– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 pm Tue 21 Jan Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Tue 21 Jan Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 2°C on Wed night, min -16°C on Fri afternoon). Mainly severe gales.										Days 5–7 Weather Summary Mostly dry. Freeze-thaw conditions (max 1°C on Sun night, min -17°C on Fri night). Winds decreasing (extremely windy from the ENE on Fri night, light winds from the NNE by Mon morning).
		Wednesday 22			Thursday 23			Friday 24			Saturday 25			Sunday 26			Monday 27
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	cloudy	some clouds	clear	snow shwrs	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear
km/h	NW	N	NNW	NNW	NW	WNW	WNW	NW	NE	NE	ENE	ENE	ENE	ENE	NE	NE	NNE	NNE	NE
See all weather maps
cm	—	—	—	—	—	—	—	—	1.0	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	-3	-1	1	2	1	0	-3	-11	-16	-16	-14	-11	-4	-3	-2	1	1	1	2
min°C	-4	-3	0	1	1	-1	-9	-15	-16	-17	-15	-12	-10	-3	-3	-1	1	1	0
chill°C	-11	-9	-6	-5	-5	-9	-22	-23	-28	-35	-32	-27	-25	-13	-12	-9	-4	-4	-7

Freezing level (m)	1150	2500	3200	3400	3350	3150	1250	900	1050	350	450	550	0	1150	1600	1400	3300	3300	3250
Cloud base (m)		8000	9300	9600	9900		1750	1800	1850	1800	1850							8600

	—	7:33	—	—	7:33	—	—	7:31	—	—	7:31	—	—	7:30	—	—	7:28	—	—
	—	—	5:02	—	—	5:05	—	—	5:06	—	—	5:07	—	—	5:08	—	—	5:09	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A dusting of new snow. Freeze-thaw conditions (max 2°C on Wed night, min -16°C on Fri afternoon). Mainly severe gales.

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 1°C on Sun night, min -17°C on Fri night). Winds decreasing (extremely windy from the ENE on Fri night, light winds from the NNE by Mon 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	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 969m alt. 48 minutes ago	-4° C	-	Calm (0 kph at 0).
Sisters wx 25 km NNE 1022m alt. 27 minutes ago	-4° C	-	Calm (0 kph at 255).
Sisters 32 km NE 964m alt. 34 minutes ago		Dry
Bend 34 km E 1147m alt. 53 minutes ago	0° C	-	Calm (5 kph at 15).
Sunriver 34 km SE 1242m alt. 2 hours ago		Dry
Bend 34 km E 1164.6m alt. 24 minutes ago	2° C	-	Light winds from the S (8 kph at 184).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	-6° C	Clear	Light winds from the SSW (6 kph at 210).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	1° C	-	Calm (0 kph at 308).
Bend wx 36 km E 1118m alt. 2 hours ago		Dry
Bend 37 km SSE 1297m alt. 3 hours ago	-5° C	-	Calm (0 kph at 0).

* 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.