– Lat/Long: 48.71° N 121.99° W
North Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 4 am Fri 25 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Fri 25 Sep 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 11mm) on Fri morning, Becoming colder with a light covering of snow, mostly falling on Fri night. Freeze-thaw conditions (max 6°C on Fri morning, min 0°C on Fri night). Winds decreasing (fresh winds from the S on Fri morning, calm by Sat night). | Days 4–6 Weather SummaryHeavy rain (total 25mm), heaviest during Mon night. Freeze-thaw conditions (max 6°C on Mon afternoon, min 0°C on Wed night). Mainly fresh winds. | |||||||||||||||||
Friday 25 | Saturday 26 | Sunday 27 | Monday 28 | Tuesday 29 | Wednesday 30 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | |  | | | |  | | |  | | |  | |
mod. rain | light rain | snow shwrs | some clouds | rain shwrs | some clouds | some clouds | clear | some clouds | clear | some clouds | heavy rain | light rain | light rain | rain shwrs | clear | rain shwrs | clear | |
Cloud base (m) | 650 | 600 | 700 | 750 | 1600 | 6350 | 5250 | 6650 | 3250 | 600 | 600 | 550 | 5100 | 850 | 1650 | 1900 | ||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 6 | 5 | — | — | 0.1 | — | — | — | — | — | — | 10 | 5 | 4 | 5 | — | 0.1 | — |
max °C | 6 | 3 | 2 | 1 | 3 | 5 | 5 | 6 | 6 | 5 | 6 | 5 | 5 | 5 | 5 | 3 | 3 | 3 |
min °C | 4 | 3 | 0 | 0 | 3 | 4 | 4 | 6 | 5 | 4 | 6 | 3 | 5 | 5 | 3 | 2 | 3 | 0 |
chill °C | -2 | -2 | -6 | -2 | 3 | 3 | 4 | 6 | 3 | 2 | 5 | -3 | 2 | 3 | 0 | -1 | 0 | -4 |
Freezing level m | 2200 | 2050 | 1600 | 1650 | 2200 | 2450 | 2450 | 2550 | 2550 | 2450 | 2400 | 2700 | 2400 | 2400 | 2150 | 1850 | 1900 | 1800 |
 | 6:58 | — | — | 6:58 | — | — | 7:01 | — | — | 7:01 | — | — | 7:03 | — | — | 7:05 | — | — |
 | — | 7:00 | — | — | 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: Mild with moderate rain (total 11mm) on Fri morning, Becoming colder with a light covering of snow, mostly falling on Fri night. Freeze-thaw conditions (max 6°C on Fri morning, min 0°C on Fri night). Winds decreasing (fresh winds from the S on Fri morning, calm by Sat night).
North Twin Sister Weather (Days 3-6):
Heavy rain (total 25mm), heaviest during Mon night. Freeze-thaw conditions (max 6°C on Mon afternoon, min 0°C on Wed night). Mainly fresh winds.
This table gives the weather forecast for North Twin Sister at the specific elevation of 1500 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 |
|---|---|---|---|---|---|
SHIP12511 | |||||
 | |||||
Bellingham Airport | | ||||
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Bellingham Airport | | ||||
* 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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