Mountain resort image

South Twin Sister
Weather Forecast, United States

 

South Twin Sister Weather (Days 0-3):

A dusting of new snow. Freeze-thaw conditions (max 6°C on Thu morning, min -5°C on Fri afternoon). Winds increasing (light winds from the N on Wed afternoon, gales from the WSW by Fri morning).

(Days 3-6):

A dusting of new snow. Freeze-thaw conditions (max 8°C on Mon afternoon, min -6°C on Fri night). Winds decreasing (strong winds from the WNW on Fri night, calm by Mon afternoon).

night AM PM night AM PM night AM PM night AM PM night AM PM night AM PM
clear
clear
clear
partially cloudy
partially cloudy
partially cloudy
partially cloudy
snow showers
snow showers
snow showers
clear
clear
clear
clear
clear
clear
clear
clear
Wind km/h
20 NW20
10 NNE10
10 WNW10
25 NW25
25 WNW25
30 W30
35 WSW35
60 WSW60
30 W30
15 N15
35 NNE35
25 NE25
15 ENE15
5 NNW5
10 NNE10
10 NNE10
5 NNE5
5 W5
clear clear clear some clouds some clouds some clouds some clouds snow shwrs snow shwrs snow shwrs clear clear clear clear clear clear clear clear
Rain
Rain mm
- - - - - - - - - - - - - - - - - -
Snow
Snow cm
- - - - - - - 2 2 1 - - - - - - - -
High °C
-1 0 2 5 6 6 5 3 -4 -5 -5 -4 -1 -1 1 5 7 8
Low °C
-2 -1 1 3 5 5 3 0 -5 -6 -5 -4 -3 -1 0 2 6 8
Chill °C
-7 -3 0 1 2 2 0 -4 -13 -11 -13 -12 -4 -3 -2 3 6 8
Freezing level m
1650 2200 2850 3400 3400 3300 3050 2250 1450 1250 1600 1650 1800 1850 2450 3400 3700 3800
Sea lvl3000ft6000ft9000ft12000ft15000ft
mountain backdrop
-10256653-4-5-5-4-1-11578124688870-111123791078109121312117579591081315
Sunrise
- 7:39 - - 7:41 - - 7:43 - - 7:43 - - 7:46 - - 7:48 -
Sunset
- - 6:02 - - 6:00 - - 5:59 - - 5:58 - - 5:55 - - 5:53

South Twin Sister Weather (Days 0-3):

The weather forecast for South Twin Sister is: A dusting of new snowFreeze-thaw conditions (max 6°C on Thu morning, min -5°C on Fri afternoon)Winds increasing (light winds from the N on Wed afternoon, gales from the WSW by Fri morning).

South Twin Sister Weather (Days 3-6):

A dusting of new snowFreeze-thaw conditions (max 8°C on Mon afternoon, min -6°C on Fri night)Winds decreasing (strong winds from the WNW on Fri night, calm by Mon afternoon).

Issued local time.

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.
48 minutes ago
6° C
Dry
0
Calm
(0 kph at 38).
Bellingham
25 km WSW
198m alt.
53 minutes ago
7° C
Dry
0
Calm
(0 kph at 225).
Deming
25 km WNW
102m alt.
2 hours ago
6° C
Dry
2
Calm
(2 kph at 176).
Bellingham
27 km WSW
99m alt.
1 hour ago
4° C
Dry
0
Calm
(0 kph at 81).
Bellingham
29 km W
71m alt.
1 hour ago
3° C
Dry
0
Calm
(0 kph at 135).

* 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. We also include passing Ship data if it is recorded close to South Twin Sister and within an acceptable time window.