– Lat/Long: 48.71° N 121.99° W
North Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 4 am Sun 20 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Sun 20 Sep Local Time
Updates in:
Update imminent hr min s
3 North Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Very mild (max 16°C on Sun night, min 5°C on Tue morning). Wind will be generally light. | Days 4–6 Weather SummaryMild with moderate rain (total 12mm) on Thu night, Becoming colder with a light covering of snow, mostly falling on Thu night. Mild temperatures (max 7°C on Wed night, min 1°C on Fri morning). Wind will be generally light. | |||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  | |  |  | |  |  |  | |  | |  | | |
clear | clear | clear | some clouds | clear | some clouds | clear | rain shwrs | rain shwrs | rain shwrs | light rain | light rain | cloudy | light rain | light snow | cloudy | snow shwrs | rain shwrs | |
Cloud base (m) | 9250 | 9400 | 6300 | 7000 | 1650 | 2700 | 1700 | 1750 | 2250 | 1650 | 550 | 600 | 650 | 2050 | ||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | — | 1 | — |
mm | — | — | — | — | — | — | — | 0.1 | 0.1 | 0.3 | 0.4 | 0.1 | — | 3 | 7 | — | 1 | 0.4 |
max °C | 14 | 15 | 16 | 12 | 11 | 10 | 6 | 7 | 6 | 5 | 6 | 7 | 6 | 5 | 2 | 1 | 2 | 3 |
min °C | 14 | 14 | 14 | 11 | 10 | 6 | 5 | 6 | 5 | 4 | 6 | 6 | 6 | 4 | 2 | 1 | 2 | 2 |
chill °C | 14 | 14 | 13 | 10 | 9 | 4 | 4 | 4 | 3 | 2 | 4 | 5 | 6 | 3 | 0 | -2 | -1 | -1 |
Freezing level m | 3900 | 3950 | 3900 | 3600 | 3500 | 3250 | 2700 | 2550 | 2250 | 2250 | 2500 | 2550 | 2550 | 2200 | 1850 | 1700 | 1850 | 1800 |
 | 6:50 | — | — | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — | 6:56 | — | — | 6:58 | — | — |
 | — | 7:09 | — | — | 7:07 | — | — | 7:06 | — | — | 7:04 | — | — | 7:01 | — | — | 7:00 | — |
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North Twin Sister Weather (Days 0-3):
The weather forecast for North Twin Sister is: Mostly dry. Very mild (max 16°C on Sun night, min 5°C on Tue morning). Wind will be generally light.
North Twin Sister Weather (Days 3-6):
Mild with moderate rain (total 12mm) on Thu night, Becoming colder with a light covering of snow, mostly falling on Thu night. Mild temperatures (max 7°C on Wed night, min 1°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.
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