– Lat/Long: 48.71° N 121.99° W
North Twin Sister
Weather Forecast, United StatesIssued: 4 am Mon 31 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 am Mon 31 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Mon 31 Aug Local Time
Updates in:
Update imminent hr min s
3 North Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMild with moderate rain (total 12mm) on Wed night, Becoming colder with a light covering of snow, mostly falling on Wed night. Freeze-thaw conditions (max 12°C on Mon night, min 0°C on Wed night). Winds increasing (light winds from the S on Mon morning, fresh winds from the S by Wed afternoon). | Days 4–6 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 4°C on Fri night, min -1°C on Thu morning). Wind will be generally light. | |||||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  |  | |  |  |  | | | | | | | | |
clear | some clouds | some clouds | some clouds | some clouds | rain shwrs | light rain | light rain | light snow | cloudy | light snow | light snow | cloudy | light rain | some clouds | cloudy | light rain | rain shwrs | |
Cloud base (m) | 8700 | 4500 | 5900 | 4700 | 2000 | 2100 | 1400 | 700 | 550 | 650 | 650 | 550 | 700 | 900 | 2000 | 950 | 950 | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | 5 | — | 1 | 1 | — | — | — | — | — | — |
mm | — | — | — | — | — | 0.3 | 0.9 | 3 | 7 | — | — | — | — | 0.2 | — | — | 0.4 | 0.3 |
max °C | 9 | 11 | 12 | 9 | 9 | 6 | 3 | 3 | 2 | 0 | 1 | 1 | 1 | 3 | 4 | 4 | 3 | 4 |
min °C | 8 | 11 | 9 | 8 | 8 | 4 | 3 | 3 | 0 | -1 | 0 | 0 | 1 | 2 | 4 | 3 | 3 | 3 |
chill °C | 6 | 9 | 6 | 5 | 5 | -1 | -3 | -3 | -4 | -5 | -5 | -4 | 0 | 2 | 2 | 1 | 0 | 1 |
Freezing level m | 3650 | 3700 | 3650 | 3600 | 3400 | 2750 | 2550 | 2550 | 2000 | 1950 | 2150 | 2150 | 2250 | 2550 | 2750 | 2600 | 2550 | 2500 |
 | 6:22 | — | — | 6:24 | — | — | 6:24 | — | — | 6:26 | — | — | 6:28 | — | — | 6:30 | — | — |
 | — | 7:52 | — | — | 7:50 | — | — | 7:47 | — | — | 7:45 | — | — | 7:44 | — | — | 7:42 | — |
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North Twin Sister Weather (Days 0-3):
The weather forecast for North Twin Sister is: Mild with moderate rain (total 12mm) on Wed night, Becoming colder with a light covering of snow, mostly falling on Wed night. Freeze-thaw conditions (max 12°C on Mon night, min 0°C on Wed night). Winds increasing (light winds from the S on Mon morning, fresh winds from the S by Wed afternoon).
North Twin Sister Weather (Days 3-6):
A dusting of new snow. Freeze-thaw conditions (max 4°C on Fri night, min -1°C on Thu morning). Wind will be generally light.
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 | |||||
SHIP9676 |
* 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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