– Lat/Long: 48.71° N 121.99° W
North Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 10 pm Wed 23 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Wed 23 Sep Local Time
Updates in:
Update imminent hr min s
3 North Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMild with moderate rain (total 19mm) on Fri morning, Becoming colder with a light covering of snow, mostly falling on Fri night. Freeze-thaw conditions (max 10°C on Thu afternoon, min 0°C on Fri night). Winds increasing (calm on Wed night, fresh winds from the S by Thu night). | Days 5–7 Weather SummaryLight rain (total 8mm), mostly falling on Tue morning. Mild temperatures (max 5°C on Sun afternoon, min 2°C on Mon morning). Winds increasing (calm on Sat night, fresh winds from the S by Tue morning). | |||||||||||||||
Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | Monday 28 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  | |  |  |  |  | | | |  | | | |
rain shwrs | cloudy | cloudy | light rain | mod. rain | mod. rain | mod. snow | some clouds | rain shwrs | some clouds | cloudy | some clouds | light rain | light rain | rain shwrs | rain shwrs | |
Cloud base (m) | 6650 | 2950 | 1400 | 700 | 600 | 600 | 800 | 1650 | 6900 | 5500 | 2000 | 850 | 1800 | 2350 | ||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | 6 | — | — | — | — | — | — | — | — | — |
mm | 0.1 | — | — | 4 | 8 | 7 | — | — | 0.1 | — | — | — | 0.5 | 0.4 | 0.2 | 0.1 |
max °C | 7 | 9 | 10 | 10 | 5 | 4 | 2 | 1 | 3 | 4 | 4 | 5 | 5 | 3 | 4 | 5 |
min °C | 5 | 8 | 9 | 5 | 5 | 3 | 0 | 0 | 3 | 4 | 4 | 5 | 3 | 2 | 4 | 4 |
chill °C | 3 | 8 | 9 | 2 | 0 | -1 | -4 | -3 | 3 | 4 | 4 | 4 | 0 | -1 | 2 | 2 |
Freezing level m | 3150 | 3200 | 2900 | 2650 | 2250 | 2100 | 1600 | 1600 | 2100 | 2350 | 2250 | 2250 | 2050 | 2000 | 2150 | 2150 |
 | — | 6:56 | — | — | 6:58 | — | — | 6:58 | — | — | 7:01 | — | — | 7:01 | — | — |
 | — | — | 7:01 | — | — | 7:00 | — | — | 6:58 | — | — | 6:54 | — | — | 6:52 | — |
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North Twin Sister Weather (Days 0-3):
The weather forecast for North Twin Sister is: Mild with moderate rain (total 19mm) on Fri morning, Becoming colder with a light covering of snow, mostly falling on Fri night. Freeze-thaw conditions (max 10°C on Thu afternoon, min 0°C on Fri night). Winds increasing (calm on Wed night, fresh winds from the S by Thu night).
North Twin Sister Weather (Days 3-6):
Light rain (total 8mm), mostly falling on Tue morning. Mild temperatures (max 5°C on Sun afternoon, min 2°C on Mon morning). Winds increasing (calm on Sat night, fresh winds from the S by Tue morning).
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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