– Lat/Long: 48.70° N 121.99° W
Twin Sisters Mountain Weather Forecast
Cascade Range · United StatesIssued: 4 am Mon 21 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Mon 21 Sep Local Time
Updates in:
Update imminent hr min s
3 Twin Sisters Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Very mild (max 14°C on Mon morning, min 5°C on Tue night). Wind will be generally light. | Days 4–6 Weather SummaryHeavy rain (total 23mm), mostly on Thu afternoon. Becoming colder with a light covering of snow, mostly falling on Thu night. Mild temperatures (max 9°C on Sat night, min 1°C on Thu night). Wind will be generally light. | |||||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  | |  | |  |  |  |  |  | | |  |  | |
some clouds | clear | some clouds | clear | clear | rain shwrs | some clouds | rain shwrs | some clouds | light rain | mod. rain | light snow | light snow | snow shwrs | rain shwrs | clear | cloudy | light rain | |
Cloud base (m) | 6100 | 2200 | 2050 | 1800 | 6050 | 2450 | 650 | 550 | 600 | 650 | 1750 | 1800 | 6800 | |||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | 3 | 3 | 1 | — | — | — | — |
mm | — | — | — | — | — | 0.2 | — | 0.4 | — | 0.2 | 10 | 12 | — | 0.7 | 0.1 | — | — | 0.1 |
max °C | 14 | 11 | 10 | 7 | 7 | 7 | 5 | 7 | 6 | 7 | 4 | 4 | 1 | 2 | 3 | 4 | 7 | 9 |
min °C | 12 | 11 | 7 | 6 | 7 | 5 | 5 | 6 | 6 | 6 | 4 | 1 | 1 | 2 | 3 | 3 | 7 | 4 |
chill °C | 11 | 10 | 5 | 4 | 6 | 3 | 5 | 4 | 5 | 6 | 1 | -3 | -3 | -2 | 1 | 3 | 7 | 1 |
Freezing level m | 3650 | 3500 | 3250 | 2750 | 2650 | 2400 | 2300 | 2600 | 2850 | 2450 | 2300 | 2050 | 1700 | 1850 | 2050 | 2450 | 2700 | 2300 |
 | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — | 6:56 | — | — | 6:58 | — | — | 6:58 | — | — |
 | — | 7:07 | — | — | 7:06 | — | — | 7:04 | — | — | 7:01 | — | — | 7:00 | — | — | 6:58 | — |
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Twin Sisters Mountain Weather (Days 0-3):
The weather forecast for Twin Sisters Mountain is: Mostly dry. Very mild (max 14°C on Mon morning, min 5°C on Tue night). Wind will be generally light.
Twin Sisters Mountain Weather (Days 3-6):
Heavy rain (total 23mm), mostly on Thu afternoon. Becoming colder with a light covering of snow, mostly falling on Thu night. Mild temperatures (max 9°C on Sat night, min 1°C on Thu 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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