– Lat/Long: 48.70° N 121.99° W
Twin Sisters Mountain Weather Forecast
Cascade Range · United StatesIssued: 10 am Wed 14 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Wed 14 Oct Local Time
Updates in:
Update imminent hr min s
3 Twin Sisters Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryLight rain (total 2mm), mostly falling on Fri night. Very mild (max 15°C on Thu afternoon, min 5°C on Fri night). Winds increasing (calm on Wed night, fresh winds from the S by Fri night). | Days 4–6 Weather SummaryLight rain (total 4mm) at first, then becoming colder with a dusting of snow on Sat morning. Freeze-thaw conditions (max 6°C on Sun night, min 0°C on Mon morning). Wind will be generally light. | |||||||||||||||||
Wednesday 14 | Thursday 15 | Friday 16 | Saturday 17 | Sunday 18 | Monday 19 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | | | | |  |  |  | |  | |  | | |  | |
rain shwrs | rain shwrs | clear | clear | clear | clear | clear | clear | rain shwrs | light snow | some clouds | clear | cloudy | cloudy | light rain | cloudy | light snow | snow shwrs | |
Cloud base (m) | 800 | 1650 | 9400 | 8300 | 3050 | 600 | 950 | 6400 | 5300 | 1500 | 600 | 650 | ||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | 1 | 1 |
mm | 0.1 | 0.1 | — | — | — | — | — | — | 2 | 4 | — | — | — | — | 0.2 | — | — | — |
max °C | 7 | 8 | 11 | 14 | 15 | 15 | 15 | 14 | 11 | 4 | 1 | 2 | 4 | 5 | 6 | 2 | 0 | 0 |
min °C | 6 | 7 | 8 | 12 | 14 | 15 | 15 | 14 | 5 | 1 | 1 | 1 | 3 | 4 | 3 | 0 | 0 | 0 |
chill °C | 5 | 6 | 8 | 11 | 14 | 14 | 14 | 12 | 1 | -4 | -3 | -1 | 1 | 4 | 1 | 0 | 0 | 0 |
Freezing level m | 3400 | 3600 | 3900 | 3900 | 3950 | 3850 | 3800 | 3600 | 2900 | 1700 | 1700 | 1750 | 2300 | 2500 | 2150 | 1500 | 1500 | 1500 |
 | 7:26 | — | — | 7:26 | — | — | 7:28 | — | — | 7:30 | — | — | 7:31 | — | — | 7:33 | — | — |
 | — | 6:21 | — | — | 6:19 | — | — | 6:16 | — | — | 6:15 | — | — | 6:13 | — | — | 6:10 | — |
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Twin Sisters Mountain Weather (Days 0-3):
The weather forecast for Twin Sisters Mountain is: Light rain (total 2mm), mostly falling on Fri night. Very mild (max 15°C on Thu afternoon, min 5°C on Fri night). Winds increasing (calm on Wed night, fresh winds from the S by Fri night).
Twin Sisters Mountain Weather (Days 3-6):
Light rain (total 4mm) at first, then becoming colder with a dusting of snow on Sat morning. Freeze-thaw conditions (max 6°C on Sun night, min 0°C on Mon morning). 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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