– Lat/Long: 44.10° N 121.77° W

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

Issued: 10 pm Tue 10 Mar Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A moderate fall of snow, heaviest on Tue night. Temperatures will be below freezing (max -2°C on Fri morning, min -14°C on Tue night). Winds increasing (severe gales from the W on Tue night, extremely windy from the W by Wed night).										Days 5–7 Weather Summary A heavy fall of snow, heaviest during Fri night. Freeze-thaw conditions (max 5°C on Mon morning, min -5°C on Fri night). Winds decreasing (extremely windy from the W on Fri night, near gales from the NW by Sat night).
		Wednesday 11			Thursday 12			Friday 13			Saturday 14			Sunday 15			Monday 16
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light snow	light snow	light snow	clear	light snow	light snow	snow shwrs	clear	cloudy	heavy snow	snow shwrs	clear	some clouds	clear	clear	some clouds	clear	clear	clear
km/h	W	W	W	W	W	W	W	W	W	W	WNW	NW	WNW	WNW	WNW	WNW	WNW	W	W
See all weather maps
cm	5	3	2	—	3	2	4	—	—	19	2	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-8	-5	-3	-3	-5	-3	-3	-2	-2	-3	-4	-4	-2	0	0	4	5	5	4
min °C	-14	-7	-4	-3	-6	-4	-6	-2	-2	-5	-5	-4	-4	-1	0	1	4	5	4
chill °C	-30	-20	-17	-16	-20	-17	-19	-14	-14	-17	-17	-15	-14	-11	-10	-8	-4	-2	-3

Freezing level m	1150	1850	2200	2250	2000	2350	2100	2450	2550	2150	1500	2200	1500	3100	3200	3700	3950	3950	3850
Cloud base (m)	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1850	8650	6350	2900	3000

	—	7:26	—	—	7:24	—	—	7:22	—	—	7:20	—	—	7:18	—	—	7:18	—	—
	—	—	7:07	—	—	7:08	—	—	7:09	—	—	7:10	—	—	7:12	—	—	7:14	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A moderate fall of snow, heaviest on Tue night. Temperatures will be below freezing (max -2°C on Fri morning, min -14°C on Tue night). Winds increasing (severe gales from the W on Tue night, extremely windy from the W by Wed night).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Fri night. Freeze-thaw conditions (max 5°C on Mon morning, min -5°C on Fri night). Winds decreasing (extremely windy from the W on Fri night, near gales from the NW by Sat 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	3° C	Dry	Calm (2 kph at 134).
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	2° C	Dry and cloudy.	Light winds from the SSW (17 kph at 200).	16 km Low: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 31 minutes ago	1° C	-	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 49 minutes ago	1° C	-	Calm (3 kph at 194).
Bend 37 km ESE 1158m alt. 1 hour ago	3° C	Dry	Calm (3 kph at 139).
Bend wx 39 km E 1118m alt. 2 hours ago	2° C	-	Light winds from the SSW (6 kph at 197).
Camp Sherman 39 km NNE 920.5m alt. 45 minutes ago	3° C	Dry	Calm (3 kph at 188).
Deschutes River Woods wx 40 km ESE 1185m alt. 42 minutes ago	2° C	-	Calm (0 kph at —).
Bend 40 km E 1102m alt. 1 hour ago		-	Light winds from the SSW (8 kph at 207).

* 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.