– Lat/Long: 48.71° N 121.99° W
North Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 9 am Sat 07 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Sat 07 Nov 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 Sat night followed by colder weather and light fall of snow, heaviest on Sat night. Freeze-thaw conditions (max 10°C on Sat morning, min -1°C on Sun morning). Winds decreasing (near gales from the S on Sat afternoon, calm by Sun night). | Days 4–6 Weather SummaryA dusting of snow. Milder later with heavy rain (total 24mm) on Tue afternoon. Very mild (max 14°C on Thu morning, min 1°C on Tue morning). Winds increasing (light winds from the SSE on Thu morning, strong winds from the S by Thu night). | |||||||||||||||||
Saturday 7 | Sunday 8 | Monday 9 | Tuesday 10 | Wednesday 11 | Thursday 12 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  |  | |  |  |  |  |  | | | |  | |  | |
light rain | light rain | mod. snow | snow shwrs | some clouds | some clouds | some clouds | cloudy | light snow | light snow | heavy rain | rain shwrs | some clouds | some clouds | some clouds | clear | cloudy | cloudy | |
Cloud base (m) | 3000 | 2300 | 550 | 650 | 850 | 8600 | 1800 | 600 | 800 | 600 | 900 | 6500 | 5950 | 6600 | 8500 | 6950 | ||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | 9 | 6 | — | — | — | — | 2 | 3 | — | — | — | — | — | — | — | — |
mm | 0.2 | 0.2 | 5 | — | — | — | — | — | 1.2 | 1.2 | 15 | 7 | — | — | — | — | — | — |
max °C | 10 | 9 | 5 | -1 | 0 | 2 | 2 | 1 | 3 | 3 | 5 | 9 | 10 | 11 | 13 | 14 | 12 | 10 |
min °C | 10 | 7 | 0 | -1 | 0 | 0 | 2 | 0 | 2 | 1 | 5 | 6 | 9 | 10 | 11 | 13 | 11 | 8 |
chill °C | 7 | 1 | -7 | -7 | -3 | 0 | -3 | -5 | -3 | -4 | 0 | 1 | 5 | 7 | 8 | 12 | 8 | 4 |
Freezing level m | 2900 | 2750 | 1650 | 1350 | 1500 | 1600 | 1850 | 1750 | 2000 | 1900 | 2650 | 3100 | 3250 | 3250 | 3450 | 3350 | 3100 | 2800 |
 | 7:03 | — | — | 7:05 | — | — | 7:07 | — | — | 7:09 | — | — | 7:09 | — | — | 7:11 | — | — |
 | — | 4:37 | — | — | 4:37 | — | — | 4:35 | — | — | 4:34 | — | — | 4:31 | — | — | 4:30 | — |
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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 Sat night followed by colder weather and light fall of snow, heaviest on Sat night. Freeze-thaw conditions (max 10°C on Sat morning, min -1°C on Sun morning). Winds decreasing (near gales from the S on Sat afternoon, calm by Sun night).
North Twin Sister Weather (Days 3-6):
A dusting of snow. Milder later with heavy rain (total 24mm) on Tue afternoon. Very mild (max 14°C on Thu morning, min 1°C on Tue morning). Winds increasing (light winds from the SSE on Thu morning, strong winds from the S by Thu night).
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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