– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 pm Mon 16 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Mon 16 Mar Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Temperatures will be slightly above freezing (max 4°C on Mon night, min 3°C on Mon night). Mainly stormy winds.										Days 5–7 Weather Summary Mostly dry. Freeze-thaw conditions (max 4°C on Thu night, min -7°C on Sat morning). Winds decreasing (extremely windy from the WSW on Fri night, calm by Sun afternoon).
		Tuesday 17			Wednesday 18			Thursday 19			Friday 20			Saturday 21			Sunday 22
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	some clouds	some clouds	some clouds	clear	clear	some clouds	cloudy	clear
km/h	W	W	WSW	W	WSW	WSW	WSW	WSW	WSW	WSW	SW	WSW	WSW	WNW	WNW	W	NW	SW	WSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	4	3	3	4	3	3	3	3	3	4	4	3	0	-6	-5	-3	-3	-3	-2
min °C	3	3	3	3	3	3	3	3	3	3	3	1	-5	-7	-6	-5	-3	-4	-3
chill °C	-6	-5	-5	-6	-6	-5	-5	-6	-5	-5	-5	-8	-18	-18	-14	-13	-9	-6	-8

Freezing level m	3850	3650	3750	3900	3700	3650	3700	3650	3600	3750	3700	3350	2300	1550	2250	1500	2600	2700	2450
Cloud base (m)		9250	9000		9200	9300							1800		8100	9100		6650	9050

	—	7:16	—	—	7:13	—	—	7:11	—	—	7:09	—	—	7:09	—	—	7:07	—	—
	—	—	7:15	—	—	7:15	—	—	7:16	—	—	7:19	—	—	7:20	—	—	7:21	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Temperatures will be slightly above freezing (max 4°C on Mon night, min 3°C on Mon night). Mainly stormy winds.

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 4°C on Thu night, min -7°C on Sat morning). Winds decreasing (extremely windy from the WSW on Fri night, calm by Sun afternoon).

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. 50 minutes ago	9° C	Dry	Calm (2 kph at 271).
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Bend 34 km E 1164.6m alt. 53 minutes ago	13° C	Dry	Light winds from the S (6 kph at 174).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	4° C	Clear	Light winds from the S (6 kph at 190).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	13° C	Dry	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 1 hour ago	-1° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 49 minutes ago	10° C	Dry	Calm (2 kph at 208).
Deschutes River Woods wx 40 km ESE 1185m alt. 37 minutes ago	5° C	Dry	Calm (2 kph at 247).
Bend 40 km E 1102m alt. 41 minutes ago		-	Light winds from the W (14 kph at 260).
Rainbow wx 41 km WSW 410m alt. 47 minutes ago	13° C	Dry	Calm (5 kph at 153).

* 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.