– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 am Mon 20 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Mon 20 Apr 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 5°C on Mon afternoon, min -6°C on Wed morning). Winds increasing (light winds from the SSW on Tue afternoon, gales from the W by Tue night).									Days 4–6 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 1°C on Fri afternoon, min -4°C on Sat night). Winds decreasing (fresh winds from the NNW on Thu morning, calm by Fri night).
	Monday 20			Tuesday 21			Wednesday 22			Thursday 23			Friday 24			Saturday 25
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	some clouds	cloudy	cloudy	cloudy	snow shwrs	light snow	light snow	some clouds	clear	clear	clear	clear	some clouds	some clouds	some clouds	light snow	snow shwrs
km/h	SSE	S	S	S	W	WNW	W	WNW	NW	NNW	N	NNE	NE	NW	WSW	S	WNW	WNW
See all weather maps
cm	—	—	—	—	—	1	1	1	—	—	—	—	—	—	—	—	1	3
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	4	5	3	-2	-2	-3	-5	-5	-1	-1	0	-2	-2	1	-1	-1	0	-2
min °C	3	4	-1	-3	-2	-4	-6	-5	-2	-1	0	-3	-2	0	-3	-2	-1	-4
chill °C	-3	-1	-7	-8	-6	-12	-17	-16	-11	-8	-6	-10	-8	-2	-3	-2	-6	-9

Freezing level m	2900	2950	2500	2100	2150	1800	1600	1700	1350	2150	2500	1700	2350	2600	2000	2400	2400	1950
Cloud base (m)	4900	3250	1850	1950	1800	1800	1800	1800	1800	1800	2050	1800		3450	3050	2900	3050	2600

	6:15	—	—	6:13	—	—	6:11	—	—	6:11	—	—	6:09	—	—	6:07	—	—
	—	7:55	—	—	7:58	—	—	7:59	—	—	—	8:00	—	—	8:00	—	—	8:01

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A dusting of new snow. Freeze-thaw conditions (max 5°C on Mon afternoon, min -6°C on Wed morning). Winds increasing (light winds from the SSW on Tue afternoon, gales from the W by Tue night).

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Freeze-thaw conditions (max 1°C on Fri afternoon, min -4°C on Sat night). Winds decreasing (fresh winds from the NNW on Thu morning, calm by Fri 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 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 1164.6m alt. 50 minutes ago	9° C	Dry	Calm (0 kph at 98).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	4° C	-	Wind obs. (7 kph from 350 degs) was rejected.	14 km Low: few
Black Butte Ranch wx 36 km NW 1429m alt. 2 hours ago	5° C	Dry	Calm (3 kph at 134).
Bend 37 km SSE 1297m alt. 1 hour ago	4° C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 2 hours ago	7° C	Dry	Calm (0 kph at 336).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	4° C	Dry	Calm (0 kph at 357).
Rainbow wx 41 km WSW 410m alt. 2 hours ago	11° C	Dry	Light winds from the E (16 kph at 101).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	5° C	Dry	Calm (0 kph at 254).
La Pine 43 km SSE 1298m alt. 3 hours ago	6° C	Dry	Calm (0 kph at 35).

* 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.