– Lat/Long: 48.70° N 121.99° W
Twin Sisters Mountain
Weather Forecast, United StatesIssued: 3 pm Mon 08 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 pm Mon 08 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Mon 08 Dec Local Time
Updates in:
Update imminent hr min s
3 Twin Sisters Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryHeavy rain (total 39mm) on Mon afternoon. Becoming colder with heavy fall of snow, heaviest during Mon night. Freeze-thaw conditions (max 5°C on Tue night, min -3°C on Mon night). Winds decreasing (strong winds from the WSW on Mon afternoon, light winds from the SSE by Tue morning). | Days 5–7 Weather SummaryMild at first with light rain (total 10mm) on Fri afternoon followed by colder weather and light fall of snow, heaviest on Sat night. Freeze-thaw conditions (max 3°C on Thu night, min -1°C on Sat night). Winds increasing (light winds from the SW on Thu afternoon, strong winds from the S by Sat afternoon). | ||||||||||||||||
Mon 8 | Tuesday 9 | Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  |  |  | | | |  | |  | | | | |
heavy rain | mod. snow | some clouds | cloudy | light snow | mod. snow | light snow | heavy snow | light snow | cloudy | light snow | light rain | light rain | light rain | cloudy | light rain | mod. snow | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | 10 | — | — | 2 | 9 | 5 | 13 | 1 | — | 2 | — | — | — | — | — | 10 | |
21 | — | — | — | 18 | — | — | — | — | — | 0.8 | 1.9 | 2 | 2 | — | 1.4 | 1.2 | |
max°C | 4 | 0 | -1 | 0 | 5 | 1 | 2 | 2 | 0 | 1 | 3 | 3 | 3 | 3 | 3 | 3 | 2 |
min°C | 3 | -3 | -2 | -2 | 2 | 1 | 2 | 1 | 0 | 0 | 0 | 3 | 2 | 2 | 3 | 2 | -1 |
-2 | -9 | -6 | -7 | -3 | -4 | -3 | -3 | -5 | -2 | -3 | -2 | -3 | -2 | -1 | -5 | -6 | |
2200 | 1100 | 1250 | 1550 | 2400 | 1850 | 1950 | 1800 | 1550 | 1600 | 1900 | 2150 | 2000 | 2000 | 2250 | 2000 | 1750 | |
Cloud base (m) | 550 | 750 | 700 | 2150 | 550 | 550 | 550 | 600 | 600 | 2350 | 600 | 600 | 550 | 550 | 600 | 850 | 550 |
 | — | — | 7:48 | — | — | 7:48 | — | — | 7:50 | — | — | 7:50 | — | — | 7:52 | — | — |
 | 4:10 | — | — | 4:10 | — | — | 4:10 | — | — | 4:10 | — | — | 4:10 | — | — | 4:10 | — |
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Twin Sisters Mountain Weather (Days 0-3):
The weather forecast for Twin Sisters Mountain is: Heavy rain (total 39mm) on Mon afternoon. Becoming colder with heavy fall of snow, heaviest during Mon night. Freeze-thaw conditions (max 5°C on Tue night, min -3°C on Mon night). Winds decreasing (strong winds from the WSW on Mon afternoon, light winds from the SSE by Tue morning).
Twin Sisters Mountain Weather (Days 3-6):
Mild at first with light rain (total 10mm) on Fri afternoon followed by colder weather and light fall of snow, heaviest on Sat night. Freeze-thaw conditions (max 3°C on Thu night, min -1°C on Sat night). Winds increasing (light winds from the SW on Thu afternoon, strong winds from the S by Sat afternoon).
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.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
|---|---|---|---|---|---|
 | |||||
SHIP5841 |
* 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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