Vierwaldstättersee area 2026-May-21-Thu at 19:50:56Z. custom forecast (GFS 0.5°) by soaringmeteo.ch, © 2016. Evening forecast with data 12Z.

Date		2026-May-22-Fri				2026-May-23-Sat				2026-May-24-Sun				2026-May-25-Mon				2026-May-26-Tue				2026-May-27-Wed				2026-May-28-Thu
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 %		62	90	89		62	87	77		62	76	54		58	88	77		71	71	34		40	64	42		53	73	84
General wind kmh		N 4	NNW 4	N 5		N 4	N 6	NNE 8		NNE 6	NNE 7	NE 13		N 4	NNE 7	NNE 10		NNE 5	N 7	NNE 10		NNE 7	NE 10	NNE 13		NNE 8	N 8	N 7
Top wind kmh		SW 1	SW 3	SW 5		NNE 1	NE 6	ENE 9		E 8	E 10	E 10		E 3	E 3	ENE 3		ESE 4	SE 6	NNE 10		ENE 7	ENE 8	ENE 9		ENE 5	ENE 4	N 4
Cloud cover %		26	5	5		40	5	0		5	0	5		57	21	17		8	63	95		71	55	66		5	5	4
Rain mm		0	0	0		0	0	0		0	0	0		0	0	0		0	0	1		0	0	0		0	0	0
Sea level Pressure hPa		1026	1025	1024		1026	1025	1024		1027	1025	1024		1027	1026	1025		1026	1023	1022		1023	1021	1020		1022	1020	1020
Isotherm 0°C m		3900	3900	4000		4000	4000	4000		4000	4000	4100		4200	4200	4300		4400	4400	4400		4200	4200	4100		4000	4000	4000
Storm risk		No or very low risk.				Low risk.				High risk.				Middle risk.				Very high risk.				Middle risk.				No or very low risk.

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