– Lat/Long: 48.71° N 121.99° W
North Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 4 pm Tue 22 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 4 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 SummaryMild with light rain (total 8mm) on Thu night Becoming colder with a light covering of snow, mostly falling on Fri morning. Freeze-thaw conditions (max 5°C on Tue afternoon, min 0°C on Fri morning). Winds increasing (light winds from the SW on Wed morning, fresh winds from the S by Thu afternoon). | Days 5–7 Weather SummaryA moderate fall of snow, heaviest on Fri afternoon. Freeze-thaw conditions (max 4°C on Sat night, min -2°C on Fri afternoon). Wind will be generally light. | ||||||||||||||||
Tue 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | | |  |  |  |  |  | |  | | |  | |
rain shwrs | some clouds | cloudy | light rain | rain shwrs | cloudy | light rain | light snow | light snow | mod. snow | snow shwrs | some clouds | some clouds | cloudy | cloudy | cloudy | clear | |
Cloud base (m) | 1850 | 2150 | 1900 | 1800 | 3200 | 2350 | 550 | 550 | 600 | 600 | 650 | 6550 | 6100 | 2700 | 2300 | ||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | 3 | 4 | 8 | 3 | — | — | — | — | — | — |
mm | 0.1 | — | — | 0.2 | 0.1 | — | 2 | 6 | — | — | — | — | — | — | — | — | — |
max °C | 5 | 4 | 2 | 3 | 5 | 5 | 4 | 3 | 1 | -2 | -2 | -1 | 3 | 4 | 3 | 2 | 1 |
min °C | 4 | 2 | 2 | 2 | 3 | 4 | 4 | 2 | 0 | -2 | -2 | -2 | 1 | 3 | 2 | 2 | 0 |
chill °C | 1 | -2 | -1 | -2 | 0 | 0 | -1 | -4 | -5 | -8 | -9 | -5 | 1 | 1 | 1 | 2 | -3 |
Freezing level m | 2750 | 2500 | 2300 | 2550 | 3050 | 2650 | 2700 | 2350 | 1950 | 1700 | 1650 | 1800 | 2600 | 2700 | 2300 | 2200 | 2100 |
 | — | — | 6:54 | — | — | 6:56 | — | — | 6:58 | — | — | 6:58 | — | — | 7:01 | — | — |
 | 7:06 | — | — | 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: Mild with light rain (total 8mm) on Thu night Becoming colder with a light covering of snow, mostly falling on Fri morning. Freeze-thaw conditions (max 5°C on Tue afternoon, min 0°C on Fri morning). Winds increasing (light winds from the SW on Wed morning, fresh winds from the S by Thu afternoon).
North Twin Sister Weather (Days 3-6):
A moderate fall of snow, heaviest on Fri afternoon. Freeze-thaw conditions (max 4°C on Sat night, min -2°C on Fri afternoon). Wind will be generally light.
This table gives the weather forecast for North Twin Sister at the specific elevation of 2024 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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