– Lat/Long: 48.70° N 121.99° W
Twin Sisters Mountain Weather Forecast
Cascade Range · United StatesIssued: 10 am Wed 23 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Wed 23 Sep Local Time
Updates in:
Update imminent hr min s
3 Twin Sisters Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMild with moderate rain (total 19mm) on Thu night, Becoming colder with a light covering of snow, mostly falling on Fri night. Freeze-thaw conditions (max 9°C on Thu morning, min 0°C on Fri night). Winds increasing (calm on Wed night, strong winds from the S by Fri morning). | Days 4–6 Weather SummaryMostly dry. Mild temperatures (max 7°C on Sun night, min 1°C on Sat morning). Wind will be generally light. | |||||||||||||||||
Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | Monday 28 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  | |  |  | | |  | |  | | | | | |
some clouds | rain shwrs | rain shwrs | cloudy | cloudy | mod. rain | rain shwrs | mod. rain | mod. snow | cloudy | rain shwrs | some clouds | some clouds | clear | some clouds | some clouds | cloudy | rain shwrs | |
Cloud base (m) | 1550 | 850 | 6600 | 3400 | 3050 | 550 | 800 | 650 | 600 | 700 | 850 | 6950 | 6550 | 7150 | 5150 | 5600 | ||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | 7 | — | — | — | — | — | — | — | — | — |
mm | — | 0.5 | 0.1 | — | — | 10 | 3 | 5 | — | — | 0.1 | — | — | — | — | — | — | 0.2 |
max °C | 5 | 5 | 7 | 9 | 9 | 8 | 5 | 3 | 2 | 1 | 3 | 5 | 5 | 6 | 7 | 5 | 6 | 6 |
min °C | 5 | 5 | 6 | 8 | 9 | 6 | 4 | 3 | 0 | 1 | 2 | 3 | 5 | 6 | 5 | 5 | 6 | 6 |
chill °C | 3 | 2 | 4 | 8 | 9 | 2 | 0 | 1 | -5 | -2 | 2 | 1 | 5 | 6 | 3 | 3 | 5 | 5 |
Freezing level m | 2350 | 2400 | 3100 | 3050 | 2700 | 2500 | 2150 | 2050 | 1600 | 1700 | 2050 | 2600 | 2750 | 2700 | 2500 | 2600 | 2700 | 2600 |
 | 6:54 | — | — | 6:56 | — | — | 6:58 | — | — | 6:58 | — | — | 7:01 | — | — | 7:01 | — | — |
 | — | 7:04 | — | — | 7:01 | — | — | 7:00 | — | — | 6:58 | — | — | 6:54 | — | — | 6:52 | — |
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Twin Sisters Mountain Weather (Days 0-3):
The weather forecast for Twin Sisters Mountain is: Mild with moderate rain (total 19mm) on Thu night, Becoming colder with a light covering of snow, mostly falling on Fri night. Freeze-thaw conditions (max 9°C on Thu morning, min 0°C on Fri night). Winds increasing (calm on Wed night, strong winds from the S by Fri morning).
Twin Sisters Mountain Weather (Days 3-6):
Mostly dry. Mild temperatures (max 7°C on Sun night, min 1°C on Sat 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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