South Twin Sister
Weather Forecast,
United States
Issued: 4am Sun 24 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 4am Sun 24 May Local Time
Updates in: hr min s
Update imminent Issued: 4am Sun 24 May Local Time
Updates in: hr min s
Update imminent 
South Twin Sister Weather (Days 0-3):Light rain (total 8mm) at first, then becoming colder with a dusting of snow on Tue afternoon. Freeze-thaw conditions (max 4°C on Mon morning, min 0°C on Sun night). Wind will be generally light. |
(Days 3-6):Mostly dry. Very mild (max 13°C on Fri night, min 5°C on Wed morning). Wind will be generally light. |
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AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night |
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Wind
km/h
|
 10 |
15 |
15 |
20 |
25 |
20 |
15 |
20 |
20 |
20 |
15 |
5 |
5 |
5 |
10 |
10 |
5 |
10 |
| some clouds | some clouds | some clouds | cloudy | light rain | light rain | cloudy | light snow | clear | clear | clear | clear | clear | some clouds | some clouds | some clouds | clear | some clouds | |
Rain
mm
|
- | - | - | - | 4 | 4 | - | - | - | - | - | - | - | - | - | - | - | - |
Snow
cm
|
- | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - |
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High
°C
|
1 | 1 | 3 | 4 | 3 | 2 | 2 | 3 | 4 | 5 | 6 | 9 | 10 | 10 | 10 | 10 | 10 | 13 |
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Low
°C
|
1 | 1 | 0 | 4 | 2 | 2 | 2 | 2 | 2 | 5 | 5 | 6 | 10 | 10 | 9 | 10 | 10 | 10 |
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Chill
°C
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0 | -2 | 0 | 1 | -2 | -3 | -3 | -1 | 0 | 1 | 3 | 9 | 9 | 9 | 9 | 9 | 9 | 12 |
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Freezing level
m
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2300 | 2300 | 2550 | 2750 | 2600 | 2600 | 2500 | 2650 | 2700 | 3100 | 3250 | 3450 | 3650 | 3650 | 3650 | 3650 | 3600 | 3900 |
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5:15 | - | - | 5:13 | - | - | 5:13 | - | - | 5:11 | - | - | 5:11 | - | - | 5:11 | - | - |
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- | 8:54 | - | - | 8:55 | - | - | 8:57 | - | - | 8:58 | - | - | 8:59 | - | - | 9:00 | - |
South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Light rain (total 8mm) at first, then becoming colder with a dusting of snow on Tue afternoonFreeze-thaw conditions (max 4°C on Mon morning, min 0°C on Sun night)Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Mostly dryVery mild (max 13°C on Fri night, min 5°C on Wed morning)Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 2134 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South 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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