– Lat/Long: 48.71° N 121.99° W
North Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 4 am Wed 23 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Wed 23 Sep Local Time
Updates in:
Update imminent hr min s
3 North Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryModerate rain (total 18mm), heaviest on Thu night giving way to a moderate fall of snow, heaviest on Fri afternoon. Freeze-thaw conditions (max 6°C on Thu morning, min -3°C on Fri night). Winds increasing (light winds from the SSW on Wed night, strong winds from the S by Thu night). | Days 4–6 Weather SummaryMostly dry. Freeze-thaw conditions (max 4°C on Sun afternoon, min -3°C on Sat morning). Wind will be generally light. | |||||||||||||||||
Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | Monday 28 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  |  | |  | | |  | | | |  | | | |
some clouds | rain shwrs | rain shwrs | cloudy | light rain | heavy rain | light snow | light snow | mod. snow | some clouds | some clouds | some clouds | cloudy | some clouds | some clouds | clear | some clouds | some clouds | |
Cloud base (m) | 2050 | 1750 | 6350 | 3200 | 2700 | 550 | 750 | 600 | 600 | 650 | 1800 | 6350 | 6100 | 5900 | 8300 | 7400 | ||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | 1 | 4 | 8 | — | — | — | — | — | — | — | — | — |
mm | — | 0.5 | 0.1 | — | 0.4 | 13 | 4 | — | — | — | — | — | — | — | — | — | — | — |
max °C | 2 | 2 | 5 | 6 | 4 | 4 | 2 | 0 | -2 | -2 | 1 | 3 | 3 | 4 | 4 | 2 | 3 | 4 |
min °C | 2 | 2 | 3 | 5 | 4 | 3 | 1 | -1 | -3 | -3 | -1 | 1 | 3 | 4 | 3 | 2 | 3 | 3 |
chill °C | -2 | -2 | 0 | 1 | -1 | -3 | -5 | -7 | -9 | -8 | -4 | 0 | 3 | 4 | 0 | -1 | 0 | 0 |
Freezing level m | 2300 | 2450 | 3150 | 2900 | 2650 | 2500 | 2200 | 1750 | 1650 | 1650 | 2200 | 2550 | 2650 | 2700 | 2650 | 2650 | 2800 | 2850 |
 | 6:54 | — | — | 6:56 | — | — | 6:58 | — | — | 6:58 | — | — | 7:01 | — | — | 7:01 | — | — |
 | — | 7:04 | — | — | 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: Moderate rain (total 18mm), heaviest on Thu night giving way to a moderate fall of snow, heaviest on Fri afternoon. Freeze-thaw conditions (max 6°C on Thu morning, min -3°C on Fri night). Winds increasing (light winds from the SSW on Wed night, strong winds from the S by Thu night).
North Twin Sister Weather (Days 3-6):
Mostly dry. Freeze-thaw conditions (max 4°C on Sun afternoon, min -3°C on Sat morning). Wind will be generally light.
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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