– Lat/Long: 48.71° N 121.99° W
North Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 4 pm Wed 23 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Wed 23 Sep Local Time
Updates in:
Update imminent hr min s
3 North Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryHeavy rain (total 27mm), heaviest during Thu night. Later becoming colder with a dusting of snow on Fri night. Freeze-thaw conditions (max 10°C on Thu afternoon, min 0°C on Sat morning). Winds increasing (calm on Wed night, strong winds from the S by Fri morning). | Days 5–7 Weather SummaryMostly dry. Mild temperatures (max 6°C on Sun afternoon, min 2°C on Sat afternoon). Wind will be generally light. | ||||||||||||||||
Wed 23 | Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | Monday 28 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  |  |  |  | |  | |  | | | | | |
rain shwrs | rain shwrs | cloudy | cloudy | mod. rain | mod. rain | light rain | light snow | some clouds | rain shwrs | some clouds | some clouds | clear | some clouds | some clouds | rain shwrs | some clouds | |
Cloud base (m) | 800 | 6500 | 3250 | 800 | 750 | 650 | 600 | 900 | 1650 | 5750 | 5550 | 2350 | 2000 | 1600 | 2500 | ||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | 3 | — | — | — | — | — | — | — | — | — |
mm | 0.5 | 0.1 | — | — | 10 | 9 | 2 | 6 | — | 0.4 | — | — | — | — | — | 0.1 | — |
max °C | 5 | 7 | 9 | 10 | 10 | 4 | 4 | 2 | 1 | 3 | 4 | 4 | 6 | 6 | 4 | 5 | 6 |
min °C | 5 | 5 | 8 | 10 | 6 | 4 | 3 | 1 | 0 | 2 | 3 | 4 | 6 | 4 | 3 | 4 | 5 |
chill °C | 2 | 3 | 7 | 10 | 3 | -2 | 0 | -4 | -3 | 1 | 3 | 4 | 6 | 2 | 2 | 3 | 4 |
Freezing level m | 2400 | 3100 | 3250 | 2950 | 2600 | 2150 | 2100 | 1600 | 1600 | 2050 | 2450 | 2450 | 2500 | 2300 | 2050 | 2300 | 2500 |
 | — | — | 6:56 | — | — | 6:58 | — | — | 6:58 | — | — | 7:01 | — | — | 7:01 | — | — |
 | 7:04 | — | — | 7:01 | — | — | 7:00 | — | — | 6:58 | — | — | 6:54 | — | — | 6:52 | — |
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North Twin Sister Weather (Days 0-3):
The weather forecast for North Twin Sister is: Heavy rain (total 27mm), heaviest during Thu night. Later becoming colder with a dusting of snow on Fri night. Freeze-thaw conditions (max 10°C on Thu afternoon, min 0°C on Sat morning). Winds increasing (calm on Wed night, strong winds from the S by Fri morning).
North Twin Sister Weather (Days 3-6):
Mostly dry. Mild temperatures (max 6°C on Sun afternoon, min 2°C on Sat 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 |
|---|---|---|---|---|---|
SHIP4598 | |||||
 | |||||
Bellingham Airport |  | ||||
SHIP4803 | |||||
SHIP4012 | |||||
SHIP3175 | |||||
SHIP4203 | |||||
SHIP4709 |
* 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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