– Lat/Long: 48.70° N 121.99° W
Twin Sisters Mountain
Weather Forecast, United StatesIssued: 9 pm Thu 19 Feb Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 pm Thu 19 Feb Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Thu 19 Feb Local Time
Updates in:
Update imminent hr min s
3 Twin Sisters Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 1°C on Sat night, min -9°C on Thu night). Wind will be generally light. | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Tue morning. Freeze-thaw conditions (max 1°C on Mon night, min -5°C on Tue afternoon). Winds increasing (light winds from the ESE on Mon afternoon, near gales from the S by Mon night). | ||||||||||||||||||
Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | |  |  | |  | | |  |  | | | | | | |
some clouds | some clouds | cloudy | some clouds | cloudy | cloudy | snow shwrs | light snow | cloudy | light snow | light snow | light snow | mod. snow | mod. snow | light snow | mod. snow | light snow | light snow | light snow | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | 1 | 1 | — | 3 | 1 | 1 | 10 | 10 | 4 | 7 | 5 | 2 | 4 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -8 | -6 | -6 | -2 | -1 | -1 | 1 | 0 | 0 | -1 | -2 | 0 | 1 | -2 | -4 | -5 | -4 | -4 | -4 |
min °C | -9 | -8 | -6 | -5 | -1 | -1 | 0 | 0 | -1 | -3 | -2 | -1 | -1 | -4 | -5 | -5 | -5 | -4 | -4 |
-9 | -13 | -10 | -9 | -5 | -6 | -5 | -5 | -7 | -10 | -6 | -4 | -10 | -11 | -13 | -12 | -11 | -9 | -11 | |
0 | 450 | 700 | 650 | 1350 | 1300 | 1550 | 1600 | 1450 | 1100 | 1100 | 1250 | 1650 | 1150 | 900 | 650 | 800 | 900 | 800 | |
Cloud base (m) | 700 | 800 | 900 | 1600 | 2550 | 2100 | 1550 | 800 | 650 | 750 | 600 | 650 | 550 | 550 | 550 | 600 | 600 | 600 | 600 |
 | — | 7:05 | — | — | 7:03 | — | — | 7:01 | — | — | 7:00 | — | — | 6:58 | — | — | 6:56 | — | — |
 | — | — | 5:37 | — | — | 5:38 | — | — | 5:39 | — | — | 5:42 | — | — | 5:43 | — | — | 5:45 | — |
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Twin Sisters Mountain Weather (Days 0-3):
The weather forecast for Twin Sisters Mountain is: A dusting of new snow. Freeze-thaw conditions (max 1°C on Sat night, min -9°C on Thu night). Wind will be generally light.
Twin Sisters Mountain Weather (Days 3-6):
A heavy fall of snow, heaviest during Tue morning. Freeze-thaw conditions (max 1°C on Mon night, min -5°C on Tue afternoon). Winds increasing (light winds from the ESE on Mon afternoon, near gales from the S by Mon night).
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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