– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 am Wed 18 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Wed 18 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. Mild temperatures (max 8°C on Wed morning, min 1°C on Fri night). Mainly near gales.									Days 4–6 Weather Summary Mostly dry. Freeze-thaw conditions (max 3°C on Sun afternoon, min -2°C on Sat morning). Winds increasing (light winds from the WSW on Sun morning, gales from the SW by Mon night).
	Wednesday 18			Thursday 19			Friday 20			Saturday 21			Sunday 22			Monday 23
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	clear	some clouds	some clouds	rain shwrs	some clouds	clear	clear	clear	clear	cloudy	cloudy	cloudy	cloudy
km/h	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	W	W	WNW	WSW	SW	SW	WSW	WSW	WSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	0.1	—	—	—	—	—	—	—	—	—
max °C	8	8	6	6	8	6	7	7	4	-2	-2	-1	1	3	3	3	1	1
min °C	6	8	5	5	7	6	6	6	1	-2	-2	-2	-1	3	2	2	1	0
chill °C	0	3	-1	-1	1	0	0	0	-7	-11	-10	-9	-5	0	-3	-4	-6	-8

Freezing level m	3750	3700	3650	3500	3500	3750	3450	3400	2900	2250	2200	1450	2750	2950	3200	2800	2650	2700
Cloud base (m)		9500	8500		3550			7300	1950	1900			8500	8200	5550	4350	3000	1800

	7:13	—	—	7:11	—	—	7:09	—	—	7:09	—	—	7:07	—	—	7:05	—	—
	—	7:15	—	—	7:16	—	—	7:19	—	—	7:20	—	—	7:21	—	—	7:22	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Mild temperatures (max 8°C on Wed morning, min 1°C on Fri night). Mainly near gales.

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 3°C on Sun afternoon, min -2°C on Sat morning). Winds increasing (light winds from the WSW on Sun morning, gales from the SW by Mon 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. 1 hour ago	24° C	Dry	Calm (3 kph at 210).
Sunriver 34 km SE 1242m alt. 2 hours ago		Dry
Bend 34 km E 1164.6m alt. 1 hour ago	25° C	Dry	Light winds from the W (16 kph at 264).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	22° C	Clear	Moderate winds from the W (20 kph at 260).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	19° C	Dry	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 2 hours ago	24° C	Dry	Wind obs. (10 kph from 314 degs) was rejected.
Bend 37 km ESE 1158m alt. 59 minutes ago	26° C	Dry	Calm (2 kph at 230).
Bend wx 39 km E 1118m alt. 1 hour ago	26° C	Dry	Light winds from the SSW (13 kph at 209).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	24° C	Dry	Light winds from the WSW (8 kph at 255).
Rainbow wx 41 km WSW 410m alt. 59 minutes ago	18° C	Dry	Light winds from the S (10 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.