– Lat/Long: 48.70° N 121.99° W
Twin Sisters Mountain
Weather Forecast, United StatesIssued: 3 pm Thu 05 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 pm Thu 05 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Thu 05 Mar Local Time
Updates in:
Update imminent hr min s
3 Twin Sisters Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryModerate rain (total 11mm) on Sat night. Becoming colder with heavy fall of snow, heaviest during Sat night. Freeze-thaw conditions (max 3°C on Fri night, min -3°C on Thu afternoon). Winds increasing (light winds from the SSW on Fri morning, fresh winds from the WSW by Sat night). | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Wed morning. Temperatures will be below freezing (max -4°C on Sun afternoon, min -8°C on Mon night). Winds increasing (light winds from the SW on Tue afternoon, strong winds from the SSW by Wed morning). | ||||||||||||||||
Thu 5 | Friday 6 | Saturday 7 | Sunday 8 | Monday 9 | Tuesday 10 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  | |  |  |  |  |  | | | | | | |
some clouds | light snow | light snow | light snow | light snow | light rain | light rain | heavy snow | snow shwrs | cloudy | mod. snow | mod. snow | mod. snow | heavy snow | mod. snow | snow shwrs | light snow | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | 2 | 1 | 2 | 1 | — | — | 18 | 2 | — | 6 | 10 | 8 | 12 | 8 | 1 | 2 | |
— | — | — | — | 0.3 | 0.3 | 4 | 7 | — | — | — | — | — | — | — | — | — | |
max °C | -3 | -1 | 0 | 1 | 3 | 3 | 3 | 2 | -3 | -4 | -6 | -6 | -6 | -8 | -8 | -7 | -6 |
min °C | -3 | -3 | -1 | 1 | 2 | 3 | 3 | 0 | -3 | -5 | -7 | -6 | -7 | -8 | -8 | -7 | -7 |
-7 | -7 | -4 | -2 | -2 | -2 | -2 | -6 | -10 | -12 | -16 | -13 | -15 | -15 | -16 | -11 | -15 | |
1050 | 1000 | 1400 | 1650 | 2350 | 2400 | 2250 | 1800 | 1100 | 1050 | 650 | 600 | 650 | 200 | 400 | 550 | 0 | |
Cloud base (m) | 650 | 750 | 600 | 600 | 600 | 600 | 600 | 600 | 600 | 800 | 600 | 550 | 550 | 600 | 600 | 600 | 1850 |
 | — | — | 6:39 | — | — | 6:37 | — | — | 7:35 | — | — | 6:33 | — | — | 6:31 | — | — |
 | 5:58 | — | — | 5:59 | — | — | 6:00 | — | — | 7:01 | — | — | 6:04 | — | — | 6:05 | — |
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Twin Sisters Mountain Weather (Days 0-3):
The weather forecast for Twin Sisters Mountain is: Moderate rain (total 11mm) on Sat night. Becoming colder with heavy fall of snow, heaviest during Sat night. Freeze-thaw conditions (max 3°C on Fri night, min -3°C on Thu afternoon). Winds increasing (light winds from the SSW on Fri morning, fresh winds from the WSW by Sat night).
Twin Sisters Mountain Weather (Days 3-6):
A heavy fall of snow, heaviest during Wed morning. Temperatures will be below freezing (max -4°C on Sun afternoon, min -8°C on Mon night). Winds increasing (light winds from the SW on Tue afternoon, strong winds from the SSW by Wed morning).
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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