Vierwaldstättersee area 2025-Sep-15-Mon at 19:50:07Z. custom forecast (GFS 0.5°) by soaringmeteo.ch, © 2016. Evening forecast with data 12Z.

Date		2025-Sep-16-Tue				2025-Sep-17-Wed				2025-Sep-18-Thu				2025-Sep-19-Fri				2025-Sep-20-Sat				2025-Sep-21-Sun				2025-Sep-22-Mon
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 %		25	23	29		32	43	37		51	59	55		55	58	55		54	59	46		32	1	16		4	4	2
General wind kmh		NNW 2	NW 6	SSW 5		SE 1	S 3	ESE 2		NW 2	NNW 4	N 4		NNW 2	NW 5	NNW 3		ESE 2	NW 1	NW 3		NW 4	NNW 11	WSW 4		NNE 5	NNE 6	NW 5
Top wind kmh		W 4	WNW 11	WSW 9		SSE 3	SSW 6	S 2		SW 3	WSW 4	NW 1		SSE 3	W 3	WNW 3		SE 6	S 9	S 5		WNW 3	NW 19	NW 6		NE 4	NE 5	N 5
Cloud cover %		100	100	100		100	66	80		46	1	0		0	0	0		5	5	65		100	100	100		100	100	100
Rain mm		0	0	0		0	0	0		0	0	0		0	0	0		0	0	0		0	3	1		0	1	0
Sea level Pressure hPa		1024	1023	1022		1026	1025	1024		1024	1023	1022		1024	1022	1021		1018	1015	1013		1014	1016	1017		1017	1015	1014
Isotherm 0°C m		3200	3000	3200		3300	3900	4000		4300	4400	4400		4500	4500	4500		4300	4400	4300		3700	3700	3500		2900	3200	3200
Storm risk		No or very low risk.				No or very low risk.				No or very low risk.				High 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.