The decoder has a bug at the end of month (I assume). It figures out that Sunday is Friday. I guess it thinks that 01 id 1.11. (which was Friday), not 1.12.

TAF LKPR 300500Z 3006/0112 26008KT 9999 SCT040 TEMPO 3006/3010 5000 -SHSN BKN017 BECMG 3021/3023 CAVOK BECMG 3023/0101 VRB02KT PROB30 TEMPO 0104/0108 2500 BR SCT013 BECMG 0107/0109 11007KT

TAF
Issued 4h 26m ago - all times local
From Saturday 7:00 till 13:00 next day:
Wind 260° 8kt. Visibility 10km or more. Clouds scattered 4000ft.
Temporarily from Saturday 7:00 till 11:00: Visibility 5000m. Light shower snow. Clouds broken 1700ft.
Becoming from Saturday 22:00 till 0:00 next day:
Ceiling and visibility OK.
Becoming from Sunday 0:00 till 2:00 next day:
Wind variable 2kt.
With 30% probability, temporarily from Friday 5:00 till 9:00: Visibility 2500m. Mist. Clouds scattered 1300ft.
Becoming from Friday 8:00 till 10:00:
Wind 110° 7kt.

TAF LKPR 310500Z 3106/0112 25007KT 9999 SCT040 TEMPO 3106/3115 29015KT 9999 -RA BKN023 BECMG 3117/3120 CAVOK BECMG 3123/0102 9999 BKN030 TEMPO 0102/0112 -RA OVC017=

it should be tuesday till wednesday -- it decodes data 01 as 10/01 and not as 11/01 (as it's 10/31 today). The same for the last record (till Sunday, temporarily from Sunday ...)