– Lat/Long: 48.71° N 121.99° W
North Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 3 pm Mon 02 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Mon 02 Nov Local Time
Updates in:
Update imminent hr min s
3 North Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA light covering of new snow mostly falling on Wed night. Freeze-thaw conditions (max 7°C on Mon afternoon, min 0°C on Wed night). Wind will be generally light. | Days 5–7 Weather SummaryModerate rain (total 19mm), heaviest on Fri night. Freeze-thaw conditions (max 11°C on Sat afternoon, min 0°C on Thu night). Winds increasing (calm on Thu afternoon, gales from the S by Sat night). | ||||||||||||||||
Mon 2 | Tuesday 3 | Wednesday 4 | Thursday 5 | Friday 6 | Saturday 7 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | |  |  |  | | |  | |  | | |  | |
some clouds | some clouds | cloudy | cloudy | some clouds | some clouds | light snow | snow shwrs | clear | some clouds | some clouds | light rain | light rain | heavy rain | some clouds | some clouds | light rain | |
Cloud base (m) | 5050 | 5000 | 2600 | 1750 | 1950 | 2350 | 600 | 700 | 950 | 3400 | 950 | 600 | 600 | 2350 | 2800 | ||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | 1 | 4 | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 0.1 | 0.6 | 10 | — | — | 4 |
max °C | 7 | 6 | 4 | 4 | 4 | 4 | 4 | 1 | 1 | 2 | 3 | 3 | 5 | 8 | 10 | 11 | 11 |
min °C | 7 | 5 | 4 | 3 | 4 | 4 | 1 | 0 | 0 | 1 | 0 | 0 | 4 | 5 | 9 | 10 | 5 |
chill °C | 5 | 4 | 3 | 1 | 3 | 2 | -5 | -3 | -2 | 0 | -6 | -6 | -1 | 0 | 6 | 7 | -2 |
Freezing level m | 2950 | 2700 | 2150 | 2100 | 2350 | 2250 | 2100 | 1650 | 1550 | 1700 | 2050 | 1550 | 2650 | 2700 | 3000 | 3150 | 2650 |
 | — | — | 6:58 | — | — | 6:58 | — | — | 7:01 | — | — | 7:01 | — | — | 7:03 | — | — |
 | 4:45 | — | — | 4:44 | — | — | 4:42 | — | — | 4:40 | — | — | 4:38 | — | — | 4:37 | — |
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North Twin Sister Weather (Days 0-3):
The weather forecast for North Twin Sister is: A light covering of new snow mostly falling on Wed night. Freeze-thaw conditions (max 7°C on Mon afternoon, min 0°C on Wed night). Wind will be generally light.
North Twin Sister Weather (Days 3-6):
Moderate rain (total 19mm), heaviest on Fri night. Freeze-thaw conditions (max 11°C on Sat afternoon, min 0°C on Thu night). Winds increasing (calm on Thu afternoon, gales from the S by Sat 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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