– Lat/Long: 48.71° N 121.99° W
North Twin Sister
Weather Forecast, United StatesIssued: 9 pm Fri 12 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 pm Fri 12 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Fri 12 Dec Local Time
Updates in:
Update imminent hr min s
3 North Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryHeavy rain (total 44mm), mostly on Mon morning. Becoming colder with a light covering of snow ,mostly falling on Mon afternoon. Freeze-thaw conditions (max 7°C on Sat morning, min -1°C on Mon afternoon). Winds increasing (light winds from the SSW on Fri night, near gales from the S by Sun night). | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Thu morning. Freeze-thaw conditions (max 1°C on Tue morning, min -6°C on Tue night). Winds increasing (light winds from the SW on Mon night, severe gales from the W by Tue night). | ||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  |  |  |  |  |  | |  | | | |  | | | |
some clouds | some clouds | cloudy | light snow | rain shwrs | light rain | heavy rain | heavy rain | mod. snow | mod. snow | light snow | light snow | heavy snow | mod. snow | mod. snow | mod. snow | heavy snow | mod. snow | heavy snow | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | — | — | 1 | — | — | — | — | 6 | 9 | 2 | 2 | 17 | 6 | 6 | 8 | 16 | 9 | 27 | |
— | — | — | 0.7 | 1.5 | 0.1 | 24 | 14 | 5 | — | — | — | — | — | — | — | — | — | — | |
max°C | 4 | 7 | 7 | 6 | 3 | 3 | 5 | 5 | 4 | -2 | 1 | 1 | 0 | -5 | -4 | -3 | -3 | -6 | -6 |
min°C | 3 | 5 | 7 | 2 | 3 | 3 | 4 | 5 | -1 | -3 | 0 | 1 | -6 | -5 | -5 | -4 | -5 | -6 | -6 |
0 | 2 | 3 | -3 | -3 | -3 | -2 | 0 | -7 | -8 | -6 | -6 | -17 | -15 | -12 | -11 | -13 | -14 | -14 | |
2900 | 2750 | 2800 | 2150 | 2000 | 2100 | 2550 | 2550 | 2100 | 1050 | 1450 | 1650 | 1000 | 750 | 750 | 950 | 1000 | 600 | 650 | |
Cloud base (m) | 1550 | 650 | 6550 | 2250 | 650 | 900 | 550 | 550 | 550 | 600 | 550 | 500 | 500 | 600 | 550 | 550 | 500 | 550 | 550 |
 | — | 7:52 | — | — | 7:52 | — | — | 7:54 | — | — | 7:54 | — | — | 7:54 | — | — | 7:56 | — | — |
 | — | — | 4:10 | — | — | 4:10 | — | — | 4:12 | — | — | 4:12 | — | — | 4:12 | — | — | 4:12 | — |
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North Twin Sister Weather (Days 0-3):
The weather forecast for North Twin Sister is: Heavy rain (total 44mm), mostly on Mon morning. Becoming colder with a light covering of snow ,mostly falling on Mon afternoon. Freeze-thaw conditions (max 7°C on Sat morning, min -1°C on Mon afternoon). Winds increasing (light winds from the SSW on Fri night, near gales from the S by Sun night).
North Twin Sister Weather (Days 3-6):
A heavy fall of snow, heaviest during Thu morning. Freeze-thaw conditions (max 1°C on Tue morning, min -6°C on Tue night). Winds increasing (light winds from the SW on Mon night, severe gales from the W by Tue 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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