– Lat/Long: 48.70° N 121.99° W
Twin Sisters Mountain
Weather Forecast, United StatesIssued: 3 pm Wed 03 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 pm Wed 03 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Wed 03 Dec Local Time
Updates in:
Update imminent hr min s
3 Twin Sisters Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryLight rain (total 2mm) on Fri morning. Becoming colder with heavy fall of snow, heaviest during Fri night. Freeze-thaw conditions (max 2°C on Fri morning, min -2°C on Wed afternoon). Winds increasing (calm on Wed afternoon, strong winds from the WSW by Fri night). | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Sat afternoon. Becoming milder with light rain (total 8mm) on Mon night. Freeze-thaw conditions (max 3°C on Mon night, min -3°C on Mon night). Mainly near gales. | ||||||||||||||||
Wed 3 | Thursday 4 | Friday 5 | Saturday 6 | Sunday 7 | Monday 8 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | | |  | |  |  | |  | | | | | |
some clouds | light snow | mod. snow | light snow | light snow | light snow | light snow | heavy snow | light snow | heavy snow | mod. snow | heavy snow | snow shwrs | light snow | light snow | mod. snow | mod. snow | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | 1 | 6 | 1 | 2 | 2 | 4 | 19 | 5 | 13 | 6 | 12 | 5 | 3 | 1 | 8 | 8 | |
— | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | 8 | |
max°C | -2 | -1 | -1 | 0 | 1 | 2 | 1 | 0 | -1 | -1 | 0 | 2 | -1 | -1 | -1 | 1 | 3 |
min°C | -2 | -1 | -1 | 0 | 0 | 2 | 1 | -1 | -2 | -1 | -1 | 0 | -2 | -2 | -1 | -2 | -3 |
-2 | -4 | -4 | -3 | -2 | -3 | -6 | -9 | -10 | -6 | -6 | -8 | -10 | -8 | -8 | -10 | -10 | |
1100 | 1250 | 1300 | 1400 | 1550 | 1900 | 1700 | 1500 | 1250 | 1250 | 1450 | 1550 | 1350 | 1200 | 1300 | 1100 | 1150 | |
Cloud base (m) | 600 | 600 | 600 | 600 | 600 | 550 | 550 | 550 | 600 | 550 | 600 | 550 | 600 | 600 | 600 | 600 | 600 |
 | — | — | 7:43 | — | — | 7:43 | — | — | 7:45 | — | — | 7:46 | — | — | 7:47 | — | — |
 | 4:13 | — | — | 4:12 | — | — | 4:12 | — | — | 4:12 | — | — | 4:12 | — | — | 4:10 | — |
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Twin Sisters Mountain Weather (Days 0-3):
The weather forecast for Twin Sisters Mountain is: Light rain (total 2mm) on Fri morning. Becoming colder with heavy fall of snow, heaviest during Fri night. Freeze-thaw conditions (max 2°C on Fri morning, min -2°C on Wed afternoon). Winds increasing (calm on Wed afternoon, strong winds from the WSW by Fri night).
Twin Sisters Mountain Weather (Days 3-6):
A heavy fall of snow, heaviest during Sat afternoon. Becoming milder with light rain (total 8mm) on Mon night. Freeze-thaw conditions (max 3°C on Mon night, min -3°C on Mon night). Mainly near gales.
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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