– Lat/Long: 48.71° N 121.99° W
North Twin Sister
Weather Forecast, United StatesIssued: 10 pm Fri 20 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Fri 20 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Fri 20 Mar Local Time
Updates in:
Update imminent hr min s
3 North Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 1°C on Mon afternoon, min -5°C on Sat morning). Wind will be generally light. | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Wed morning. Freeze-thaw conditions (max 1°C on Mon night, min -7°C on Wed night). Winds decreasing (gales from the SSW on Tue night, calm by Thu afternoon). | ||||||||||||||||||
Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | |  | |  | |  | |  |  | |  | | |  | |
some clouds | some clouds | clear | some clouds | snow shwrs | some clouds | cloudy | some clouds | cloudy | cloudy | mod. snow | mod. snow | heavy snow | heavy snow | mod. snow | snow shwrs | some clouds | snow shwrs | clear | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | — | — | — | 1 | — | — | — | — | — | 6 | 6 | 14 | 12 | 7 | 7 | — | 1 | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 0 | -5 | -4 | -5 | -5 | -4 | 0 | 0 | 1 | 1 | -2 | 1 | -2 | -5 | -5 | -5 | -7 | -4 | -3 |
min °C | -3 | -5 | -4 | -5 | -5 | -5 | -3 | 0 | 0 | 0 | -3 | 0 | -4 | -6 | -5 | -7 | -7 | -6 | -4 |
-7 | -9 | -9 | -10 | -9 | -9 | -3 | -2 | 0 | -5 | -9 | -8 | -13 | -12 | -11 | -13 | -12 | -8 | -7 | |
1250 | 850 | 1000 | 700 | 850 | 950 | 1350 | 1550 | 1650 | 1600 | 1100 | 1650 | 950 | 750 | 800 | 550 | 650 | 900 | 0 | |
Cloud base (m) | 700 | 700 | 800 | 1750 | 600 | 600 | 600 | 5550 | 3300 | 600 | 550 | 600 | 600 | 600 | 600 | 650 | 1000 | 650 | |
 | — | 7:09 | — | — | 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 dusting of new snow. Freeze-thaw conditions (max 1°C on Mon afternoon, min -5°C on Sat morning). Wind will be generally light.
North Twin Sister Weather (Days 3-6):
A heavy fall of snow, heaviest during Wed morning. Freeze-thaw conditions (max 1°C on Mon night, min -7°C on Wed night). Winds decreasing (gales from the SSW 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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