Mountain resort image
– Lat/Long: 48.71° N 121.99° W

South Twin Sister
Weather Forecast, United States

Issued: 10 am Fri 10 Jul Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Mostly dry. Mild temperatures (max 8°C on Fri afternoon, min 1°C on Sat night). Winds decreasing (fresh winds from the SSW on Sat night, light winds from the W by Sun night).

Days 4–6 Weather Summary

Mostly dry. Very mild (max 12°C on Mon afternoon, min 8°C on Mon morning). Wind will be generally light.

Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
rain showers
rain showers
rain showers
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain shwrs
rain shwrs
rain shwrs
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
km/h
10
SW
15
SSW
20
SSW
25
S
25
SSW
35
SSW
15
SW
15
SW
10
W
5
S
15
S
20
SSW
15
SSW
15
SSW
15
SW
15
SW
10
WSW
10
WNW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
0.3
0.1
0.1
max °C
6
8
7
4
6
6
2
6
7
9
12
12
10
12
12
8
10
10
min °C
6
7
4
3
5
1
1
4
6
8
11
11
10
11
10
8
9
9
 chill °C
3
4
0
-2
0
-5
-4
1
4
8
10
9
8
9
8
5
7
8
Freezing level m
3200
3350
3100
3000
3050
2750
2450
3050
3600
3850
4000
4100
3950
4050
3950
3650
3700
3850
Cloud base (m)
2800
2200
1900
800
2150
2100
700
1950
8800
Sea lvl1000m2000m3000m4000m5000m
68646425791212101211810101012961075910121615141614121413182015141814121814182418202417192217
Sunrise
5:15
5:16
5:16
5:18
5:18
5:20
Sunset
9:09
9:08
9:07
9:07
9:07
9:06

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South Twin Sister Weather (Days 0-3):

The weather forecast for South Twin Sister is: Mostly dry. Mild temperatures (max 8°C on Fri afternoon, min 1°C on Sat night). Winds decreasing (fresh winds from the SSW on Sat night, light winds from the W by Sun night).

South Twin Sister Weather (Days 3-6):

Mostly dry. Very mild (max 12°C on Mon afternoon, min 8°C on Mon 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 10 closest weather stations

Weather StationTemp.WeatherWindGusts
Cloud
Visibility
Cloud / Visibility
22 km WSW
94m alt.
56 minutes ago
19° C
Dry
0
Calm
(0 kph at 11).
5
25 km WSW
198m alt.
1 hour ago
19° C
Dry
3
Calm
(3 kph at 45).
5
26 km NW
125m alt.
2 hours ago
21° C
Dry
Wind obs. (6 kph from 193 degs) was rejected.
28 km NW
152m alt.
1 hour ago
19° C
Dry
Wind obs. (6 kph from 6 degs) was rejected.
30 km WSW
130m alt.
2 hours ago
21° C
Dry
0
Calm
(0 kph at 50).
0
35 km WNW
19m alt.
1 hour ago
22° C
Dry
2
Calm
(2 kph at 5).
6
35 km WSW
100m alt.
1 hour ago
20° C
Dry
2
Calm
(2 kph at 150).
6
SHIP2596
38 km WSW
15m alt.
1 hour ago
21
Moderate winds from the SSW
(21 kph at 200).
- km
SHIP8515
38 km WSW
3m alt.
1 hour ago
18° C
18
Light winds from the SSW
(18 kph at 200).
SHIP3823
38 km WSW
15m alt.
3 hours ago
18
Light winds from the S
(19 kph at 180).
- km

* 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.