– Lat/Long: 48.71° N 121.99° W
North Twin Sister
Weather Forecast, United StatesIssued: 4 pm Sun 23 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Sun 23 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Sun 23 Aug Local Time
Updates in:
Update imminent hr min s
3 North Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummarySome drizzle, heaviest during Sun afternoon. Warm (max 20°C on Mon night, min 8°C on Sun afternoon). Wind will be generally light. | Days 5–7 Weather SummarySome drizzle, heaviest during Thu morning. Very mild (max 15°C on Wed afternoon, min 6°C on Sat morning). Wind will be generally light. | ||||||||||||||||
Sun 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | | | | | |  | | | |  | | | |
rain shwrs | rain shwrs | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | rain shwrs | rain shwrs | clear | some clouds | rain shwrs | some clouds | |
Cloud base (m) | 700 | 9150 | 9400 | 9400 | 8500 | 9650 | 4550 | 6650 | 600 | 2000 | 950 | 1700 | |||||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 1.2 | 0.2 | — | — | — | — | — | — | — | — | — | 1.2 | 0.3 | — | — | 0.1 | — |
max °C | 8 | 11 | 13 | 17 | 20 | 20 | 20 | 18 | 15 | 15 | 14 | 8 | 10 | 9 | 7 | 10 | 9 |
min °C | 8 | 9 | 12 | 16 | 19 | 20 | 20 | 15 | 14 | 15 | 9 | 7 | 9 | 8 | 7 | 8 | 8 |
chill °C | 7 | 9 | 12 | 16 | 19 | 20 | 20 | 15 | 14 | 14 | 8 | 4 | 7 | 8 | 7 | 8 | 8 |
Freezing level m | 3400 | 3900 | 3950 | 4050 | 4050 | 4150 | 4200 | 4100 | 4000 | 3950 | 3550 | 2800 | 3000 | 3200 | 3200 | 3200 | 3200 |
 | — | — | 6:13 | — | — | 6:13 | — | — | 6:15 | — | — | 6:16 | — | — | 6:18 | — | — |
 | — | 8:07 | — | — | 8:06 | — | — | 8:04 | — | — | 8:01 | — | — | 8:00 | — | 7:58 | — |
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North Twin Sister Weather (Days 0-3):
The weather forecast for North Twin Sister is: Some drizzle, heaviest during Sun afternoon. Warm (max 20°C on Mon night, min 8°C on Sun afternoon). Wind will be generally light.
North Twin Sister Weather (Days 3-6):
Some drizzle, heaviest during Thu morning. Very mild (max 15°C on Wed afternoon, min 6°C on Sat 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 |
|---|---|---|---|---|---|
SHIP4770 | |||||
SHIP6863 | |||||
SHIP9434 | |||||
 |
* 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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