– Lat/Long: 48.70° N 121.99° W
Twin Sisters Mountain
Weather Forecast, United StatesIssued: 3 am Mon 15 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 am Mon 15 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Mon 15 Dec Local Time
Updates in:
Update imminent hr min s
3 Twin Sisters Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 77mm), heaviest during Tue night. Later becoming colder with a dusting of snow on Tue night. Very mild (max 11°C on Mon morning, min 2°C on Tue night). Winds increasing (light winds from the W on Mon night, strong winds from the W by Tue night). | Days 4–6 Weather SummaryLight rain (total 10mm) on Thu morning. Becoming colder with heavy fall of snow, heaviest during Fri afternoon. Freeze-thaw conditions (max 5°C on Thu afternoon, min -2°C on Thu night). Wind will be generally light. | |||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | |  |  | |  |  | |  | |  |  | | |  | |
mod. rain | mod. rain | heavy rain | mod. rain | mod. rain | light snow | light snow | mod. rain | light rain | light rain | light rain | rain shwrs | light snow | mod. snow | mod. snow | light snow | light snow | heavy snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | 1 | 1 | — | — | — | — | — | 2 | 8 | 7 | 4 | 2 | 11 | |
8 | 9 | 13 | 9 | 7 | 18 | 3 | 8 | 4 | 5 | 3 | 2 | — | — | — | — | — | — | |
max°C | 11 | 9 | 4 | 5 | 8 | 8 | 2 | 2 | 3 | 3 | 5 | 4 | 1 | 1 | 1 | 1 | 1 | 2 |
min°C | 11 | 5 | 3 | 4 | 6 | 2 | 2 | 2 | 2 | 3 | 4 | -2 | 1 | 1 | 0 | 1 | 1 | 1 |
8 | 2 | 1 | 1 | 2 | -4 | -3 | -2 | 0 | 0 | 0 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | |
2650 | 1850 | 1000 | 1250 | 1800 | 1000 | 750 | 850 | 850 | 1000 | 1550 | 650 | 600 | 650 | 550 | 650 | 700 | 700 | |
Cloud base (m) | 550 | 600 | 600 | 550 | 500 | 500 | 600 | 600 | 550 | 500 | 500 | 550 | 750 | 550 | 550 | 600 | 550 | 550 |
 | 7:54 | — | — | 7:54 | — | — | 7:54 | — | — | 7:56 | — | — | 7:56 | — | — | 7:56 | — | — |
 | — | 4:12 | — | — | 4:12 | — | — | 4:12 | — | — | 4:12 | — | — | 4:13 | — | — | 4:13 | — |
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Twin Sisters Mountain Weather (Days 0-3):
The weather forecast for Twin Sisters Mountain is: Heavy rain (total 77mm), heaviest during Tue night. Later becoming colder with a dusting of snow on Tue night. Very mild (max 11°C on Mon morning, min 2°C on Tue night). Winds increasing (light winds from the W on Mon night, strong winds from the W by Tue night).
Twin Sisters Mountain Weather (Days 3-6):
Light rain (total 10mm) on Thu morning. Becoming colder with heavy fall of snow, heaviest during Fri afternoon. Freeze-thaw conditions (max 5°C on Thu afternoon, min -2°C on Thu night). Wind will be generally light.
This table gives the weather forecast for Twin Sisters Mountain at the specific elevation of 500 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.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
|---|---|---|---|---|---|
 | |||||
SHIP7818 |
* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.
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