– Lat/Long: 48.71° N 121.99° W
North Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 9 am Wed 04 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Wed 04 Nov Local Time
Updates in:
Update imminent hr min s
3 North Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryA light covering of new snow mostly falling on Wed night. Becoming milder with moderate rain (total 12mm) heaviest on Fri night. Freeze-thaw conditions (max 7°C on Fri night, min -1°C on Thu night). Winds increasing (calm on Thu afternoon, fresh winds from the S by Fri afternoon). | Days 4–6 Weather SummaryMild with light rain (total 2mm) on Sat night Becoming colder with a light covering of snow, mostly falling on Sun morning. Freeze-thaw conditions (max 11°C on Sat afternoon, min -2°C on Sun morning). Winds decreasing (severe gales from the S on Sat night, calm by Sun night). | |||||||||||||||||
Wednesday 4 | Thursday 5 | Friday 6 | Saturday 7 | Sunday 8 | Monday 9 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  |  | |  | | |  |  | |  | | |  | |
clear | cloudy | mod. snow | some clouds | some clouds | rain shwrs | light rain | light rain | mod. rain | light rain | cloudy | light snow | snow shwrs | clear | clear | some clouds | clear | some clouds | |
Cloud base (m) | 9300 | 2800 | 600 | 650 | 900 | 2250 | 900 | 700 | 600 | 1800 | 5750 | 2200 | 700 | 800 | 5950 | 2950 | ||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | 6 | — | — | — | — | — | — | — | — | 1 | 5 | — | — | — | — | — |
mm | — | — | — | — | — | 0.1 | 3 | 2 | 6 | 0.1 | — | 2 | — | — | — | — | — | — |
max °C | 5 | 5 | 1 | 1 | 1 | 3 | 3 | 4 | 7 | 9 | 11 | 9 | -2 | -1 | 2 | 3 | 3 | 6 |
min °C | 5 | 2 | 1 | 1 | 1 | -1 | 3 | 4 | 5 | 8 | 11 | 0 | -2 | -2 | -1 | 2 | 3 | 3 |
chill °C | 3 | -4 | -5 | -2 | 1 | -8 | -2 | -2 | 0 | 5 | 8 | -9 | -10 | -7 | -1 | -1 | 0 | 0 |
Freezing level m | 2550 | 2250 | 1650 | 1600 | 1700 | 2250 | 2400 | 2650 | 2400 | 2900 | 3000 | 1950 | 1250 | 1200 | 1300 | 2000 | 2100 | 2250 |
 | 6:58 | — | — | 7:01 | — | — | 7:01 | — | — | 7:03 | — | — | 7:05 | — | — | 7:07 | — | — |
 | — | 4:42 | — | — | 4:40 | — | — | 4:38 | — | — | 4:37 | — | — | 4:37 | — | — | 4:35 | — |
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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 Wed night. Becoming milder with moderate rain (total 12mm) heaviest on Fri night. Freeze-thaw conditions (max 7°C on Fri night, min -1°C on Thu night). Winds increasing (calm on Thu afternoon, fresh winds from the S by Fri afternoon).
North Twin Sister Weather (Days 3-6):
Mild with light rain (total 2mm) on Sat night Becoming colder with a light covering of snow, mostly falling on Sun morning. Freeze-thaw conditions (max 11°C on Sat afternoon, min -2°C on Sun morning). Winds decreasing (severe gales from the S on Sat night, calm by Sun night).
This table gives the weather forecast for North Twin Sister at the specific elevation of 1500 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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