– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 am Fri 22 May Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Fri 22 May Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Mild temperatures (max 5°C on Sat afternoon, min 1°C on Fri morning). Winds increasing (calm on Fri afternoon, near gales from the SSW by Sun night).									Days 4–6 Weather Summary A moderate fall of snow, heaviest on Wed morning. Freeze-thaw conditions (max 1°C on Mon morning, min -9°C on Mon night). Winds decreasing (severe gales from the SW on Mon afternoon, calm by Tue morning).
	Friday 22			Saturday 23			Sunday 24			Monday 25			Tuesday 26			Wednesday 27
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	some clouds	snow shwrs	clear	light snow	snow shwrs	light snow	light snow	clear
km/h	W	W	WSW	W	WSW	W	WSW	SW	SW	SSW	SW	WSW	N	NNW	NNE	NE	ENE	ENE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	2	—	1	2	5	4	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	1	3	4	3	5	5	3	4	5	1	-1	-4	-9	-7	-5	-3	-1	-1
min °C	1	3	3	3	4	4	3	4	3	0	-1	-9	-9	-8	-7	-4	-2	-2
chill °C	-2	3	-2	-2	1	-2	-3	-1	-5	-8	-9	-18	-15	-11	-12	-14	-11	-9

Freezing level m	3350	3650	3600	3650	3900	3700	3650	3750	3750	3250	2900	1550	2000	2200	2000	2350	2800	2850
Cloud base (m)			8400		9250	8900	8950	9300			2250	1800	1850	1850	1850	1850	1800	1800

	5:33	—	—	5:33	—	—	5:31	—	—	5:31	—	—	5:30	—	—	5:30	—	—
	—	—	8:32	—	—	8:34	—	—	8:35	—	—	8:36	—	—	8:37	—	—	8:37

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Mild temperatures (max 5°C on Sat afternoon, min 1°C on Fri morning). Winds increasing (calm on Fri afternoon, near gales from the SSW by Sun night).

South Sister Volcano Weather (Days 3-6):

A moderate fall of snow, heaviest on Wed morning. Freeze-thaw conditions (max 1°C on Mon morning, min -9°C on Mon night). Winds decreasing (severe gales from the SW on Mon afternoon, calm by Tue morning).

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. 33 minutes ago	4° C	Dry	Calm (0 kph at 0).
Bend 34 km E 1147m alt. 29 minutes ago	7° C	Dry	Calm (2 kph at 249).
Bend 34 km E 1164.6m alt. 35 minutes ago	10° C	Dry	Light winds from the SSW (6 kph at 207).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	0° C	Clear	Calm (0 kph at 0).	11 km
Black Butte Ranch wx 36 km NW 1429m alt. 2 hours ago	2° C	-	Calm (0 kph at 212).
Bend 37 km SSE 1297m alt. 34 minutes ago	-2° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 43 minutes ago	8° C	Dry	Calm (0 kph at 203).
Camp Sherman 39 km NNE 920.5m alt. 2 hours ago	-1° C	-	Calm (0 kph at 177).
Deschutes River Woods wx 40 km ESE 1185m alt. 31 minutes ago	5° C	Dry	Calm (2 kph at 252).
Rainbow wx 41 km WSW 410m alt. 52 minutes ago	12° C	Dry	Calm (5 kph at 127).

* 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.