– 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 4°C on Thu morning, min -12°C on Fri afternoon). Winds increasing (light winds from the N on Wed morning, near gales from the WNW by Thu night).										Days 5–7 Weather Summary Mostly dry. Freeze-thaw conditions (max 4°C on Mon morning, min -14°C on Fri night). Winds decreasing (severe gales 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	some clouds	snow shwrs	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear
km/h	NW	N	N	NNW	NW	WNW	WNW	NNW	NE	NE	ENE	ENE	ENE	ENE	ENE	NE	NNE	NE	NE
See all weather maps
cm	—	—	—	—	—	—	—	—	1.0	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	-3	1	2	2	4	2	-1	-8	-11	-12	-11	-10	-5	-1	-2	1	4	3	3
min°C	-3	0	1	1	4	0	-7	-10	-12	-14	-12	-10	-9	-3	-2	-1	3	1	1
chill°C	-10	-3	-4	-4	0	-7	-17	-16	-25	-29	-26	-23	-21	-12	-9	-7	0	-3	-4

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 4°C on Thu morning, min -12°C on Fri afternoon). Winds increasing (light winds from the N on Wed morning, near gales from the WNW by Thu night).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 4°C on Mon morning, min -14°C on Fri night). Winds decreasing (severe gales 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 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 5 closest weather stations

Weather Station	Temp.	Weather	Wind
Sisters wx 25 km NNE 1022m alt. 1 hour ago	-6° C	-	Calm (0 kph at 255).
Sisters 32 km NE 964m alt. 43 minutes ago		Dry
Bend 34 km E 1147m alt. 40 minutes ago	-2° C	-	Calm (3 kph at 335).
Sunriver 34 km SE 1242m alt. 38 minutes ago		Dry
Bend 34 km E 1164.6m alt. 2 hours ago	1° C	-	Light winds from the S (8 kph at 179).
Black Butte Ranch wx 36 km NW 1429m alt. 48 minutes 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. 54 minutes ago	-12° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	-1° C	-	Calm (0 kph at 136).
Camp Sherman 39 km NNE 920.5m alt. 49 minutes ago	-6° C	-	Calm (0 kph at 205).

* 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.