– Lat/Long: 48.71° N 121.99° W
North Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 10 pm Fri 25 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Fri 25 Sep Local Time
Updates in:
Update imminent hr min s
3 North Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA light covering of new snow mostly falling on Fri night. Freeze-thaw conditions (max 4°C on Sun afternoon, min -3°C on Fri night). Winds decreasing (fresh winds from the WSW on Fri night, calm by Sat night). | Days 5–7 Weather SummaryModerate rain (total 12mm), heaviest on Tue night. Temperatures will be slightly above freezing (max 4°C on Mon night, min 1°C on Wed morning). Winds decreasing (fresh winds from the SSW on Tue afternoon, light winds from the W by Wed night). | |||||||||||||||
Saturday 26 | Sunday 27 | Monday 28 | Tuesday 29 | Wednesday 30 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  | |  | | |  |  |  |  | | | | |
mod. snow | some clouds | some clouds | cloudy | clear | clear | some clouds | some clouds | clear | light rain | cloudy | light rain | rain shwrs | clear | clear | some clouds | |
Cloud base (m) | 600 | 800 | 1700 | 6300 | 6050 | 5750 | 8050 | 3150 | 1750 | 1800 | 800 | 9150 | 750 | 8650 | ||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | 0.1 | — | 4 | 8 | — | — | — |
max °C | -2 | -2 | 1 | 3 | 3 | 4 | 4 | 2 | 4 | 4 | 4 | 4 | 3 | 2 | 3 | 4 |
min °C | -3 | -2 | 0 | 2 | 2 | 4 | 3 | 2 | 3 | 4 | 4 | 4 | 2 | 1 | 3 | 4 |
chill °C | -11 | -6 | -3 | 2 | 2 | 2 | 0 | -2 | 0 | 0 | -2 | -2 | -3 | -2 | 0 | 2 |
Freezing level m | 1600 | 1650 | 2200 | 2650 | 2550 | 2700 | 2650 | 2600 | 2700 | 3100 | 2850 | 2950 | 2450 | 2400 | 2750 | 2950 |
 | — | 6:58 | — | — | 7:01 | — | — | 7:01 | — | — | 7:03 | — | — | 7:05 | — | — |
 | — | — | 6:58 | — | — | 6:54 | — | — | 6:52 | — | — | 6:51 | — | — | 6:49 | — |
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North Twin Sister Weather (Days 0-3):
The weather forecast for North Twin Sister is: A light covering of new snow mostly falling on Fri night. Freeze-thaw conditions (max 4°C on Sun afternoon, min -3°C on Fri night). Winds decreasing (fresh winds from the WSW on Fri night, calm by Sat night).
North Twin Sister Weather (Days 3-6):
Moderate rain (total 12mm), heaviest on Tue night. Temperatures will be slightly above freezing (max 4°C on Mon night, min 1°C on Wed morning). Winds decreasing (fresh winds from the SSW on Tue afternoon, light winds from the W by Wed night).
This table gives the weather forecast for North Twin Sister at the specific elevation of 2024 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of North Twin Sister. 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 |
|---|---|---|---|---|---|
 | |||||
Bellingham Airport | | ||||
BUOY-46118 | |||||
SHIP4442 | |||||
SHIP7884 | |||||
SHIP4473 |
* 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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