– Lat/Long: 48.70° N 121.99° W
Twin Sisters Mountain Weather Forecast
Cascade Range · United StatesIssued: 3 am Sat 07 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Sat 07 Nov Local Time
Updates in:
Update imminent hr min s
3 Twin Sisters Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryA moderate fall of snow, heaviest on Sat night. Turning milder with moderate rain (total 13mm), heaviest on Mon night. Freeze-thaw conditions (max 9°C on Sat morning, min -1°C on Sun afternoon). Winds decreasing (near gales from the S on Sat afternoon, calm by Sun afternoon). | Days 4–6 Weather SummaryModerate rain (total 20mm), heaviest on Tue night. Very mild (max 15°C on Thu morning, min 4°C on Tue morning). Winds increasing (light winds from the SSE on Thu morning, near gales from the S by Thu night). | |||||||||||||||||
Saturday 7 | Sunday 8 | Monday 9 | Tuesday 10 | Wednesday 11 | Thursday 12 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | | |  | |  |  |  | | |  | |  | |
cloudy | light rain | mod. snow | mod. snow | snow shwrs | some clouds | cloudy | cloudy | mod. rain | light rain | mod. rain | rain shwrs | some clouds | some clouds | some clouds | clear | clear | light rain | |
Cloud base (m) | 5600 | 2250 | 550 | 700 | 750 | 850 | 5650 | 900 | 600 | 600 | 600 | 650 | 6450 | 6150 | 8300 | 7700 | 8800 | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | 8 | 6 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | 0.4 | 4 | — | — | — | — | — | 9 | 5 | 6 | 9 | — | — | — | — | — | 0.1 |
max °C | 9 | 9 | 5 | 0 | 0 | 2 | 3 | 1 | 3 | 5 | 6 | 8 | 10 | 11 | 14 | 15 | 13 | 10 |
min °C | 9 | 8 | 0 | 0 | -1 | 0 | 0 | 0 | 2 | 4 | 6 | 6 | 9 | 10 | 11 | 15 | 11 | 6 |
chill °C | 6 | 2 | -8 | -6 | -4 | 0 | -5 | -5 | -3 | -1 | 1 | 1 | 6 | 7 | 9 | 14 | 8 | 0 |
Freezing level m | 2850 | 2700 | 1650 | 1450 | 1400 | 1600 | 1900 | 1750 | 2050 | 2300 | 2750 | 2950 | 3200 | 3300 | 3450 | 3500 | 3250 | 2850 |
 | 7:03 | — | — | 7:05 | — | — | 7:07 | — | — | 7:07 | — | — | 7:09 | — | — | 7:11 | — | — |
 | — | 4:37 | — | — | 4:36 | — | — | 4:35 | — | — | 4:34 | — | — | 4:31 | — | — | 4:30 | — |
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Twin Sisters Mountain Weather (Days 0-3):
The weather forecast for Twin Sisters Mountain is: A moderate fall of snow, heaviest on Sat night. Turning milder with moderate rain (total 13mm), heaviest on Mon night. Freeze-thaw conditions (max 9°C on Sat morning, min -1°C on Sun afternoon). Winds decreasing (near gales from the S on Sat afternoon, calm by Sun afternoon).
Twin Sisters Mountain Weather (Days 3-6):
Moderate rain (total 20mm), heaviest on Tue night. Very mild (max 15°C on Thu morning, min 4°C on Tue morning). Winds increasing (light winds from the SSE on Thu morning, near gales from the S by Thu 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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