– Lat/Long: 48.71° N 121.99° W
North Twin Sister
Weather Forecast, United StatesIssued: 10 am Thu 18 Apr Local TimeUpdates in: hr min sUpdate imminent
North Twin SisterWeather Forecast, United States
Issued: 10 am Thu 18 Apr Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Thu 18 Apr 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 Sat night. Freeze-thaw conditions (max 7°C on Sat afternoon, min -4°C on Sat night). Winds increasing (light winds from the ESE on Fri afternoon, fresh winds from the S by Sat night). | Days 4–6 Weather SummaryA light covering of new snow mostly falling on Sun morning. Freeze-thaw conditions (max 8°C on Tue afternoon, min -4°C on Sun morning). Wind will be generally light. | |||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | |  | |  |  |  |  | |  | | | |  | |
clear | cloudy | clear | clear | clear | clear | some clouds | cloudy | heavy snow | light snow | snow shwrs | some clouds | clear | rain shwrs | some clouds | some clouds | cloudy | light snow | |
km/h | ||||||||||||||||||
Wave Height Map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | 19 | 4 | 1.0 | — | — | — | — | — | — | 2.0 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | 0.1 | — | — | — | 0.8 | |
max°C | 1 | 3 | 3 | 3 | 6 | 6 | 6 | 7 | 0 | -4 | -2 | -2 | -1 | 4 | 6 | 6 | 8 | 6 |
min°C | 0 | 2 | 2 | 2 | 5 | 4 | 5 | 1 | -4 | -4 | -3 | -3 | -2 | 2 | 5 | 6 | 8 | -2 |
-3 | -1 | -1 | 0 | 3 | 2 | 2 | -4 | -10 | -11 | -7 | -5 | -4 | 2 | 3 | 4 | 7 | -9 | |
1600 | 1850 | 1800 | 1800 | 2100 | 2100 | 2250 | 1700 | 850 | 900 | 1200 | 900 | 1350 | 2100 | 2300 | 2350 | 2450 | 1300 | |
Cloud base (m) | 3100 | 3200 | 8500 | 6600 | 2250 | 600 | 600 | 650 | 650 | 750 | 950 | 5550 | 5600 | 2500 | 700 | |||
 | 6:09 | — | — | 6:07 | — | — | 6:05 | — | — | 6:03 | — | — | 6:01 | — | — | 6:00 | — | — |
 | — | — | 8:05 | — | — | 8:06 | — | — | 8:07 | — | — | 8:08 | — | — | 8:09 | — | — | 8:12 |
North Twin Sister Weather (Days 0-3):
The weather forecast for North Twin Sister is: A moderate fall of snow, heaviest on Sat night. Freeze-thaw conditions (max 7°C on Sat afternoon, min -4°C on Sat night). Winds increasing (light winds from the ESE on Fri afternoon, fresh winds from the S by Sat night).
North Twin Sister Weather (Days 3-6):
A light covering of new snow mostly falling on Sun morning. Freeze-thaw conditions (max 8°C on Tue afternoon, min -4°C on Sun morning). Wind will be generally light.
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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