– Lat/Long: 48.71° N 121.99° W
North Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 4 pm Wed 14 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Wed 14 Oct Local Time
Updates in:
Update imminent hr min s
3 North Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryLight rain (total 8mm) at first, then becoming colder with a dusting of snow on Sat morning. Very mild (max 15°C on Thu afternoon, min 2°C on Sat morning). Winds increasing (calm on Wed night, fresh winds from the S by Fri night). | Days 5–7 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 5°C on Sun afternoon, min 0°C on Mon afternoon). Wind will be generally light. | ||||||||||||||||
Wed 14 | Thursday 15 | Friday 16 | Saturday 17 | Sunday 18 | Monday 19 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  | |  |  | | | |  |  | |  |  | |
rain shwrs | clear | clear | clear | clear | some clouds | clear | rain shwrs | snow shwrs | some clouds | clear | some clouds | cloudy | light rain | cloudy | light snow | snow shwrs | |
Cloud base (m) | 950 | 9400 | 8300 | 2000 | 650 | 1650 | 6500 | 5150 | 4250 | 2750 | 800 | 600 | |||||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | 1 | 2 |
mm | 0.1 | — | — | — | — | — | — | 4 | 4 | — | — | — | — | 0.1 | — | — | — |
max °C | 8 | 12 | 14 | 15 | 15 | 15 | 14 | 11 | 3 | 2 | 3 | 3 | 5 | 5 | 2 | 1 | 0 |
min °C | 7 | 9 | 12 | 14 | 15 | 15 | 13 | 5 | 2 | 2 | 2 | 3 | 3 | 3 | 1 | 0 | 0 |
chill °C | 7 | 9 | 11 | 14 | 14 | 14 | 11 | 1 | -3 | -2 | 2 | 1 | 3 | 2 | 1 | -2 | 0 |
Freezing level m | 3600 | 3850 | 3950 | 3900 | 3850 | 3750 | 3550 | 2800 | 1800 | 1800 | 1850 | 2400 | 2400 | 2150 | 1700 | 1550 | 1500 |
 | — | — | 7:26 | — | — | 7:28 | — | — | 7:30 | — | — | 7:31 | — | — | 7:33 | — | — |
 | 6:21 | — | — | 6:19 | — | — | 6:16 | — | — | 6:15 | — | — | 6:13 | — | — | 6:10 | — |
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North Twin Sister Weather (Days 0-3):
The weather forecast for North Twin Sister is: Light rain (total 8mm) at first, then becoming colder with a dusting of snow on Sat morning. Very mild (max 15°C on Thu afternoon, min 2°C on Sat morning). Winds increasing (calm on Wed night, fresh winds from the S by Fri night).
North Twin Sister Weather (Days 3-6):
A dusting of new snow. Freeze-thaw conditions (max 5°C on Sun afternoon, min 0°C on Mon afternoon). Wind will be generally light.
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 |
|---|---|---|---|---|---|
SHIP9995 | |||||
SHIP3749 | |||||
SHIP11401 | |||||
 | |||||
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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