– Lat/Long: 48.70° N 121.99° W
Twin Sisters Mountain
Weather Forecast, United StatesIssued: 10 am Tue 12 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Tue 12 May Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Tue 12 May Local Time
Updates in:
Update imminent hr min s
3 Twin Sisters Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 22mm), mostly on Tue night. Becoming colder with a light covering of snow ,mostly falling on Wed morning. Freeze-thaw conditions (max 16°C on Tue afternoon, min 0°C on Wed night). Winds increasing (calm on Tue night, fresh winds from the WSW by Wed night). | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Fri afternoon. Freeze-thaw conditions (max 1°C on Sun night, min -4°C on Sat night). Wind will be generally light. | |||||||||||||||||
Tuesday 12 | Wednesday 13 | Thursday 14 | Friday 15 | Saturday 16 | Sunday 17 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  | |  |  | |  |  | | | | | |  | |
cloudy | some clouds | heavy rain | light snow | light snow | light snow | some clouds | rain shwrs | snow shwrs | light snow | mod. snow | mod. snow | light snow | mod. snow | light snow | some clouds | some clouds | cloudy | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | 1 | 2 | 1 | — | — | 1 | 1 | 6 | 8 | 2 | 7 | 5 | — | — | — | |
— | — | 14 | 8 | — | — | — | 0.4 | — | — | — | — | — | — | — | — | — | — | |
max °C | 15 | 16 | 13 | 3 | 1 | 0 | 1 | 2 | 0 | -1 | -1 | -1 | -2 | -2 | -3 | -2 | 0 | 1 |
min °C | 14 | 15 | 5 | 1 | 1 | 0 | 0 | 1 | 0 | -1 | -1 | -2 | -2 | -3 | -4 | -3 | -1 | 0 |
14 | 15 | 2 | -3 | -4 | -7 | -4 | -3 | -5 | -5 | -7 | -5 | -5 | -8 | -7 | -6 | -3 | -3 | |
3700 | 3500 | 2900 | 1750 | 1750 | 1450 | 1600 | 1650 | 1450 | 1350 | 1250 | 1150 | 1250 | 1100 | 950 | 1200 | 1550 | 1600 | |
Cloud base (m) | 5950 | 700 | 550 | 600 | 600 | 850 | 1600 | 600 | 650 | 600 | 600 | 600 | 550 | 600 | 600 | 800 | 700 | |
 | 5:31 | — | — | 5:28 | — | — | 5:28 | — | — | 5:26 | — | — | 5:24 | — | — | 5:24 | — | — |
 | — | — | 8:37 | — | — | 8:38 | — | — | 8:39 | — | — | 8:42 | — | — | 8:43 | — | — | 8:44 |
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Twin Sisters Mountain Weather (Days 0-3):
The weather forecast for Twin Sisters Mountain is: Heavy rain (total 22mm), mostly on Tue night. Becoming colder with a light covering of snow ,mostly falling on Wed morning. Freeze-thaw conditions (max 16°C on Tue afternoon, min 0°C on Wed night). Winds increasing (calm on Tue night, fresh winds from the WSW by Wed night).
Twin Sisters Mountain Weather (Days 3-6):
A heavy fall of snow, heaviest during Fri afternoon. Freeze-thaw conditions (max 1°C on Sun night, min -4°C on Sat 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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