– Lat/Long: 48.71° N 121.99° W
North Twin Sister
Weather Forecast, United StatesIssued: 4 pm Sat 21 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Sat 21 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Sat 21 Mar Local Time
Updates in:
Update imminent hr min s
3 North Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA light covering of new snow mostly falling on Tue morning. Freeze-thaw conditions (max 2°C on Mon afternoon, min -5°C on Sat night). Winds increasing (calm on Sun afternoon, strong winds from the SSW by Tue morning). | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 4°C on Fri morning, min -7°C on Thu morning). Winds decreasing (near gales from the S on Tue night, calm by Thu afternoon). | ||||||||||||||||
Sat 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | |  |  |  |  |  |  | |  |  | |  | |
clear | some clouds | some clouds | some clouds | cloudy | some clouds | cloudy | light snow | mod. snow | light snow | heavy snow | heavy snow | light snow | mod. snow | snow shwrs | snow shwrs | clear | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | 2 | 7 | 3 | 22 | 11 | 4 | 9 | 4 | 1 | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -4 | -4 | -4 | -3 | 0 | 1 | 2 | 2 | 1 | 1 | -1 | -6 | -5 | -6 | -7 | -4 | 1 |
min °C | -4 | -5 | -5 | -4 | -2 | 1 | 1 | -2 | -2 | 0 | -6 | -6 | -6 | -6 | -7 | -5 | -4 |
-8 | -10 | -8 | -6 | -2 | -1 | 1 | -9 | -9 | -7 | -15 | -14 | -12 | -13 | -14 | -8 | -4 | |
1050 | 700 | 900 | 1100 | 1450 | 1650 | 1800 | 1600 | 1800 | 1650 | 650 | 650 | 800 | 500 | 650 | 900 | 0 | |
Cloud base (m) | 700 | 1900 | 600 | 600 | 5750 | 5650 | 2550 | 550 | 550 | 600 | 600 | 600 | 600 | 650 | 650 | 650 | |
 | — | — | 7:07 | — | — | 7:05 | — | — | 7:03 | — | — | 7:01 | — | — | 6:58 | — | — |
 | 7:21 | — | — | 7:22 | — | — | 7:23 | — | — | 7:25 | — | — | 7:27 | — | — | 7:29 | — |
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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 Tue morning. Freeze-thaw conditions (max 2°C on Mon afternoon, min -5°C on Sat night). Winds increasing (calm on Sun afternoon, strong winds from the SSW by Tue morning).
North Twin Sister Weather (Days 3-6):
A heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 4°C on Fri morning, min -7°C on Thu morning). Winds decreasing (near gales from the S on Tue night, calm by Thu afternoon).
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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