– Lat/Long: 48.71° N 121.99° W
North Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 4 pm Mon 21 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Mon 21 Sep 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 afternoon, min 4°C on Wed morning). Wind will be generally light. | Days 5–7 Weather SummaryHeavy rain (total 27mm), mostly on Thu night. Becoming colder with a light covering of snow, mostly falling on Thu night. Freeze-thaw conditions (max 9°C on Sat night, min 0°C on Fri morning). Wind will be generally light. | ||||||||||||||||
Mon 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | |  |  |  |  |  | |  |  |  | |  | |  | |
clear | clear | clear | clear | rain shwrs | light rain | rain shwrs | some clouds | cloudy | light rain | light snow | light snow | snow shwrs | rain shwrs | some clouds | some clouds | light rain | |
Cloud base (m) | 600 | 2450 | 2000 | 1550 | 1650 | 2850 | 2000 | 550 | 600 | 600 | 1850 | 8500 | 5400 | 2300 | |||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | 3 | 4 | 1 | — | — | — | — |
mm | — | — | — | — | 0.2 | 0.1 | 0.1 | — | — | 4 | 18 | — | 0.7 | 0.1 | — | — | 3 |
max °C | 12 | 10 | 7 | 7 | 7 | 5 | 6 | 6 | 7 | 7 | 4 | 1 | 2 | 3 | 4 | 8 | 9 |
min °C | 11 | 7 | 6 | 6 | 5 | 4 | 5 | 6 | 7 | 4 | 1 | 0 | 2 | 2 | 3 | 7 | 2 |
chill °C | 10 | 5 | 5 | 4 | 5 | 2 | 3 | 4 | 7 | 2 | -2 | -4 | -2 | 2 | 2 | 6 | -2 |
Freezing level m | 3550 | 3300 | 2850 | 2600 | 2350 | 2250 | 2450 | 2850 | 2500 | 2450 | 1950 | 1700 | 1800 | 1950 | 2550 | 2800 | 2200 |
 | — | — | 6:54 | — | — | 6:54 | — | — | 6:56 | — | — | 6:58 | — | — | 6:58 | — | — |
 | 7:07 | — | — | 7:06 | — | — | 7:04 | — | — | 7:01 | — | — | 7:00 | — | — | 6:58 | — |
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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 afternoon, min 4°C on Wed morning). Wind will be generally light.
North Twin Sister Weather (Days 3-6):
Heavy rain (total 27mm), mostly on Thu night. Becoming colder with a light covering of snow, mostly falling on Thu night. Freeze-thaw conditions (max 9°C on Sat night, min 0°C on Fri morning). 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 |
|---|---|---|---|---|---|
SHIP4983 | |||||
Skagit Burlingto / t Vernon Airport |  | ||||
Bellingham Airport |  | ||||
SHIP6342 | |||||
SHIP8989 | |||||
SHIP2713 | |||||
SHIP8239 | |||||
SHIP4908 |
* 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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