– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 am Sun 15 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Sun 15 Mar Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Freeze-thaw conditions (max 4°C on Mon afternoon, min -3°C on Sun morning). Winds increasing (near gales from the WNW on Sun afternoon, stormy winds from the WSW by Tue night).									Days 4–6 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 5°C on Thu night, min -4°C on Fri night). Winds decreasing (stormy winds from the W on Wed morning, gales from the WSW by Fri night).
	Sunday 15			Monday 16			Tuesday 17			Wednesday 18			Thursday 19			Friday 20
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	cloudy	some clouds	some clouds	clear	clear	clear	clear	clear	some clouds	clear	some clouds	some clouds	clear	clear	some clouds	some clouds	snow shwrs
km/h	NW	WNW	WNW	WNW	W	W	W	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-1	-1	1	2	4	4	4	4	4	3	2	3	3	4	5	3	2	0
min °C	-3	-1	-1	1	4	3	3	3	2	2	2	2	3	4	4	2	1	-4
chill °C	-14	-10	-11	-8	-3	-5	-5	-5	-7	-7	-7	-7	-6	-4	-4	-7	-8	-15

Freezing level m	2850	2800	3350	3600	3850	3850	3750	3850	3700	3550	3550	3650	3750	3850	3900	3500	3350	2750
Cloud base (m)	3000	2250	3450	2700	9450		9250	9100	8600		6700	6350	9200	9550				1800

	7:18	—	—	7:18	—	—	7:16	—	—	7:13	—	—	7:11	—	—	7:09	—	—
	—	7:12	—	—	7:14	—	—	7:15	—	—	7:15	—	—	7:16	—	—	7:19	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Freeze-thaw conditions (max 4°C on Mon afternoon, min -3°C on Sun morning). Winds increasing (near gales from the WNW on Sun afternoon, stormy winds from the WSW by Tue night).

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Freeze-thaw conditions (max 5°C on Thu night, min -4°C on Fri night). Winds decreasing (stormy winds from the W on Wed morning, gales from the WSW by Fri 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	-4° C	-	Calm (0 kph at 0).
Sunriver 34 km SE 1242m alt. 31 minutes ago		Dry
Bend 34 km E 1164.6m alt. 48 minutes ago	-2° C	-	Calm (3 kph at 132).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	-4° C	Dry and partly cloudy.	Light winds from the S (7 kph at 170).	16 km Low: few Mid: scattered High: broken
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago		-	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 45 minutes ago	-6° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	-2° C	-	Calm (0 kph at 72).
Bend wx 39 km E 1118m alt. 33 minutes ago	-4° C	-	Calm (0 kph at 248).
Deschutes River Woods wx 40 km ESE 1185m alt. 37 minutes ago	-5° C	-	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	0° C	-	Light winds from the E (14 kph at 88).

* 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.