– Lat/Long: 48.71° N 121.99° W
North Twin Sister
Weather Forecast, United StatesIssued: 4 pm Sat 29 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Sat 29 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Sat 29 Aug Local Time
Updates in:
Update imminent hr min s
3 North Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Very mild (max 12°C on Mon night, min 2°C on Sat afternoon). Wind will be generally light. | Days 5–7 Weather SummaryMild with light rain (total 8mm) on Wed night Becoming colder with a light covering of snow, mostly falling on Thu morning. Mild temperatures (max 9°C on Tue afternoon, min 1°C on Thu morning). Winds decreasing (fresh winds from the SSE on Wed night, light winds from the S by Thu night). | ||||||||||||||||
Sat 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  | |  |  | |  | | |  |  |  |  | |
rain shwrs | some clouds | light rain | rain shwrs | some clouds | some clouds | some clouds | clear | clear | some clouds | cloudy | light rain | light rain | light snow | light snow | snow shwrs | rain shwrs | |
Cloud base (m) | 1950 | 2200 | 1750 | 1800 | 6450 | 5550 | 4150 | 8400 | 4650 | 2100 | 1500 | 700 | 550 | 600 | 800 | 6650 | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 4 | 1 | — |
mm | 0.5 | — | 0.1 | 0.1 | — | — | — | — | — | — | — | 0.6 | 1.6 | 4 | — | 1.4 | 0.3 |
max °C | 3 | 3 | 3 | 4 | 6 | 8 | 11 | 12 | 9 | 9 | 8 | 4 | 4 | 3 | 2 | 2 | 5 |
min °C | 2 | 3 | 3 | 4 | 5 | 7 | 10 | 9 | 8 | 9 | 4 | 4 | 4 | 2 | 1 | 2 | 3 |
chill °C | -1 | 0 | 0 | 0 | 4 | 6 | 8 | 7 | 5 | 6 | 0 | -1 | -1 | -2 | -2 | 0 | 1 |
Freezing level m | 2500 | 2600 | 3050 | 3150 | 3450 | 3550 | 3750 | 3600 | 3650 | 3450 | 3000 | 2650 | 2650 | 2450 | 2200 | 2400 | 2700 |
 | — | — | 6:20 | — | — | 6:22 | — | — | 6:24 | — | — | 6:24 | — | — | 6:26 | — | — |
 | 7:55 | — | — | 7:53 | — | — | 7:52 | — | — | 7:50 | — | — | 7:47 | — | — | 7:45 | — |
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North Twin Sister Weather (Days 0-3):
The weather forecast for North Twin Sister is: Mostly dry. Very mild (max 12°C on Mon night, min 2°C on Sat afternoon). Wind will be generally light.
North Twin Sister Weather (Days 3-6):
Mild with light rain (total 8mm) on Wed night Becoming colder with a light covering of snow, mostly falling on Thu morning. Mild temperatures (max 9°C on Tue afternoon, min 1°C on Thu morning). Winds decreasing (fresh winds from the SSE on Wed night, light winds from the S by Thu 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 | |||||
SHIP9120 |
* 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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