Analysis by Metcheck HQ for T+06 Timestep (6Z run on Sunday 21 June 2026 ) Good morning everyone! Welcome to Sunday morning's 06z GFS commentary and it's all about the heat building this week. For today we have high pressure building across the country with just a slight risk of a shower in the east. | Latest Model Run at T+06 | Previous Model Run at T+06 | ![]() | ![]() |
Analysis by Metcheck HQ for T+30 Timestep (6Z run on Sunday 21 June 2026 ) Tomorrow sees temperatures rising as we start to import the very warm air over the near continent but high pressure keeps most places fine although late showers/thunderstorms are possible in places. | Latest Model Run at T+30 | Previous Model Run at T+30 | ![]() | ![]() |
Analysis by Metcheck HQ for T+54 Timestep (6Z run on Sunday 21 June 2026 ) Temperatures continue to rise on Tuesday with much of the south seeing values into the low-mid thirties. | Latest Model Run at T+54 | Previous Model Run at T+54 | ![]() | ![]() |
Analysis by Metcheck HQ for T+78 Timestep (6Z run on Sunday 21 June 2026 ) Remaining mostly fine and settled on Wednesday with exceptionally high temperatures towards the south of the UK along with much of western Europe. | Latest Model Run at T+78 | Previous Model Run at T+78 | ![]() | ![]() |
Analysis by Metcheck HQ for T+108 Timestep (6Z run on Sunday 21 June 2026 ) Thursday is another very warm or hot day for many places but pressure is falling from the west in the first signs of a pattern change... | Latest Model Run at T+108 | Previous Model Run at T+108 | ![]() | ![]() |
Analysis by Metcheck HQ for T+126 Timestep (6Z run on Sunday 21 June 2026 ) Friday sees the hot air slowly moving away to the east as cooler, more showery conditions start to push in from the west. | Latest Model Run at T+126 | Previous Model Run at T+126 | ![]() | ![]() |
Analysis by Metcheck HQ for T+150 Timestep (6Z run on Sunday 21 June 2026 ) Into next weekend and the southeast of England is still very warm but for many it is turning cooler from the west with some showers. That's the commentary, charts continue out to T+384 and enjoy your Sunday afternoon! | Latest Model Run at T+150 | Previous Model Run at T+150 | ![]() | ![]() |
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