– Lat/Long: 48.70° N 121.99° W
Twin Sisters Mountain Weather Forecast
Cascade Range · United StatesIssued: 3 am Thu 05 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Thu 05 Nov Local Time
Updates in:
Update imminent hr min s
3 Twin Sisters Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMild with heavy rain (total 37mm), heaviest during Fri night. Becoming colder with a moderate fall of snow heaviest on Sat night. Freeze-thaw conditions (max 8°C on Sat morning, min -1°C on Sat night). Winds increasing (light winds from the SSE on Thu morning, severe gales from the S by Sat night). | Days 4–6 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 12°C on Tue night, min -2°C on Sun morning). Mainly fresh winds. | |||||||||||||||||
Thursday 5 | Friday 6 | Saturday 7 | Sunday 8 | Monday 9 | Tuesday 10 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | |  |  |  | |  | | |  | | | | |
clear | some clouds | light snow | light rain | mod. rain | heavy rain | light rain | cloudy | mod. snow | snow shwrs | some clouds | some clouds | clear | some clouds | clear | some clouds | clear | some clouds | |
Cloud base (m) | 800 | 1900 | 2550 | 650 | 750 | 600 | 600 | 6850 | 700 | 650 | 3800 | 600 | 4650 | 5500 | 3200 | 2750 | 2400 | 5850 |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | 2 | — | — | — | — | — | 10 | 2 | — | — | — | — | — | — | — | — |
mm | — | — | — | 1.8 | 8 | 26 | 0.4 | — | 0.1 | — | — | — | — | — | — | — | — | — |
max °C | 1 | 1 | 3 | 3 | 5 | 7 | 8 | 8 | 7 | -2 | -1 | 2 | 3 | 3 | 6 | 7 | 9 | 12 |
min °C | 1 | 1 | 0 | 2 | 4 | 5 | 7 | 8 | -1 | -2 | -1 | -1 | 2 | 3 | 3 | 6 | 8 | 10 |
chill °C | -2 | -3 | -6 | -4 | -2 | 1 | 2 | 3 | -9 | -9 | -5 | -3 | -2 | -1 | 0 | 2 | 5 | 7 |
Freezing level m | 1600 | 1650 | 2150 | 2200 | 2650 | 2550 | 2800 | 2700 | 1750 | 1250 | 1300 | 1650 | 1950 | 2000 | 2350 | 2600 | 2900 | 3100 |
 | 7:01 | — | — | 7:01 | — | — | 7:03 | — | — | 7:05 | — | — | 7:07 | — | — | 7:07 | — | — |
 | — | 4:40 | — | — | 4:38 | — | — | 4:37 | — | — | 4:36 | — | — | 4:35 | — | — | 4:34 | — |
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Twin Sisters Mountain Weather (Days 0-3):
The weather forecast for Twin Sisters Mountain is: Mild with heavy rain (total 37mm), heaviest during Fri night. Becoming colder with a moderate fall of snow heaviest on Sat night. Freeze-thaw conditions (max 8°C on Sat morning, min -1°C on Sat night). Winds increasing (light winds from the SSE on Thu morning, severe gales from the S by Sat night).
Twin Sisters Mountain Weather (Days 3-6):
A dusting of new snow. Freeze-thaw conditions (max 12°C on Tue night, min -2°C on Sun morning). Mainly fresh winds.
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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