– Lat/Long: 48.70° N 121.99° W
Twin Sisters Mountain
Weather Forecast, United StatesIssued: 10 am Mon 09 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Mon 09 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Mon 09 Mar Local Time
Updates in:
Update imminent hr min s
3 Twin Sisters Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryA heavy fall of snow, heaviest during Mon afternoon. Freeze-thaw conditions (max 1°C on Wed night, min -9°C on Mon night). Winds increasing (light winds from the SSW on Tue morning, gales from the W by Wed night). | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Thu night. Temperatures will be below freezing (max -1°C on Thu night, min -9°C on Sat morning). Winds decreasing (fresh winds from the W on Thu morning, calm by Sat afternoon). | |||||||||||||||||
Monday 9 | Tuesday 10 | Wednesday 11 | Thursday 12 | Friday 13 | Saturday 14 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  | | | | | | |  | |  |  |  |  | |
light snow | mod. snow | heavy snow | light snow | light snow | mod. snow | light snow | mod. snow | mod. snow | light snow | light snow | heavy snow | heavy snow | light snow | light snow | snow shwrs | some clouds | some clouds | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
2 | 9 | 11 | 1 | 5 | 9 | 4 | 8 | 6 | 3 | 5 | 16 | 12 | 1 | 3 | 1 | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -8 | -7 | -8 | -8 | -6 | -6 | -4 | -1 | 1 | -7 | -5 | -1 | -2 | -3 | -6 | -9 | -8 | -3 |
min °C | -8 | -8 | -9 | -9 | -7 | -6 | -5 | -3 | -6 | -7 | -6 | -4 | -2 | -4 | -8 | -9 | -8 | -7 |
-14 | -16 | -17 | -15 | -15 | -14 | -10 | -11 | -16 | -16 | -9 | -8 | -7 | -10 | -14 | -14 | -12 | -7 | |
450 | 500 | 250 | 450 | 600 | 550 | 800 | 1350 | 850 | 600 | 700 | 1050 | 1000 | 800 | 0 | 400 | 500 | 0 | |
Cloud base (m) | 750 | 550 | 600 | 600 | 750 | 600 | 550 | 550 | 600 | 650 | 600 | 550 | 550 | 550 | 600 | 700 | 650 | 600 |
 | 7:33 | — | — | 7:31 | — | — | 7:30 | — | — | 7:28 | — | — | 7:26 | — | — | 7:22 | — | — |
 | — | 7:02 | — | — | 7:05 | — | — | 7:06 | — | — | 7:07 | — | — | 7:08 | — | — | 7:10 | — |
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Twin Sisters Mountain Weather (Days 0-3):
The weather forecast for Twin Sisters Mountain is: A heavy fall of snow, heaviest during Mon afternoon. Freeze-thaw conditions (max 1°C on Wed night, min -9°C on Mon night). Winds increasing (light winds from the SSW on Tue morning, gales from the W by Wed night).
Twin Sisters Mountain Weather (Days 3-6):
A heavy fall of snow, heaviest during Thu night. Temperatures will be below freezing (max -1°C on Thu night, min -9°C on Sat morning). Winds decreasing (fresh winds from the W on Thu morning, calm by Sat afternoon).
This table gives the weather forecast for Twin Sisters Mountain at the specific elevation of 1500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Twin Sisters Mountain. 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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