Vierwaldstättersee area 2026-Sep-16-Wed at 20:22:31Z. custom forecast (GFS 0.5°) by soaringmeteo.ch, © 2016. Evening forecast with data 12Z.

Date		2026-Sep-17-Thu				2026-Sep-18-Fri				2026-Sep-19-Sat				2026-Sep-20-Sun				2026-Sep-21-Mon				2026-Sep-22-Tue				2026-Sep-23-Wed
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 %		43	49	47		40	74	82		40	46	48		56	42	54		35	46	71		51	71	71		52	65	66
General wind kmh		NNE 2	WNW 3	NW 3		NW 4	NW 6	NW 4		N 3	N 2	NNW 4		WSW 2	NW 7	NW 5		NNW 4	NNW 7	NNW 7		NNE 6	NNE 8	NNE 7		NNE 6	N 5	N 5
Top wind kmh		SSW 2	SSW 9	SSW 7		W 6	WSW 10	WSW 7		E 0	S 5	WSW 2		WSW 4	WNW 9	W 9		NNW 3	WNW 8	NW 10		NE 9	NE 7	NE 7		ENE 6	ESE 4	S 1
Cloud cover %		100	100	100		100	44	48		83	100	74		28	100	58		100	100	38		0	0	0		5	5	6
Rain mm		0	0	0		0	0	0		0	0	0		0	0	0		0	0	0		0	0	0		0	0	0
Sea level Pressure hPa		1017	1016	1014		1017	1017	1016		1023	1022	1022		1026	1026	1025		1028	1026	1025		1025	1024	1023		1023	1021	1020
Isotherm 0°C m		3500	3600	3600		3000	2800	2800		3700	3800	3800		3800	3800	3800		4000	4200	4000		4000	4200	4000		4200	4200	4200
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.