– Lat/Long: 48.71° N 121.99° W
North Twin Sister
Weather Forecast, United StatesIssued: 10 am Wed 18 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Wed 18 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Wed 18 Mar Local Time
Updates in:
Update imminent hr min s
3 North Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 32mm) on Wed night. Becoming colder with heavy fall of snow, heaviest during Fri morning. Freeze-thaw conditions (max 3°C on Wed morning, min -7°C on Fri night). Winds decreasing (strong winds from the SSW on Wed night, light winds from the SW by Fri afternoon). | Days 4–6 Weather SummaryA dusting of new snow. Temperatures will be below freezing (max -2°C on Mon morning, min -9°C on Sat morning). Mainly fresh winds. | |||||||||||||||||
Wednesday 18 | Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  |  | |  |  |  |  |  | | |  |  | | | |
mod. rain | mod. rain | light snow | light snow | mod. snow | heavy snow | mod. snow | heavy snow | snow shwrs | some clouds | clear | clear | some clouds | some clouds | some clouds | cloudy | cloudy | light snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | 3 | 5 | 6 | 11 | 10 | 11 | 5 | — | — | — | — | — | — | — | — | 2 | |
10 | 8 | 14 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 3 | 3 | 3 | 1 | 2 | 2 | 1 | 0 | -2 | -8 | -8 | -7 | -7 | -5 | -3 | -2 | -3 | -2 |
min °C | 2 | 3 | 2 | 1 | 1 | 1 | 0 | -1 | -7 | -9 | -9 | -8 | -7 | -5 | -4 | -2 | -3 | -3 |
-5 | -3 | -5 | -5 | -6 | -6 | -5 | -7 | -14 | -16 | -16 | -14 | -13 | -11 | -10 | -6 | -7 | -9 | |
2500 | 2550 | 2500 | 2350 | 2300 | 2450 | 2100 | 1850 | 1150 | 800 | 950 | 500 | 1100 | 1300 | 1350 | 1600 | 1600 | 1600 | |
Cloud base (m) | 600 | 600 | 550 | 600 | 600 | 550 | 550 | 600 | 850 | 600 | 650 | 650 | 1650 | 1000 | 6850 | 5050 | 2850 | 2200 |
 | 7:15 | — | — | 7:13 | — | — | 7:11 | — | — | 7:09 | — | — | 7:07 | — | — | 7:05 | — | — |
 | — | 7:16 | — | — | 7:17 | — | — | 7:20 | — | — | 7:21 | — | — | 7:22 | — | — | 7:23 | — |
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North Twin Sister Weather (Days 0-3):
The weather forecast for North Twin Sister is: Heavy rain (total 32mm) on Wed night. Becoming colder with heavy fall of snow, heaviest during Fri morning. Freeze-thaw conditions (max 3°C on Wed morning, min -7°C on Fri night). Winds decreasing (strong winds from the SSW on Wed night, light winds from the SW by Fri afternoon).
North Twin Sister Weather (Days 3-6):
A dusting of new snow. Temperatures will be below freezing (max -2°C on Mon morning, min -9°C on Sat morning). Mainly fresh winds.
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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