South Sister Volcano weather
– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States

Issued: 10 am Sat 29 Aug Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Mostly dry. Very mild (max 14°C on Mon afternoon, min 3°C on Sat morning). Winds decreasing (fresh winds from the W on Sat morning, calm by Sun afternoon).

Days 4–6 Weather Summary

Mild at first with light rain (total 4mm) on Wed night followed by colder weather and light fall of snow, heaviest on Wed night. Freeze-thaw conditions (max 8°C on Tue morning, min -1°C on Thu morning). Winds increasing (light winds from the S on Tue morning, near gales from the WSW by Wed night).

Saturday
29
Sunday
30
Monday
31
Tuesday
1
Wednesday
2
Thursday
3
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
thunderstorm
rain showers
part cloud
light rain
mod snow
light snow
part cloud
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
risk tstorm
rain shwrs
some clouds
light rain
mod. snow
light snow
some clouds
clear
Cloud base (m)
9450
9500
9250
9100
5000
8250
2700
1950
2150
2250
1800
1800
2250
km/h
30
WNW
25
W
15
WNW
15
WNW
0
S
15
SW
15
SSW
5
NNW
10
ESE
5
S
15
SSW
30
WSW
30
WSW
45
SW
55
WSW
40
WSW
20
WSW
15
SW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
7
4
 mm
0.9
0.3
0.2
2
max °C
4
6
4
8
11
9
12
14
10
8
8
5
2
3
3
-1
1
0
min °C
3
6
4
6
10
9
10
14
8
7
6
2
2
3
0
-1
1
-1
 chill °C
-3
2
-1
3
10
8
8
14
7
6
3
-4
-4
-3
-6
-7
-5
-6
Freezing level m
3200
3300
3600
3800
3950
4200
4150
4250
3950
3550
3500
3150
2700
2950
2700
2350
2650
2400
Sea lvl1000m2000m3000m4000m5000m
113456686420-3-2-2-5-5-4464711911149874232-11-19137122013182314151588117595
Sunrise
6:26
6:26
6:28
6:28
6:30
6:31
Sunset
7:49
7:46
7:45
7:43
7:40
7:39

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South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Very mild (max 14°C on Mon afternoon, min 3°C on Sat morning). Winds decreasing (fresh winds from the W on Sat morning, calm by Sun afternoon).

South Sister Volcano Weather (Days 3-6):

Mild at first with light rain (total 4mm) on Wed night followed by colder weather and light fall of snow, heaviest on Wed night. Freeze-thaw conditions (max 8°C on Tue morning, min -1°C on Thu morning). Winds increasing (light winds from the S on Tue morning, near gales from the WSW by Wed night).

This table gives the weather forecast for South Sister Volcano at the specific elevation of 2500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Sister Volcano. 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 Oregon.

Live conditions reported by 10 closest weather stations

Weather StationTemp.WeatherWindGusts
Cloud
Visibility
Cloud / Visibility
25 km NNE
1022m alt.
1 hour ago
18°C
Dry
5
Calm
(5 kph at 3).
14
34 km E
1147m alt.
2 hours ago
18°C
Dry
8
Light winds from the ENE
(8 kph at 58).
14
34 km E
1164.6m alt.
42 minutes ago
19°C
Dry
6
Light winds from the NNE
(6 kph at 22).
16
Sunriver Airport (Oregon)
35 km SE
1266m alt.
1 hour ago
18°C
clear
Clear
Wind obs. (20 kph from 300 degs) was rejected.
14 km
36 km NW
1429m alt.
40 minutes ago
11°C
Dry
11
Light winds from the W
(11 kph at 280).
6
37 km SSE
1297m alt.
46 minutes ago
18°C
Dry
Wind obs. (10 kph from 360 degs) was rejected.
40 km ESE
1185m alt.
2 hours ago
17°C
Dry
5
Calm
(5 kph at 2).
11
41 km WSW
410m alt.
44 minutes ago
13°C
Dry
18
Light winds from the WNW
(18 kph at 296).
23
42 km NE
947m alt.
1 hour ago
20°C
Dry
5
Calm
(5 kph at 44).
19
43 km SSE
1298m alt.
1 hour ago
21°C
Dry
5
Calm
(5 kph at 315).
10

* 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.

South Sister Volcano Photos