– Lat/Long: 48.71° N 121.99° W
North Twin Sister
Weather Forecast, United StatesIssued: 10 pm Tue 10 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Tue 10 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Tue 10 Mar Local Time
Updates in:
Update imminent hr min s
3 North Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA heavy fall of snow, heaviest during Thu afternoon. Freeze-thaw conditions (max 1°C on Wed night, min -7°C on Wed night). Winds decreasing (near gales from the W on Wed night, calm by Fri morning). | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Sun afternoon. Becoming milder with moderate rain (total 16mm) on Mon morning. Freeze-thaw conditions (max 5°C on Mon afternoon, min -9°C on Fri night). Winds increasing (calm on Sat night, strong winds from the S by Sun night). | ||||||||||||||||||
Wednesday 11 | Thursday 12 | Friday 13 | Saturday 14 | Sunday 15 | Monday 16 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | |  | |  |  | | |  | |  | | |  |  | |
mod. snow | light snow | mod. snow | mod. snow | light snow | mod. snow | heavy snow | light snow | some clouds | some clouds | some clouds | some clouds | cloudy | light snow | heavy snow | heavy snow | light snow | mod. rain | heavy rain | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
10 | 4 | 6 | 9 | 4 | 9 | 17 | 2 | — | — | — | — | — | 1 | 11 | 11 | 4 | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 8 | 8 | 15 | |
max °C | -6 | -4 | 0 | 1 | -7 | -7 | -6 | -7 | -6 | -6 | -9 | -7 | -4 | -4 | -2 | 2 | 2 | 5 | 4 |
min °C | -6 | -5 | -2 | -7 | -7 | -7 | -7 | -7 | -6 | -9 | -9 | -8 | -7 | -5 | -4 | 1 | 2 | 5 | 2 |
-14 | -12 | -10 | -18 | -17 | -16 | -14 | -10 | -9 | -15 | -17 | -12 | -7 | -12 | -10 | -5 | -4 | 0 | -4 | |
600 | 800 | 1550 | 550 | 550 | 500 | 400 | 600 | 650 | 0 | 400 | 600 | 0 | 650 | 950 | 2200 | 2550 | 2300 | 2600 | |
Cloud base (m) | 600 | 550 | 550 | 600 | 600 | 600 | 600 | 600 | 550 | 1650 | 650 | 800 | 2450 | 1500 | 600 | 600 | 600 | 600 | 600 |
 | — | 7:30 | — | — | 7:28 | — | — | 7:26 | — | — | 7:22 | — | — | 7:20 | — | — | 7:18 | — | — |
 | — | — | 7:06 | — | — | 7:07 | — | — | 7:08 | — | — | 7:10 | — | — | 7:12 | — | — | 7:14 | — |
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North Twin Sister Weather (Days 0-3):
The weather forecast for North Twin Sister is: A heavy fall of snow, heaviest during Thu afternoon. Freeze-thaw conditions (max 1°C on Wed night, min -7°C on Wed night). Winds decreasing (near gales from the W on Wed night, calm by Fri morning).
North Twin Sister Weather (Days 3-6):
A heavy fall of snow, heaviest during Sun afternoon. Becoming milder with moderate rain (total 16mm) on Mon morning. Freeze-thaw conditions (max 5°C on Mon afternoon, min -9°C on Fri night). Winds increasing (calm on Sat night, strong winds from the S 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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