– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 am Mon 23 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Mon 23 Mar Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A moderate fall of snow, heaviest on Tue afternoon. Temperatures will be below freezing (max -1°C on Mon morning, min -13°C on Wed night). Winds increasing (moderate winds from the W on Mon morning, extremely windy from the WSW by Wed morning).									Days 4–6 Weather Summary Mostly dry. Freeze-thaw conditions (max 3°C on Fri afternoon, min -9°C on Thu morning). Winds increasing (light winds from the SW on Fri morning, near gales from the SW by Sat night).
	Monday 23			Tuesday 24			Wednesday 25			Thursday 26			Friday 27			Saturday 28
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	some clouds	some clouds	cloudy	light snow	mod. snow	light snow	snow shwrs	snow shwrs	clear	clear	some clouds	some clouds	some clouds	cloudy	some clouds	clear	clear
km/h	WSW	SW	WSW	WSW	WSW	WSW	WSW	W	W	NW	W	WSW	S	SSW	SW	SW	SW	SW
See all weather maps
cm	—	—	—	—	3	8	2	2	3	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-1	-2	-1	-1	-1	-2	-8	-10	-11	-8	-7	-1	1	3	2	1	0	0
min °C	-1	-2	-3	-1	-2	-7	-9	-12	-13	-9	-8	-4	0	2	1	1	0	-2
chill °C	-7	-9	-13	-12	-13	-21	-23	-26	-27	-20	-14	-10	-4	-4	-6	-5	-6	-12

Freezing level m	2950	2850	2700	3050	2850	2300	1500	1500	500	1500	2300	1400	3300	3500	3400	3250	3100	2850
Cloud base (m)	6000		2150	2350	1950	1800	1800	1800	1800		8750		6500	6300	5250	4750	5350	9150

	7:05	—	—	7:03	—	—	7:01	—	—	6:58	—	—	6:58	—	—	6:56	—	—
	—	7:22	—	—	7:22	—	—	7:24	—	—	7:25	—	—	7:27	—	—	7:28	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A moderate fall of snow, heaviest on Tue afternoon. Temperatures will be below freezing (max -1°C on Mon morning, min -13°C on Wed night). Winds increasing (moderate winds from the W on Mon morning, extremely windy from the WSW by Wed morning).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 3°C on Fri afternoon, min -9°C on Thu morning). Winds increasing (light winds from the SW on Fri morning, near gales from the SW 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	-	Calm (0 kph at 0).
Bend 34 km E 1164.6m alt. 1 hour ago	3° C	Dry	Calm (5 kph at 209).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	-3° C	Clear	Light winds from the SSE (9 kph at 160).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 56 minutes ago	1° C	-	Calm (0 kph at 294).
Bend 37 km SSE 1297m alt. 49 minutes ago	-4° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	2° C	-	Calm (0 kph at 292).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	0° C	-	Calm (2 kph at 324).
Rainbow wx 41 km WSW 410m alt. 2 hours ago	4° C	Dry	Calm (3 kph at 155).
Cloverdale wx 42 km NE 947m alt. 2 hours ago	-4° C	-	Calm (0 kph at 256).
La Pine 43 km SSE 1298m alt. 1 hour ago	-3° C	-	Calm (0 kph at 349).

* 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.