– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 am Wed 30 Oct Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Wed 30 Oct Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Light rain (total 3mm) on Wed afternoon. Becoming colder with heavy fall of snow, heaviest during Thu afternoon. Freeze-thaw conditions (max 5°C on Wed morning, min -2°C on Wed night). Wind will be generally light.									Days 4–6 Weather Summary A light covering of new snow mostly falling on Sat morning. Freeze-thaw conditions (max 3°C on Mon afternoon, min -3°C on Sat night). Wind will be generally light.
	Wednesday 30			Thursday 31			Friday 1			Saturday 2			Sunday 3			Monday 4
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	light snow	mod. snow	light snow	mod. snow	mod. snow	light snow	light snow	light snow	light snow	light snow	snow shwrs	light snow	cloudy	some clouds	some clouds	light snow	light snow
km/h	SSW	WSW	WSW	SSW	WSW	WSW	SW	SSW	WSW	W	W	W	W	WNW	WNW	WSW	WSW	W
See all weather maps
cm	—	3	6	4	8	7	2.0	5	4	2.0	1.0	1.0	2.0	—	—	—	1.0	1.0
mm	—	3	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	5	2	-1	0	0	1	2	2	1	0	0	-1	0	0	-1	1	3	2
min°C	0	1	-2	-2	0	0	2	2	0	0	0	-3	-1	0	-3	-3	0	-1
chill°C	-2	-2	-7	-5	-4	-4	-2	-2	-3	-3	-4	-7	-4	-3	-6	-3	-3	-7

Freezing level (m)	2400	1750	1150	1450	1450	1650	1900	1800	1500	1550	1500	1100	1450	1500	1100	2200	1500	1550
Cloud base (m)	2800	2000	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1950	1800

	7:41	—	—	7:43	—	—	7:43	—	—	7:45	—	—	6:47	—	—	7:48	—	—
	—	5:58	—	—	5:57	—	—	5:55	—	—	5:53	—	—	4:52	—	—	5:52	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Light rain (total 3mm) on Wed afternoon. Becoming colder with heavy fall of snow, heaviest during Thu afternoon. Freeze-thaw conditions (max 5°C on Wed morning, min -2°C on Wed night). Wind will be generally light.

South Sister Volcano Weather (Days 3-6):

A light covering of new snow mostly falling on Sat morning. Freeze-thaw conditions (max 3°C on Mon afternoon, min -3°C on Sat night). Wind will be generally light.

This table gives the weather forecast for South Sister Volcano at the specific elevation of 1500 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 5 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sunriver wx 23 km SE 1684m alt. 1 hour ago	1° C	-	Calm (0 kph at 152).
Sisters wx 25 km NNE 969m alt. 2 hours ago	6° C	Dry	Calm (0 kph at 342).
Sisters wx 25 km NNE 1022m alt. 1 hour ago	6° C	Dry	Calm (2 kph at 271).
Sisters 32 km NE 964m alt. 1 hour ago	7° C	Dry
Sunriver 34 km SE 1242m alt. 2 hours ago	6° C	Dry	Calm (3 kph at 136).
Bend 34 km E 1164.6m alt. 59 minutes ago	10° C	Dry	Light winds from the SW (14 kph at 230).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	6° C	Haze -.	Moderate winds from the SW (24 kph at 230).	10 km Low: few Mid: scattered High: broken
Black Butte Ranch wx 36 km NW 1429m alt. 2 hours ago	2° C	-	Calm (5 kph at 293).
Bend 37 km ESE 1158m alt. 1 hour ago	11° C	Dry	Calm (0 kph at 228).
Bend wx 39 km E 1118m alt. 39 minutes ago	9° C	Dry	Light winds from the SW (13 kph at 232).

* 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.