– Lat/Long: 48.71° N 121.99° W
North Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 9 am Thu 05 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Thu 05 Nov Local Time
Updates in:
Update imminent hr min s
3 North Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMild with heavy rain (total 29mm), heaviest during Fri afternoon. Becoming colder with a moderate fall of snow heaviest on Sat night. Freeze-thaw conditions (max 8°C on Sat morning, min 0°C on Thu night). Winds increasing (light winds from the S on Thu morning, gales from the SSW by Sat night). | Days 4–6 Weather SummaryA light covering of new snow mostly falling on Sun morning. Becoming milder with moderate rain (total 11mm) heaviest on Tue morning. Freeze-thaw conditions (max 12°C on Tue night, min -2°C on Sun afternoon). Winds increasing (calm on Sun night, fresh winds from the S by Tue morning). | |||||||||||||||||
Thursday 5 | Friday 6 | Saturday 7 | Sunday 8 | Monday 9 | Tuesday 10 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  |  | | |  |  |  |  |  | | | | |  | |
some clouds | some clouds | light snow | light rain | mod. rain | heavy rain | light rain | light rain | mod. snow | light snow | snow shwrs | some clouds | clear | clear | some clouds | light rain | light rain | rain shwrs | |
Cloud base (m) | 1800 | 2600 | 2500 | 650 | 650 | 600 | 600 | 700 | 550 | 600 | 600 | 600 | 5850 | 6350 | 3200 | 950 | 600 | 1650 |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | 2 | — | — | — | — | — | 10 | 4 | 1 | — | — | — | — | — | — | — |
mm | — | — | — | 0.2 | 10 | 14 | 0.8 | 0.2 | 3 | — | — | — | — | — | — | 4 | 4 | 3 |
max °C | 1 | 2 | 3 | 3 | 4 | 7 | 8 | 8 | 4 | -1 | -2 | 2 | 3 | 3 | 4 | 4 | 5 | 12 |
min °C | 1 | 1 | 0 | 2 | 4 | 4 | 7 | 8 | 0 | -1 | -2 | -1 | 2 | 2 | 2 | 3 | 5 | 8 |
chill °C | -2 | -3 | -6 | -4 | -2 | 0 | 2 | 3 | -7 | -8 | -8 | -1 | -1 | -3 | -3 | -3 | 0 | 4 |
Freezing level m | 1650 | 1700 | 2200 | 2200 | 2650 | 2350 | 2850 | 2650 | 1700 | 1400 | 1250 | 1350 | 2000 | 2000 | 2150 | 2350 | 2650 | 2950 |
 | 7:01 | — | — | 7:01 | — | — | 7:03 | — | — | 7:05 | — | — | 7:07 | — | — | 7:09 | — | — |
 | — | 4:40 | — | — | 4:38 | — | — | 4:37 | — | — | 4:37 | — | — | 4:35 | — | — | 4:34 | — |
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North Twin Sister Weather (Days 0-3):
The weather forecast for North Twin Sister is: Mild with heavy rain (total 29mm), heaviest during Fri afternoon. Becoming colder with a moderate fall of snow heaviest on Sat night. Freeze-thaw conditions (max 8°C on Sat morning, min 0°C on Thu night). Winds increasing (light winds from the S on Thu morning, gales from the SSW by Sat night).
North Twin Sister Weather (Days 3-6):
A light covering of new snow mostly falling on Sun morning. Becoming milder with moderate rain (total 11mm) heaviest on Tue morning. Freeze-thaw conditions (max 12°C on Tue night, min -2°C on Sun afternoon). Winds increasing (calm on Sun 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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