– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 am Thu 21 May Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Thu 21 May Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Freeze-thaw conditions (max 5°C on Sat afternoon, min 0°C on Thu morning). Winds increasing (calm on Thu afternoon, fresh winds from the W by Sat night).									Days 4–6 Weather Summary A light covering of new snow mostly falling on Mon night. Freeze-thaw conditions (max 6°C on Sun night, min -9°C on Mon night). Winds decreasing (severe gales from the WSW on Mon afternoon, light winds from the N by Tue afternoon).
	Thursday 21			Friday 22			Saturday 23			Sunday 24			Monday 25			Tuesday 26
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	clear	clear	clear	clear	clear	cloudy	clear	clear	clear	clear	some clouds	some clouds	light snow	snow shwrs	clear	clear
km/h	NE	WNW	WNW	WSW	SSW	W	W	WSW	W	WSW	WSW	SW	SW	WSW	W	NW	N	NNW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	5	1	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	1	3	2	1	3	4	4	5	5	4	5	6	2	-1	-6	-7	-2	1
min °C	0	2	1	1	2	4	3	4	4	3	4	3	0	-5	-9	-7	-4	-1
chill °C	-2	2	-4	-3	2	0	-1	1	-1	-2	-1	-5	-9	-17	-22	-18	-11	-7

Freezing level m	3200	3500	3350	3250	3600	3750	3650	3850	3800	3700	3900	3900	3250	2400	1700	1950	2850	3150
Cloud base (m)					3600	9000	7200	7200	9350			9400	8400	2800	1800	1850	2000	1850

	5:35	—	—	5:33	—	—	5:33	—	—	5:31	—	—	5:31	—	—	5:30	—	—
	—	—	8:31	—	—	8:32	—	—	8:34	—	—	8:35	—	—	8:36	—	—	8:37

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Freeze-thaw conditions (max 5°C on Sat afternoon, min 0°C on Thu morning). Winds increasing (calm on Thu afternoon, fresh winds from the W by Sat night).

South Sister Volcano Weather (Days 3-6):

A light covering of new snow mostly falling on Mon night. Freeze-thaw conditions (max 6°C on Sun night, min -9°C on Mon night). Winds decreasing (severe gales from the WSW on Mon afternoon, light winds from the N by Tue afternoon).

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	15° C	Dry	Calm (0 kph at 25).
Bend 34 km E 1147m alt. 52 minutes ago	13° C	Dry	Calm (5 kph at 23).
Bend 34 km E 1164.6m alt. 1 hour ago	13° C	Dry	Calm (3 kph at 340).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	13° C	Clear	Moderate winds from the NNE (20 kph at 30).	14 km
Black Butte Ranch wx 36 km NW 1429m alt. 30 minutes ago	12° C	Dry	Wind obs. (11 kph from 197 degs) was rejected.
Bend 37 km SSE 1297m alt. 37 minutes ago	15° C	Dry	Light winds from the NE (6 kph at 43).
Bend 37 km ESE 1158m alt. 1 hour ago	16° C	Dry	Calm (0 kph at 288).
Camp Sherman 39 km NNE 920.5m alt. 41 minutes ago	14° C	Dry	Calm (0 kph at 7).
Deschutes River Woods wx 40 km ESE 1185m alt. 54 minutes ago	13° C	Dry	Calm (2 kph at 22).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	17° C	Dry	Light winds from the ENE (10 kph at 59).

* 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.