– 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 at first with light rain (total 7mm) on Thu night followed by colder weather and light fall of snow, heaviest on Fri afternoon. Freeze-thaw conditions (max 6°C on Thu morning, min -3°C on Fri night). Winds decreasing (strong winds from the S on Thu night, calm by Sat night). | Days 4–6 Weather SummaryMild at first with light rain (total 2mm) on Tue morning followed by colder weather and light fall of snow, heaviest on Tue afternoon. Freeze-thaw conditions (max 2°C on Sun afternoon, min -1°C on Sun night). Winds increasing (calm on Sun morning, strong winds from the SSW 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 | light snow | light snow | mod. snow | some clouds | some clouds | cloudy | some clouds | clear | light snow | light snow | snow shwrs | light snow | light snow | light snow | snow shwrs | |
Cloud base (m) | 3050 | 750 | 550 | 600 | 600 | 650 | 1600 | 5600 | 5100 | 4950 | 1650 | 600 | 950 | 550 | 550 | 550 | 600 | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | 4 | 5 | 8 | — | — | — | — | — | 2 | 1 | 1 | 3 | 3 | 5 | 4 |
mm | — | — | 7 | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — |
max °C | 6 | 6 | 5 | 2 | 1 | -2 | -2 | 1 | 1 | 1 | 2 | 1 | -1 | 0 | 0 | 2 | 2 | 1 |
min °C | 6 | 5 | 3 | 2 | -1 | -3 | -3 | -1 | 1 | 1 | 1 | -1 | -1 | -1 | 0 | 1 | 2 | -1 |
chill °C | 3 | 1 | -3 | -4 | -7 | -9 | -7 | -4 | 1 | 0 | -3 | -6 | -5 | -5 | -5 | -5 | -5 | -7 |
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 at first with light rain (total 7mm) on Thu night followed by colder weather and light fall of snow, heaviest on Fri afternoon. Freeze-thaw conditions (max 6°C on Thu morning, min -3°C on Fri night). Winds decreasing (strong winds from the S on Thu night, calm by Sat night).
North Twin Sister Weather (Days 3-6):
Mild at first with light rain (total 2mm) on Tue morning followed by colder weather and light fall of snow, heaviest on Tue afternoon. Freeze-thaw conditions (max 2°C on Sun afternoon, min -1°C on Sun night). Winds increasing (calm on Sun morning, strong winds from the SSW by Tue afternoon).
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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