– Lat/Long: 48.71° N 121.99° W
North Twin Sister
Weather Forecast, United StatesIssued: 4 pm Sun 30 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Sun 30 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Sun 30 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 4°C on Sun afternoon). Winds increasing (light winds from the WNW on Sun night, fresh winds from the S by Tue night). | Days 5–7 Weather SummaryMild at first with light rain (total 9mm) on Wed night followed by colder weather and light fall of snow, heaviest on Wed night. Freeze-thaw conditions (max 6°C on Fri night, min -1°C on Wed night). Winds decreasing (strong winds from the SSE on Wed night, calm by Fri morning). | ||||||||||||||||
Sun 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | | | | | |  | |  |  | | | | |
rain shwrs | clear | some clouds | clear | some clouds | some clouds | clear | some clouds | rain shwrs | rain shwrs | mod. snow | some clouds | light snow | cloudy | some clouds | rain shwrs | clear | |
Cloud base (m) | 1700 | 3100 | 4950 | 4500 | 6450 | 4800 | 2050 | 2000 | 2000 | 550 | 850 | 650 | 1750 | 1550 | 1750 | ||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | 10 | — | 1 | — | — | — | — |
mm | 0.2 | — | — | — | — | — | — | — | 0.2 | 2 | 7 | — | — | — | — | 0.2 | — |
max °C | 4 | 7 | 9 | 11 | 12 | 9 | 9 | 8 | 4 | 4 | 3 | 0 | 0 | 1 | 1 | 4 | 6 |
min °C | 4 | 5 | 8 | 11 | 10 | 8 | 8 | 4 | 4 | 4 | -1 | -1 | 0 | 0 | 0 | 2 | 4 |
chill °C | 0 | 4 | 7 | 9 | 7 | 5 | 5 | -1 | -1 | -1 | -5 | -6 | -4 | -4 | -2 | 1 | 2 |
Freezing level m | 3250 | 3450 | 3700 | 3750 | 3700 | 3650 | 3450 | 3100 | 2550 | 2700 | 1950 | 1950 | 2050 | 2100 | 2100 | 2750 | 2850 |
 | — | — | 6:22 | — | — | 6:24 | — | — | 6:24 | — | — | 6:26 | — | — | 6:28 | — | — |
 | 7:53 | — | — | 7:52 | — | — | 7:50 | — | — | 7:47 | — | — | 7:45 | — | — | 7:44 | — |
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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 4°C on Sun afternoon). Winds increasing (light winds from the WNW on Sun night, fresh winds from the S by Tue night).
North Twin Sister Weather (Days 3-6):
Mild at first with light rain (total 9mm) on Wed night followed by colder weather and light fall of snow, heaviest on Wed night. Freeze-thaw conditions (max 6°C on Fri night, min -1°C on Wed night). Winds decreasing (strong winds from the SSE on Wed night, calm by Fri morning).
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 | |||||
* 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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