– Lat/Long: 48.70° N 121.99° W
Twin Sisters Mountain
Weather Forecast, United StatesIssued: 4 pm Sun 15 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Sun 15 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Sun 15 Mar Local Time
Updates in:
Update imminent hr min s
3 Twin Sisters Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA moderate fall of snow heaviest on Sun night. Turning milder with heavy rain (total 36mm), heaviest during Tue night. Freeze-thaw conditions (max 6°C on Tue afternoon, min -4°C on Sun afternoon). Winds increasing (light winds from the SSE on Sun afternoon, fresh winds from the S by Mon morning). | Days 5–7 Weather SummaryHeavy rain (total 74mm), heaviest during Thu afternoon. Later becoming colder with a dusting of snow on Fri morning. Freeze-thaw conditions (max 4°C on Wed afternoon, min -5°C on Sat morning). Winds decreasing (strong winds from the S on Thu morning, calm by Sat morning). | ||||||||||||||||
Sun 15 | Monday 16 | Tuesday 17 | Wednesday 18 | Thursday 19 | Friday 20 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  | | |  |  | | | |  | | |  |  | |
light snow | heavy snow | light snow | light rain | light snow | light rain | light rain | heavy rain | mod. rain | mod. rain | heavy rain | mod. rain | heavy rain | heavy rain | light snow | snow shwrs | some clouds | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
1 | 11 | 2 | — | 2 | — | — | — | — | — | — | — | — | — | 2 | 1 | — | |
— | — | 6 | 3 | 0.4 | 2 | 1.3 | 17 | 6 | 10 | 15 | 7 | 14 | 18 | 7 | 3 | — | |
max °C | -3 | 1 | 2 | 5 | 4 | 5 | 6 | 6 | 5 | 4 | 4 | 4 | 4 | 4 | 3 | 2 | 0 |
min °C | -4 | -3 | 1 | 5 | 2 | 3 | 5 | 5 | 5 | 4 | 4 | 4 | 3 | 4 | 2 | 1 | -4 |
-9 | -10 | -5 | 1 | -4 | -3 | 0 | 0 | 2 | -1 | -2 | -2 | -4 | -1 | -3 | -3 | -7 | |
800 | 1750 | 2400 | 2350 | 2150 | 2400 | 2450 | 2500 | 2400 | 2400 | 2550 | 2700 | 2400 | 2250 | 1800 | 1600 | 900 | |
Cloud base (m) | 1750 | 600 | 600 | 600 | 750 | 600 | 600 | 550 | 600 | 550 | 600 | 600 | 600 | 600 | 600 | 600 | 900 |
 | — | — | 7:18 | — | — | 7:16 | — | — | 7:15 | — | — | 7:13 | — | — | 7:11 | — | — |
 | 7:12 | — | — | 7:14 | — | — | 7:15 | — | — | 7:16 | — | — | 7:17 | — | — | 7:20 | — |
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Twin Sisters Mountain Weather (Days 0-3):
The weather forecast for Twin Sisters Mountain is: A moderate fall of snow heaviest on Sun night. Turning milder with heavy rain (total 36mm), heaviest during Tue night. Freeze-thaw conditions (max 6°C on Tue afternoon, min -4°C on Sun afternoon). Winds increasing (light winds from the SSE on Sun afternoon, fresh winds from the S by Mon morning).
Twin Sisters Mountain Weather (Days 3-6):
Heavy rain (total 74mm), heaviest during Thu afternoon. Later becoming colder with a dusting of snow on Fri morning. Freeze-thaw conditions (max 4°C on Wed afternoon, min -5°C on Sat morning). Winds decreasing (strong winds from the S on Thu morning, calm by Sat morning).
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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