– Lat/Long: 48.70° N 121.99° W
Twin Sisters Mountain Weather Forecast
Cascade Range · United StatesIssued: 9 am Mon 09 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Mon 09 Nov Local Time
Updates in:
Update imminent hr min s
3 Twin Sisters Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryA dusting of snow. Milder later with heavy rain (total 44mm) on Tue afternoon. Mild temperatures (max 8°C on Wed afternoon, min 1°C on Mon night). Winds increasing (moderate winds from the SE on Mon afternoon, near gales from the S by Wed night). | Days 4–6 Weather SummaryA light fall of snow, heaviest on Fri night. Turning milder with light rain (total 3mm) on Sat night. Freeze-thaw conditions (max 12°C on Thu night, min 0°C on Fri night). Mainly fresh winds. | |||||||||||||||||
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 | |
 |  |  |  | |  | | |  | | |  | | |  |  |  | | |
cloudy | light rain | light snow | heavy rain | heavy rain | mod. rain | light rain | light rain | light rain | cloudy | cloudy | cloudy | cloudy | light rain | mod. snow | some clouds | light snow | light snow | |
Cloud base (m) | 2500 | 2000 | 600 | 650 | 550 | 700 | 600 | 900 | 1600 | 4900 | 5250 | 6700 | 2700 | 500 | 550 | 700 | 550 | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | 6 | — | 2 | 3 |
mm | — | 5 | 1.2 | 10 | 16 | 8 | 1.9 | 0.1 | 1.5 | — | — | — | — | 0.2 | — | — | — | 3 |
max °C | 4 | 2 | 2 | 4 | 6 | 7 | 7 | 8 | 7 | 8 | 9 | 12 | 10 | 6 | 1 | 0 | 1 | 2 |
min °C | 4 | 2 | 1 | 2 | 5 | 6 | 7 | 8 | 7 | 7 | 8 | 10 | 7 | 3 | 0 | 0 | 0 | 1 |
chill °C | -1 | -3 | -5 | -4 | -1 | 0 | 1 | 3 | 1 | 2 | 4 | 7 | 4 | -2 | -7 | -6 | -5 | -4 |
Freezing level m | 2050 | 1950 | 1750 | 2150 | 2600 | 3000 | 2800 | 2700 | 2600 | 2500 | 2700 | 3000 | 2700 | 2250 | 1750 | 1450 | 1450 | 1650 |
 | 7:07 | — | — | 7:07 | — | — | 7:09 | — | — | 7:11 | — | — | 7:13 | — | — | 7:15 | — | — |
 | — | 4:35 | — | — | 4:34 | — | — | 4:31 | — | — | 4:30 | — | — | 4:30 | — | — | 4:29 | — |
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Twin Sisters Mountain Weather (Days 0-3):
The weather forecast for Twin Sisters Mountain is: A dusting of snow. Milder later with heavy rain (total 44mm) on Tue afternoon. Mild temperatures (max 8°C on Wed afternoon, min 1°C on Mon night). Winds increasing (moderate winds from the SE on Mon afternoon, near gales from the S by Wed night).
Twin Sisters Mountain Weather (Days 3-6):
A light fall of snow, heaviest on Fri night. Turning milder with light rain (total 3mm) on Sat night. Freeze-thaw conditions (max 12°C on Thu night, min 0°C on Fri night). 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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