Vierwaldstättersee area 2019-Dec-10-Tue at 22:47:12Z. custom forecast (GFS 0.5°) by soaringmeteo.ch, © 2016. Night forecast with data 18Z.

Date		2019-Dec-11-Wed				2019-Dec-12-Thu				2019-Dec-13-Fri				2019-Dec-14-Sat				2019-Dec-15-Sun				2019-Dec-16-Mon				2019-Dec-17-Tue
Winter (Summer) time		10h (11h)	13h (14h)	16h (17h)		10h (11h)	13h (14h)	16h (17h)		10h (11h)	13h (14h)	16h (17h)		10h (11h)	13h (14h)	16h (17h)		10h (11h)	13h (14h)	16h (17h)		10h (11h)	13h (14h)	16h (17h)		10h (11h)	13h (14h)	16h (17h)
Flyable ? +/-		---	---	---		---	---	+++		---	---	---		---	---	---		---	+++	---		---	---	---		---	---	---
ThQ %		32	32	30		6	17	49		1	1	13		0	1	2		26	44	39		11	3	3		7	13	19
General wind kmh		SSW 2	N 1	NNW 4		W 6	NW 5	SE 3		S 18	WNW 7	WSW 7		SW 27	SSW 10	SSE 11		SSE 12	SSE 7	SSE 8		SSE 15	SSE 19	SSE 17		SSE 15	SSE 13	SSE 11
Top wind kmh		WSW 3	N 2	NNW 6		W 11	W 10	SSE 5		SSW 28	W 16	W 18		W 59	WSW 26	S 14		S 10	SSW 4	SE 6		SSE 19	SSE 24	SSE 22		SSE 18	SSE 15	SSE 11
Cloud cover %		100	100	100		100	95	43		100	100	100		97	99	100		60	53	62		18	37	97		100	100	100
Rain mm		0	0	0		1	2	0		3	6	3		2	4	3		0	0	0		0	0	0		0	0	0
Sea level Pressure hPa		1016	1012	1010		1011	1009	1007		989	989	994		1003	1005	1004		1010	1010	1012		1012	1010	1010		1011	1011	1012
Isotherm 0°C m		2400	2300	1900		800	900	600		1100	900	800		1700	1800	2000		2400	2300	2100		3000	3100	3100		2800	2700	2500
Storm risk		No or very low risk.				No or very low risk.				No or very low risk.				No or very low risk.				No or very low risk.				No or very low risk.				No or very low risk.

NB: not flyable --- if rainy, too cloudy, too windy and high risk of thunderstorm.