– Lat/Long: 48.71° N 121.99° W
North Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 10 pm Tue 22 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Tue 22 Sep Local Time
Updates in:
Update imminent hr min s
3 North Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryModerate rain (total 19mm) heaviest on Thu night, then becoming colder with a dusting of snow on Fri afternoon. Mild temperatures (max 8°C on Thu morning, min 2°C on Fri afternoon). Wind will be generally light. | Days 5–7 Weather SummaryA light covering of new snow mostly falling on Fri night. Freeze-thaw conditions (max 7°C on Sun night, min 0°C on Fri night). Wind will be generally light. | |||||||||||||||
Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  |  |  |  |  | | | | | | | |
some clouds | some clouds | rain shwrs | rain shwrs | cloudy | light rain | mod. rain | mod. rain | light snow | light snow | some clouds | rain shwrs | some clouds | cloudy | some clouds | some clouds | |
Cloud base (m) | 2650 | 1750 | 1800 | 6600 | 3050 | 2800 | 550 | 700 | 600 | 600 | 800 | 1750 | 6800 | 6550 | 6250 | 5650 |
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | 4 | 5 | — | — | — | — | — | — |
mm | — | — | 0.4 | 0.1 | — | 0.2 | 7 | 7 | 4 | — | — | 0.1 | — | — | — | — |
max °C | 7 | 5 | 6 | 7 | 8 | 8 | 7 | 6 | 3 | 2 | 1 | 4 | 5 | 5 | 6 | 7 |
min °C | 5 | 4 | 6 | 6 | 8 | 8 | 5 | 3 | 2 | 0 | 0 | 3 | 4 | 5 | 6 | 5 |
chill °C | 4 | 4 | 4 | 5 | 8 | 8 | 1 | -1 | -4 | -5 | -3 | 3 | 3 | 4 | 6 | 3 |
Freezing level m | 2450 | 2300 | 2500 | 3150 | 3000 | 2700 | 2550 | 2100 | 1800 | 1600 | 1650 | 2150 | 2750 | 2750 | 2700 | 2450 |
 | — | 6:54 | — | — | 6:56 | — | — | 6:58 | — | — | 6:58 | — | — | 7:01 | — | — |
 | — | — | 7:04 | — | — | 7:01 | — | — | 7:00 | — | — | 6:58 | — | — | 6:54 | — |
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North Twin Sister Weather (Days 0-3):
The weather forecast for North Twin Sister is: Moderate rain (total 19mm) heaviest on Thu night, then becoming colder with a dusting of snow on Fri afternoon. Mild temperatures (max 8°C on Thu morning, min 2°C on Fri afternoon). Wind will be generally light.
North Twin Sister Weather (Days 3-6):
A light covering of new snow mostly falling on Fri night. Freeze-thaw conditions (max 7°C on Sun night, min 0°C on Fri night). 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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