– Lat/Long: 48.71° N 121.99° W
North Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 4 am Thu 17 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Thu 17 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 Thu morning, min 8°C on Fri morning). Wind will be generally light. | Days 4–6 Weather SummaryA light covering of new snow mostly falling on Mon night. Freeze-thaw conditions (max 11°C on Sun night, min -1°C on Tue morning). Winds decreasing (fresh winds from the WSW on Mon night, calm by Tue night). | |||||||||||||||||
Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | | | | | | | |  |  | |  |  | | | |
clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | some clouds | clear | light snow | snow shwrs | clear | clear | |
Cloud base (m) | 9150 | 9100 | 8800 | 650 | 1850 | 600 | 700 | 1550 | ||||||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 1 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 0.1 | — | — | — |
max °C | 12 | 12 | 12 | 9 | 9 | 10 | 9 | 10 | 11 | 10 | 10 | 11 | 7 | 6 | 5 | -1 | 0 | 3 |
min °C | 11 | 11 | 9 | 8 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 8 | 6 | 6 | 0 | -1 | -1 | 1 |
chill °C | 11 | 11 | 8 | 8 | 9 | 9 | 9 | 10 | 9 | 9 | 9 | 6 | 3 | 3 | -7 | -7 | -6 | -3 |
Freezing level m | 4000 | 3950 | 3850 | 3800 | 3800 | 3900 | 3900 | 3850 | 3950 | 3900 | 3900 | 3700 | 3350 | 3100 | 2350 | 1800 | 2100 | 2500 |
 | 6:47 | — | — | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — | 6:52 | — | — | 6:54 | — | — |
 | — | 7:16 | — | — | 7:15 | — | — | 7:12 | — | — | 7:09 | — | — | 7:07 | — | — | 7:06 | — |
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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 Thu morning, min 8°C on Fri morning). Wind will be generally light.
North Twin Sister Weather (Days 3-6):
A light covering of new snow mostly falling on Mon night. Freeze-thaw conditions (max 11°C on Sun night, min -1°C on Tue morning). Winds decreasing (fresh winds from the WSW on Mon night, calm by Tue night).
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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