Turning colder over the rest of the week with hill snow and temperatures as low as -3C with frost and ice
In what has been a cold start to November compared to a rather mild and wet October temperatures across Ireland will stay cold over the rest of this week and into this weekend. This is due to a northerly airflow and Arctic air mass which can bee seen below on the chart.
Looking at the latest from the jet stream we see it is to the south of Ireland not to far away allowing that colder air to effect the both Ireland and the UK over the rest of the week into this weekend. In the chart below you will see where the jet stream is located between the Blues and Greens on the chart.
The green and yellows on the chart is warmer air and the Blues are colder air with the Jet stream in between.
Below we look at the forecast over the week and weekend and what we have in store.
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WEDNESDAY
Starting of with Wednesday a spell of thundery rain will move in from the Atlantic just after dawn moving west to east across Ireland over the morning and afternoon with some spot flooding possible on roads, There is a risk that this rain will turn to sleet in places for a time with possible snow over higher ground and the mountains as the band of precipitation moves eastwards. Over the evening as this rain and sleet moves into the east the front will stall over Leinster and Munster with a mix of rain, sleet and possible wet snow for a time as temperatures drop over the evening and night. There is the small chance of limited and temporary accumulations for some lower level areas of parts of Leinster and Munster. Over the hills and mountains of Munster and Leinster this will fall mainly as snow particularly around Sally’s gap in Wicklow. That band of precipitation will clear to the south of Ireland after midnight Wednesday.
The main accumulations of snow will occur on ground above 500 meters above sea level.
Over Ulster some areas will not see that much rain or sleet on Wednesday with the highest totals over the east and south of Ireland.
Day time temperatures on Wednesday will only range between 4C to 7C in northerly breezes. Turning cold with frost and icy patches also overnight as that band of rain then clears to the south. Temperatures overnight will range between -1C to 2C.
Thursday
Thursday will be a better day across Ireland with good bright and sunny spells for many parts but it will be cold with northerly breezes again. Some showers will occur across northern, and western coastal areas over the day with some of hail. Temperatures on Thursday will range between 5C to 8C.
It will turn cold again on Thursday night with temperature between -2C to 2C with the risk of frost and icy stretches on roads. Some showers will occur across the north and northwest with a increase risk of ice on roads.
Friday
Friday looks set to be the best day of the week with good bright and sunny spells nationwide with little showers if any occurring any showers if any would be across northern and southeastern coastal areas. Cold again on Friday with northerly breezes and temperatures between 6C to 9C'.
Friday night will turn very cold with temperatures dropping as low as -3C and possibly as low as -4C with highs of around 0C to 1C in one or two spots with a widespread sharp to severe frost developing. Some ice could develop on any wet roads. Some mist and fog also overnight
Weekend
Saturday
At present Saturday looks set to start of dry with any mist and fog clearing. On Saturday afternoon and night another spells of rain and sleet looks set to cross Ireland with the risk of snow over higher ground and the mountains.
Sunday
Sunday will see a mixture of showers but some good bright and sunny spells also. Overnight looks set be cold on Sunday with another sharp ground frost.
At present the early days of next week looks set remain cold but hints that it will become a little warmer over the second half next week with the unsettled weather continuing.
Kenneth from the Donegal Weather Channel
Kenneth from the Donegal Weather Channel.
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