– Lat/Long: 48.70° N 121.99° W
Twin Sisters Mountain Weather Forecast
Cascade Range · United StatesIssued: 3 pm Fri 13 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Fri 13 Nov Local Time
Updates in:
Update imminent hr min s
3 Twin Sisters Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA light fall of snow, heaviest on Fri afternoon. Turning milder with light rain (total 4mm) on Sat night. Freeze-thaw conditions (max 3°C on Fri afternoon, min -2°C on Sun night). Winds decreasing (strong winds from the S on Sat night, light winds from the S by Mon morning). | Days 5–7 Weather SummaryA light covering of new snow mostly falling on Mon afternoon. Freeze-thaw conditions (max 3°C on Tue night, min -3°C on Mon night). Wind will be generally light. | ||||||||||||||||
Fri 13 | Saturday 14 | Sunday 15 | Monday 16 | Tuesday 17 | Wednesday 18 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | | |  | | | |  |  | | | | | |
light snow | light snow | cloudy | light snow | light snow | light snow | cloudy | some clouds | cloudy | light snow | some clouds | some clouds | clear | some clouds | cloudy | cloudy | some clouds | |
Cloud base (m) | 1600 | 500 | 550 | 600 | 1450 | 550 | 700 | 600 | 900 | 750 | 600 | 650 | 700 | 600 | 3300 | 2350 | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | 2 | 1 | — | 2 | 3 | 2 | — | — | — | 5 | — | — | — | — | — | — | — |
mm | 0.9 | — | — | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 3 | 1 | 1 | 2 | 3 | 1 | -1 | -1 | -2 | -2 | -2 | -2 | -1 | 3 | 2 | -1 | 0 |
min °C | 1 | 1 | 1 | 1 | 1 | 0 | -1 | -2 | -2 | -2 | -3 | -3 | -2 | 1 | 1 | -1 | -1 |
chill °C | -5 | -4 | -5 | -4 | -4 | -7 | -8 | -9 | -6 | -6 | -7 | -7 | -6 | -2 | -1 | -4 | -4 |
Freezing level m | 2050 | 1700 | 1600 | 1700 | 1800 | 1700 | 1400 | 1250 | 1300 | 1150 | 1100 | 1150 | 1250 | 1750 | 1800 | 1400 | 1400 |
 | — | — | 7:15 | — | — | 7:16 | — | — | 7:18 | — | — | 7:18 | — | — | 7:20 | — | — |
 | 4:30 | — | — | 4:29 | — | — | 4:27 | — | — | 4:25 | — | — | 4:24 | — | — | 4:23 | — |
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Twin Sisters Mountain Weather (Days 0-3):
The weather forecast for Twin Sisters Mountain is: A light fall of snow, heaviest on Fri afternoon. Turning milder with light rain (total 4mm) on Sat night. Freeze-thaw conditions (max 3°C on Fri afternoon, min -2°C on Sun night). Winds decreasing (strong winds from the S on Sat night, light winds from the S by Mon morning).
Twin Sisters Mountain Weather (Days 3-6):
A light covering of new snow mostly falling on Mon afternoon. Freeze-thaw conditions (max 3°C on Tue night, min -3°C on Mon night). Wind will be generally light.
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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