– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 am Tue 18 Aug Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Tue 18 Aug Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Very mild (max 12°C on Thu afternoon, min 9°C on Tue morning). Winds increasing (light winds from the SSW on Wed afternoon, near gales from the S by Thu night).									Days 4–6 Weather Summary Light rain (total 4mm), mostly falling on Fri night. Very mild (max 11°C on Sun afternoon, min 6°C on Fri night). Winds decreasing (severe gales from the SSW on Fri morning, light winds from the SW by Sun afternoon).
	Tuesday 18			Wednesday 19			Thursday 20			Friday 21			Saturday 22			Sunday 23
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	some clouds	clear	clear	clear	clear	rain shwrs	light rain	light rain	rain shwrs	clear	clear	clear	clear	clear	rain shwrs
Cloud base (m)				7050	6850		9350	6200	5000	3800	3150				9400			5000
km/h	W	WSW	WSW	SW	SSW	SW	SSW	SSE	S	SSW	S	SW	WSW	S	WSW	SSW	SW	SSE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	0.1	0.1	1.6	2	—	—	—	—	—	0.1
max °C	9	10	10	10	10	11	10	12	12	10	9	9	6	8	10	10	11	11
min °C	9	9	10	10	10	11	10	12	9	9	8	6	6	7	9	9	11	11
chill °C	6	7	6	7	8	9	7	11	4	4	4	0	1	5	5	6	9	8

Freezing level m	4500	4650	4650	4550	4600	4650	4650	4750	4750	4500	4400	4100	4150	4400	4600	4500	4650	4700

	6:13	—	—	6:13	—	—	6:16	—	—	6:16	—	—	6:18	—	—	6:18	—	—
	—	—	8:07	—	—	8:05	—	—	8:04	—	—	8:01	—	—	8:00	—	7:59	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Very mild (max 12°C on Thu afternoon, min 9°C on Tue morning). Winds increasing (light winds from the SSW on Wed afternoon, near gales from the S by Thu night).

South Sister Volcano Weather (Days 3-6):

Light rain (total 4mm), mostly falling on Fri night. Very mild (max 11°C on Sun afternoon, min 6°C on Fri night). Winds decreasing (severe gales from the SSW on Fri morning, light winds from the SW by Sun afternoon).

This table gives the weather forecast for South Sister Volcano at the specific elevation of 3157 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 Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 1022m alt. 1 hour ago	26° C	Dry	Calm (2 kph at 74).
Bend 34 km E 1147m alt. 58 minutes ago	25° C	Dry	Calm (3 kph at 61).
Bend 34 km E 1164.6m alt. 1 hour ago	25° C	Dry	Calm (2 kph at 83).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	22° C	Clear	Light winds from the S (9 kph at 170).	13 km
Black Butte Ranch wx 36 km NW 1429m alt. 3 hours ago	17° C	Dry	Calm (3 kph at 311).
Bend 37 km SSE 1297m alt. 39 minutes ago	26° C	Dry	Calm (2 kph at 52).
Bend 37 km ESE 1158m alt. 1 hour ago	26° C	Dry	Calm (0 kph at 196).
Deschutes River Woods wx 40 km ESE 1185m alt. 59 minutes ago	24° C	Dry	Calm (2 kph at 339).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	19° C	Dry	Calm (3 kph at 232).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	26° C	Dry	Calm (2 kph at 57).

* 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.