– Lat/Long: 48.71° N 121.99° W
North Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 4 am Thu 24 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Thu 24 Sep Local Time
Updates in:
Update imminent hr min s
3 North Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMild with moderate rain (total 18mm) on Fri morning, Becoming colder with a light covering of snow, mostly falling on Fri afternoon. Freeze-thaw conditions (max 9°C on Thu morning, min 0°C on Fri night). Wind will be generally light. | Days 4–6 Weather SummaryA dusting of snow. Milder later with heavy rain (total 34mm) on Tue afternoon. Mild temperatures (max 5°C on Sun afternoon, min 2°C on Sun night). Winds increasing (calm on Sun morning, strong winds from the S by Tue afternoon). | |||||||||||||||||
Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | Monday 28 | Tuesday 29 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  |  |  |  |  | |  | |  | | | |  |  | |
cloudy | cloudy | mod. rain | mod. rain | light snow | light snow | some clouds | rain shwrs | cloudy | some clouds | clear | light snow | light rain | rain shwrs | mod. rain | mod. rain | heavy rain | rain shwrs | |
Cloud base (m) | 3050 | 750 | 550 | 600 | 600 | 650 | 1600 | 5600 | 5100 | 4950 | 1650 | 600 | 950 | 550 | 550 | 550 | 600 | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | 3 | 5 | — | — | — | — | — | 1 | — | — | — | — | — | — |
mm | — | — | 7 | 9 | 3 | — | — | 0.1 | — | — | — | 0.1 | 2 | 1.8 | 6 | 7 | 10 | 6 |
max °C | 9 | 9 | 8 | 5 | 4 | 2 | 0 | 3 | 4 | 4 | 5 | 4 | 2 | 3 | 4 | 4 | 5 | 3 |
min °C | 8 | 8 | 6 | 5 | 1 | 0 | 0 | 2 | 4 | 4 | 5 | 2 | 2 | 3 | 3 | 3 | 4 | 2 |
chill °C | 8 | 8 | 2 | 2 | -4 | -5 | -3 | 2 | 4 | 4 | 4 | -1 | -1 | 1 | 0 | -2 | -2 | -2 |
Freezing level m | 2800 | 2850 | 2600 | 2300 | 1750 | 1650 | 1600 | 2100 | 2300 | 2150 | 2200 | 2000 | 1850 | 2000 | 2100 | 2650 | 2400 | 1850 |
 | 6:56 | — | — | 6:58 | — | — | 6:58 | — | — | 7:01 | — | — | 7:01 | — | — | 7:03 | — | — |
 | — | 7:01 | — | — | 7:00 | — | — | 6:58 | — | — | 6:54 | — | — | 6:52 | — | — | 6:51 | — |
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North Twin Sister Weather (Days 0-3):
The weather forecast for North Twin Sister is: Mild with moderate rain (total 18mm) on Fri morning, Becoming colder with a light covering of snow, mostly falling on Fri afternoon. Freeze-thaw conditions (max 9°C on Thu morning, min 0°C on Fri night). Wind will be generally light.
North Twin Sister Weather (Days 3-6):
A dusting of snow. Milder later with heavy rain (total 34mm) on Tue afternoon. Mild temperatures (max 5°C on Sun afternoon, min 2°C on Sun night). Winds increasing (calm on Sun morning, strong winds from the S by Tue afternoon).
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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