– Lat/Long: 48.71° N 121.99° W
North Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 10 am Sun 27 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Sun 27 Sep Local Time
Updates in:
Update imminent hr min s
3 North Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 28mm), heaviest during Tue afternoon. Very mild (max 16°C on Sun afternoon, min 8°C on Tue night). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Warm (max 20°C on Fri afternoon, min 7°C on Wed morning). Wind will be generally light. | |||||||||||||||||
Sunday 27 | Monday 28 | Tuesday 29 | Wednesday 30 | Thursday 1 | Friday 2 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  |  | |  | | |  | | | | | | | |
cloudy | clear | clear | some clouds | some clouds | light rain | heavy rain | heavy rain | rain shwrs | clear | clear | some clouds | some clouds | clear | some clouds | clear | some clouds | rain shwrs | |
Cloud base (m) | 5900 | 2900 | 2400 | 900 | 550 | 550 | 1850 | 1900 | 5400 | 3550 | 2800 | 8150 | 3450 | 2200 | ||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | 1.8 | 13 | 13 | 0.4 | — | — | — | — | — | — | — | — | 0.2 |
max °C | 13 | 16 | 11 | 12 | 14 | 12 | 11 | 11 | 9 | 11 | 14 | 12 | 15 | 18 | 15 | 19 | 20 | 15 |
min °C | 10 | 15 | 9 | 9 | 13 | 10 | 11 | 11 | 8 | 7 | 14 | 10 | 11 | 18 | 14 | 15 | 18 | 12 |
chill °C | 10 | 15 | 9 | 9 | 13 | 8 | 9 | 10 | 8 | 7 | 14 | 10 | 11 | 18 | 14 | 15 | 18 | 12 |
Freezing level m | 2750 | 2800 | 2750 | 2400 | 2550 | 3000 | 2900 | 2450 | 2000 | 2050 | 2650 | 2650 | 3350 | 3650 | 3750 | 3450 | 3050 | 2900 |
 | 7:01 | — | — | 7:01 | — | — | 7:03 | — | — | 7:05 | — | — | 7:05 | — | — | 7:07 | — | — |
 | — | 6:54 | — | — | 6:52 | — | — | 6:51 | — | — | 6:49 | — | — | 6:46 | — | — | 6:45 | — |
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North Twin Sister Weather (Days 0-3):
The weather forecast for North Twin Sister is: Heavy rain (total 28mm), heaviest during Tue afternoon. Very mild (max 16°C on Sun afternoon, min 8°C on Tue night). Wind will be generally light.
North Twin Sister Weather (Days 3-6):
Mostly dry. Warm (max 20°C on Fri afternoon, min 7°C on Wed morning). Wind will be generally light.
This table gives the weather forecast for North Twin Sister at the specific elevation of 500 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 | | ||||
SHIP3366 | |||||
SHIP9297 | |||||
SHIP6010 | |||||
SHIP3539 |
* 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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