– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 10am Tue 13 Apr Local TimeUpdates in: hr min sUpdate imminent
South Twin SisterWeather Forecast, United States
Issued: 10am Tue 13 Apr Local Time
Updates in: hr min s
Update imminent Issued: 10am Tue 13 Apr Local Time
Updates in: hr min s
Update imminent 
South Twin Sister Weather (Days 0-3):Mostly dry. Freeze-thaw conditions (max 11°C on Thu night, min 0°C on Tue morning). Wind will be generally light. |
(Days 3-6):Mostly dry. Very mild (max 13°C on Sat afternoon, min 10°C on Fri morning). Wind will be generally light. |
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Tuesday
13
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Wednesday
14
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Thursday
15
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Friday
16
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Saturday
17
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Sunday
18
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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
|
 5 |
10 |
5 |
5 |
10 |
5 |
5 |
5 |
0 |
0 |
5 |
0 |
0 |
5 |
10 |
5 |
5 |
5 |
| clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | clear | clear | |
Rain
mm
|
- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
Snow
cm
|
- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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High
°C
|
1 | 4 | 4 | 4 | 8 | 8 | 8 | 10 | 11 | 10 | 12 | 12 | 12 | 13 | 13 | 11 | 12 | 12 |
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Low
°C
|
0 | 3 | 4 | 4 | 7 | 8 | 8 | 9 | 10 | 10 | 11 | 12 | 12 | 13 | 11 | 11 | 12 | 10 |
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Chill
°C
|
-1 | 1 | 2 | 2 | 6 | 6 | 8 | 10 | 10 | 10 | 12 | 12 | 12 | 13 | 13 | 11 | 12 | 12 |
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Freezing level
m
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1650 | 2050 | 2350 | 2700 | 2900 | 2750 | 2900 | 3000 | 2900 | 2950 | 3100 | 3100 | 3150 | 3250 | 3250 | 3150 | 3250 | 3000 |
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6:20 | - | - | 6:18 | - | - | 6:16 | - | - | 6:15 | - | - | 6:13 | - | - | 6:11 | - | - |
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- | 7:55 | - | - | 7:57 | - | - | 7:59 | - | - | 8:00 | - | - | 8:01 | - | - | 8:02 | - |
South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Mostly dryFreeze-thaw conditions (max 11°C on Thu night, min 0°C on Tue morning)Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Mostly dryVery mild (max 13°C on Sat afternoon, min 10°C on Fri morning)Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 1500 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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