– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 am Thu 14 May Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Thu 14 May Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A moderate fall of snow, heaviest on Fri night. Temperatures will be below freezing (max -2°C on Thu morning, min -12°C on Fri night). Winds decreasing (severe gales from the W on Thu night, moderate winds from the N by Sat night).									Days 4–6 Weather Summary Mostly dry. Freeze-thaw conditions (max 4°C on Tue night, min -8°C on Sun morning). Winds increasing (calm on Sun afternoon, fresh winds from the NW by Tue night).
	Thursday 14			Friday 15			Saturday 16			Sunday 17			Monday 18			Tuesday 19
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	some clouds	some clouds	mod. snow	snow shwrs	light snow	snow shwrs	clear	some clouds	clear	clear	some clouds	clear	clear	clear	clear
km/h	W	W	W	W	W	W	WNW	WNW	N	N	SW	WNW	NNW	NW	WNW	NW	NW	NW
See all weather maps
cm	—	—	—	—	—	6	3	3	3	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-2	-3	-3	-4	-6	-7	-12	-11	-8	-7	-7	-4	-5	-5	-1	1	3	4
min °C	-2	-5	-5	-5	-8	-12	-12	-12	-12	-8	-7	-6	-5	-5	-2	-1	2	4
chill °C	-10	-16	-16	-14	-19	-26	-26	-25	-25	-14	-7	-10	-12	-11	-8	-7	-3	-1

Freezing level m	2800	2600	2250	2450	2300	1450	1550	1700	1050	2050	2350	1850	2500	2650	2700	3250	3600	3700
Cloud base (m)	6300	2700	1850		2800	1800	1800	1800	1800	1800	2200	5250	3100	2600

	5:41	—	—	5:41	—	—	5:39	—	—	5:37	—	—	5:37	—	—	5:35	—	—
	—	—	8:24	—	—	8:25	—	—	8:27	—	—	8:28	—	—	8:29	—	—	8:30

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A moderate fall of snow, heaviest on Fri night. Temperatures will be below freezing (max -2°C on Thu morning, min -12°C on Fri night). Winds decreasing (severe gales from the W on Thu night, moderate winds from the N by Sat night).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 4°C on Tue night, min -8°C on Sun morning). Winds increasing (calm on Sun afternoon, fresh winds from the NW by Tue night).

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	-2° C	-	Calm (0 kph at 210).
Bend 34 km E 1147m alt. 57 minutes ago	2° C	-	Calm (3 kph at 19).
Bend 34 km E 1164.6m alt. 2 hours ago	4° C	Dry	Light winds from the SSE (6 kph at 161).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	3° C	Clear	Light winds from the SW (17 kph at 220).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 2 hours ago	2° C	-	Calm (3 kph at 248).
Bend 37 km SSE 1297m alt. 1 hour ago	-3° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	4° C	Dry	Calm (0 kph at 194).
Camp Sherman 39 km NNE 920.5m alt. 2 hours ago	4° C	Dry	Calm (0 kph at 168).
Deschutes River Woods wx 40 km ESE 1185m alt. 58 minutes ago	4° C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	3° C	Dry	Calm (3 kph at 177).

* 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.