Mountain resort image

South Twin Sister
Weather Forecast, United States

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.

AM PM night AM PM night AM PM night AM PM night AM PM night AM PM night
partially cloudy
partially cloudy
partially cloudy
cloudy
light rain
light rain
cloudy
light snow
clear
clear
clear
clear
clear
partially cloudy
partially cloudy
partially cloudy
clear
partially cloudy
Wind km/h
10 WNW10
15 WNW15
15 WNW15
20 SSW20
25 SSW25
20 WSW20
15 WSW15
20 W20
20 W20
20 WNW20
15 WNW15
5 WSW5
5 SW5
5 SW5
10 SSW10
10 SW10
5 W5
10 SSW10
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
Rain mm
- - - - 4 4 - - - - - - - - - - - -
Snow
Snow cm
- - - - - - - 1 - - - - - - - - - -
High °C
1 1 3 4 3 2 2 3 4 5 6 9 10 10 10 10 10 13
Low °C
1 1 0 4 2 2 2 2 2 5 5 6 10 10 9 10 10 10
Chill °C
0 -2 0 1 -2 -3 -3 -1 0 1 3 9 9 9 9 9 9 12
Freezing level m
2300 2300 2550 2750 2600 2600 2500 2650 2700 3100 3250 3450 3650 3650 3650 3650 3600 3900
Sea lvl3000ft6000ft9000ft12000ft15000ft
mountain backdrop
113432234569101010101013347766668991314141414141710915131111111116141121191622191724
Sunrise
5:15 - - 5:13 - - 5:13 - - 5:11 - - 5:11 - - 5:11 - -
Sunset
- 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.

Live conditions reported by 5 closest weather stations

Weather StationTemp.WeatherWind
Cloud
Visibility
Cloud / Visibility
Lyman
19 km S
155m alt.
3 hours ago
13° C
Dry
0
Calm
(0 kph at 199).
Bellingham
30 km WSW
130m alt.
3 hours ago
12° C
Dry
0
Calm
(0 kph at 247).
Decatur Island
66 km SW
16.2m alt.
3 hours ago
11° C
Dry
0
Calm
(0 kph at 210).
Camano Island
69 km SSW
58m alt.
3 hours ago
12° C
Dry
0
Calm
(0 kph at 76).
Lopez Island
75 km SW
36m alt.
3 hours ago
11° C
Dry
3
Calm
(3 kph at 70).

* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.