — | 2 | 0.1 | — | — | — | — | — | — | — | — | 1.7 | 1.5 |
max °C | -2 | 1 | 2 | 2 | 4 | 5 | 5 | -1 | -4 | -5 | -1 | 1 | 1 | 2 | 2 | 3 | 7 |
min °C | -2 | -1 | 1 | 2 | 1 | 4 | 4 | -3 | -5 | -5 | -4 | 0 | 1 | -1 | 1 | 2 | 4 |
chill °C | -8 | -9 | -5 | -5 | -4 | -2 | -4 | -13 | -14 | -13 | -8 | -4 | -4 | -9 | -6 | -4 | -2 |
Freezing level m | 1750 | 2300 | 2350 | 2700 | 2150 | 2850 | 2650 | 1550 | 1400 | 1250 | 1250 | 2100 | 2200 | 2300 | 2350 | 2450 | 2900 |
 | — | — | 7:01 | — | — | 7:03 | — | — | 7:05 | — | — | 7:07 | — | — | 7:09 | — | — |
 | 4:40 | — | — | 4:38 | — | — | 4:37 | — | — | 4:37 | — | — | 4:35 | — | — | 4:34 | — |
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North Twin Sister Weather (Days 0-3):
The weather forecast for North Twin Sister is: Light rain (total 6mm) on Fri afternoon. Becoming colder with heavy fall of snow, heaviest during Sun morning. Freeze-thaw conditions (max 5°C on Sat morning, min -5°C on Sun morning). Winds increasing (light winds from the SSW on Fri night, severe gales from the S by Sat afternoon).
North Twin Sister Weather (Days 3-6):
A light covering of new snow mostly falling on Tue morning. Becoming milder with light rain (total 3mm) on Tue afternoon. Freeze-thaw conditions (max 8°C on Wed morning, min -5°C on Sun afternoon). Winds increasing (calm on Sun night, strong winds from the S by Wed 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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