– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Mon 15 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Mon 15 Apr 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 below freezing (max -2°C on Mon afternoon, min -9°C on Tue night). Winds decreasing (near gales from the WNW on Mon night, light winds from the WNW by Wed afternoon).											Days 5–7 Weather Summary Mostly dry. Freeze-thaw conditions (max 3°C on Sat night, min -6°C on Thu afternoon). Winds decreasing (fresh winds from the W on Fri night, light winds from the WSW by Sun morning).
	Mon 15		Tuesday 16			Wednesday 17			Thursday 18			Friday 19			Saturday 20
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	some clouds	some clouds	clear	clear	clear	clear	clear	clear	some clouds	some clouds	clear	clear	some clouds	some clouds	some clouds
km/h	NW	WNW	WNW	W	WNW	NNW	WSW	W	W	SW	SW	WSW	WSW	W	WSW	WSW	W
Wave Height Map See all maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	-2	-2	-7	-7	-8	-8	-8	-6	-6	-5	-4	-4	-4	-2	-2	-2	3
min°C	-3	-5	-7	-8	-9	-9	-9	-7	-6	-6	-4	-4	-4	-3	-3	-3	-1
chill°C	-11	-16	-18	-19	-21	-16	-14	-14	-12	-10	-10	-10	-10	-10	-11	-10	-8

Freezing level (m)	2400	1150	1950	1950	750	1850	2200	1200	2200	2500	1450	2450	2700	2400	2800	2900	3350
Cloud base (m)	1800	1800	2000	2950	1800				8450			5200				6850	7250

	—	—	6:20	—	—	6:18	—	—	6:16	—	—	6:15	—	—	6:13	—	—
	7:52	—	—	7:52	—	—	7:53	—	—	7:54	—	—	7:55	—	—	7:58	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Temperatures will be below freezing (max -2°C on Mon afternoon, min -9°C on Tue night). Winds decreasing (near gales from the WNW on Mon night, light winds from the WNW by Wed afternoon).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 3°C on Sat night, min -6°C on Thu afternoon). Winds decreasing (fresh winds from the W on Fri night, light winds from the WSW by Sun morning).

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 5 closest weather stations

Weather Station	Temp.	Weather	Wind
Sunriver wx 23 km SE 1684m alt. 1 hour ago	2° C	-	Calm (0 kph at 152).
Sisters wx 25 km NNE 1022m alt. 1 hour ago	6° C	Dry	Calm (5 kph at 256).
Sisters 32 km NE 964m alt. 53 minutes ago	5° C	Dry	Light winds from the W (6 kph at 277).
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Bend 34 km E 1164.6m alt. 1 hour ago	7° C	Dry	Calm (3 kph at 179).

* 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.