– Lat/Long: 48.70° N 121.99° W
Twin Sisters Mountain Weather Forecast
Cascade Range · United StatesIssued: 9 am Sun 08 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Sun 08 Nov Local Time
Updates in:
Update imminent hr min s
3 Twin Sisters Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryA light covering of new snow mostly falling on Sun morning will be washed away by heavy rain (total 36mm) on Tue night. Freeze-thaw conditions (max 8°C on Tue night, min 0°C on Sun morning). Winds increasing (calm on Sun night, strong winds from the S by Tue night). | Days 4–6 Weather SummaryHeavy rain (total 26mm), heaviest during Fri afternoon. Later becoming colder with a dusting of snow on Fri night. Very mild (max 12°C on Wed afternoon, min 1°C on Fri night). Winds decreasing (gales from the SSW on Fri morning, moderate winds from the S by Fri night). | |||||||||||||||||
Sunday 8 | Monday 9 | Tuesday 10 | Wednesday 11 | Thursday 12 | Friday 13 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  |  | |  | | |  | | |  |  | |  | |
snow shwrs | some clouds | some clouds | cloudy | mod. rain | snow shwrs | light snow | mod. rain | rain shwrs | cloudy | cloudy | cloudy | cloudy | cloudy | light rain | heavy rain | heavy rain | light snow | |
Cloud base (m) | 750 | 700 | 900 | 700 | 600 | 950 | 600 | 600 | 2300 | 6300 | 6000 | 6300 | 2700 | 2000 | 550 | 500 | 550 | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | 3 | — | — | — | — | 2 | 2 | — | — | — | — | — | — | — | — | — | — | 4 |
mm | — | — | — | — | 6 | 1.7 | 2 | 9 | 17 | — | — | — | — | — | 3 | 11 | 12 | — |
max °C | 1 | 1 | 2 | 1 | 2 | 3 | 3 | 5 | 8 | 10 | 12 | 11 | 8 | 6 | 5 | 3 | 3 | 2 |
min °C | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 5 | 5 | 9 | 11 | 8 | 7 | 5 | 3 | 2 | 3 | 1 |
chill °C | -4 | -2 | 0 | -4 | -4 | -5 | -5 | 0 | 0 | 5 | 8 | 4 | 2 | -1 | -5 | -6 | -5 | -6 |
Freezing level m | 1550 | 1650 | 1900 | 1650 | 1800 | 1800 | 1950 | 2600 | 2850 | 3050 | 3050 | 3000 | 2650 | 2400 | 2250 | 2050 | 2000 | 1750 |
 | 7:05 | — | — | 7:07 | — | — | 7:07 | — | — | 7:09 | — | — | 7:11 | — | — | 7:13 | — | — |
 | — | 4:36 | — | — | 4:35 | — | — | 4:34 | — | — | 4:31 | — | — | 4:30 | — | — | 4:30 | — |
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Twin Sisters Mountain Weather (Days 0-3):
The weather forecast for Twin Sisters Mountain is: A light covering of new snow mostly falling on Sun morning will be washed away by heavy rain (total 36mm) on Tue night. Freeze-thaw conditions (max 8°C on Tue night, min 0°C on Sun morning). Winds increasing (calm on Sun night, strong winds from the S by Tue night).
Twin Sisters Mountain Weather (Days 3-6):
Heavy rain (total 26mm), heaviest during Fri afternoon. Later becoming colder with a dusting of snow on Fri night. Very mild (max 12°C on Wed afternoon, min 1°C on Fri night). Winds decreasing (gales from the SSW on Fri morning, moderate winds from the S by Fri night).
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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