– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 4 am Mon 19 Oct Local Time

Updates in:

hr min s

Update imminent

Issued: 4 am Mon 19 Oct Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 2°C on Tue night, min -3°C on Mon afternoon). Winds decreasing (strong winds from the SW on Mon morning, calm by Wed night).									Days 4–6 Weather Summary Mostly dry. Freeze-thaw conditions (max 6°C on Sat night, min -2°C on Thu afternoon). Winds decreasing (near gales from the NNW on Thu night, calm by Sat morning).
	Monday 19			Tuesday 20			Wednesday 21			Thursday 22			Friday 23			Saturday 24
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	light snow	some clouds	clear	some clouds	some clouds	some clouds	some clouds	clear	cloudy	some clouds	clear	clear	clear	clear	clear	clear	clear
Cloud base (m)	2500	1850	5300	6350	6750	6000	4700	3600	8600	3300	3100	1800				9500	9200
km/h	SSW	SSW	SSE	S	S	S	SE	SW	E	NNW	NNW	NNW	NNW	NNW	NW	WNW	WSW	W
See all weather maps
cm	—	1	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-1	-3	-1	-1	1	2	2	2	1	0	-2	1	2	2	3	4	5	6
min °C	-2	-3	-2	-1	-1	1	2	1	0	-1	-2	-1	2	2	2	4	5	5
chill °C	-10	-10	-10	-8	-8	-5	-2	1	-2	-4	-6	-8	-5	-4	-3	2	3	2

Freezing level m	2900	2650	2900	3050	3250	3400	3400	3300	3250	3000	2900	3050	3450	3450	3500	3800	3850	3950

	7:26	—	—	7:26	—	—	7:28	—	—	7:30	—	—	7:31	—	—	7:31	—	—
	—	6:16	—	—	6:15	—	—	6:13	—	—	6:12	—	—	6:09	—	—	6:08	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A dusting of new snow. Freeze-thaw conditions (max 2°C on Tue night, min -3°C on Mon afternoon). Winds decreasing (strong winds from the SW on Mon morning, calm by Wed night).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 6°C on Sat night, min -2°C on Thu afternoon). Winds decreasing (near gales from the NNW on Thu night, calm by Sat 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. 2 hours ago	4°C	Dry	Calm (0 kph at 0).
Bend 34 km E 1147m alt. 2 hours ago	4°C	Dry	Calm (3 kph at 0).
Bend 34 km E 1164.6m alt. 2 hours ago	8°C	Dry	Calm (0 kph at 138).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	0°C	Dry and partly cloudy.	Light winds from the WSW (7 kph at 240).	16 km Low: few Mid: scattered High: broken
Black Butte Ranch wx 36 km NW 1429m alt. 35 minutes ago	2°C	-	Calm (0 kph at 281).
Bend 37 km SSE 1297m alt. 2 hours ago	-3°C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 2 hours ago	6°C	Dry	Calm (0 kph at 284).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	7°C	Dry	Light winds from the SW (13 kph at 229).
Cloverdale wx 42 km NE 947m alt. 54 minutes ago	3°C	Dry	Calm (0 kph at 234).
La Pine 43 km SSE 1298m alt. 2 hours ago	-2°C	-	Calm (0 kph at 348).

* 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.