– Lat/Long: 48.70° N 121.99° W
Twin Sisters Mountain Weather Forecast
Cascade Range · United StatesIssued: 9 am Wed 11 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Wed 11 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 Fri night. Freeze-thaw conditions (max 11°C on Thu night, min 0°C on Fri night). Winds decreasing (strong winds from the S on Wed afternoon, light winds from the E by Thu night). | Days 4–6 Weather SummaryMild at first with light rain (total 5mm) on Sat night followed by colder weather and light fall of snow, heaviest on Sat night. Freeze-thaw conditions (max 2°C on Sat night, min -1°C on Sun night). Winds decreasing (strong winds from the S on Sun afternoon, calm by Mon night). | |||||||||||||||||
Wednesday 11 | Thursday 12 | Friday 13 | Saturday 14 | Sunday 15 | Monday 16 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | | |  |  | | | | | | |  | |  | |
light rain | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | light snow | light snow | cloudy | light snow | light snow | light snow | light snow | light snow | some clouds | some clouds | clear | |
Cloud base (m) | 1850 | 5900 | 6050 | 5500 | 5200 | 5650 | 2400 | 500 | 600 | 600 | 550 | 550 | 550 | 650 | 650 | 700 | 950 | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | 1 | 5 | — | 1 | 4 | 3 | 1 | 2 | — | — | — |
mm | 0.6 | — | — | — | — | — | — | 0.1 | — | — | — | 5 | — | — | — | — | — | — |
max °C | 9 | 9 | 8 | 8 | 10 | 11 | 10 | 6 | 2 | 1 | 1 | 2 | 2 | 0 | -1 | -1 | -1 | -1 |
min °C | 9 | 8 | 7 | 7 | 10 | 10 | 9 | 2 | 0 | 0 | 1 | 2 | 2 | 0 | -1 | -1 | -1 | -1 |
chill °C | 5 | 3 | 2 | 2 | 7 | 9 | 5 | -2 | -6 | -6 | -4 | -4 | -4 | -7 | -8 | -7 | -6 | -5 |
Freezing level m | 2850 | 2700 | 2700 | 2550 | 2750 | 2950 | 2700 | 2350 | 1800 | 1500 | 1650 | 1950 | 1850 | 1600 | 1350 | 1300 | 1350 | 1250 |
 | 7:09 | — | — | 7:11 | — | — | 7:13 | — | — | 7:15 | — | — | 7:16 | — | — | 7:18 | — | — |
 | — | 4:31 | — | — | 4:30 | — | — | 4:30 | — | — | 4:29 | — | — | 4:27 | — | — | 4:25 | — |
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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 Fri night. Freeze-thaw conditions (max 11°C on Thu night, min 0°C on Fri night). Winds decreasing (strong winds from the S on Wed afternoon, light winds from the E by Thu night).
Twin Sisters Mountain Weather (Days 3-6):
Mild at first with light rain (total 5mm) on Sat night followed by colder weather and light fall of snow, heaviest on Sat night. Freeze-thaw conditions (max 2°C on Sat night, min -1°C on Sun night). Winds decreasing (strong winds from the S on Sun afternoon, calm by Mon 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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