:00:00. > 3:59:59the mid-teens. Largely dry for the marathon. Here is the outlook for
:00:00. > :00:00.the weather marathon. Here is the outlook for
:00:00. > :00:00.the weather for the next few days and Helen Willetts has the National
:00:00. > :00:17.forecast. While unusual to see snow in May, it
:00:18. > :00:21.will be a shock to the system. We've seen some interesting contrast. 19
:00:22. > :00:26.degrees cost is in Scotland in the sunshine today. In the sunshine only
:00:27. > :00:32.11. The differences we are behind a cold weather front. Seeing a stepped
:00:33. > :00:37.down in temperatures. The cold air filtering sound so there will be a
:00:38. > :00:40.widespread ground frost across the country. The week weather front
:00:41. > :00:46.still with us so we could cheat patchy mist and fog. The best chance
:00:47. > :00:51.of seeing the meteor shower overnight will be in those clear
:00:52. > :00:54.skies further north. A better chance for south overnight. We start
:00:55. > :00:57.Saturday morning with the line of cloud, the weather front from
:00:58. > :01:00.Northern Ireland through Wales, the Midlands coming the south-east. The
:01:01. > :01:06.clear air following the weather front. Slow to weaken and showers
:01:07. > :01:09.may follow. It's likely we'll get good spells of sunshine in the
:01:10. > :01:13.south-west, south-west Wales into the afternoon, where we see more
:01:14. > :01:19.sunshine, we're temperatures of 16, possibly 17. Could be the odd
:01:20. > :01:23.shower. More sunshine than today for some. Not perhaps for Northern
:01:24. > :01:26.Ireland. That weather front never too far away. Largely dry with some
:01:27. > :01:32.brightness, certainly through central and southern parts of
:01:33. > :01:36.Scotland. Parts of the central belt with showers will make it feel
:01:37. > :01:40.chilly. Here is a taste of what is to come. Clear skies filter further
:01:41. > :01:44.south tomorrow night, then it means it'll be a cold night in the south
:01:45. > :01:49.with ground frost here as well. A chilly start to Sunday. If you are
:01:50. > :01:52.running the marathon, even if you have cloud, it'll feel chilly. Good
:01:53. > :01:56.running weather. As the morning wears on its likely we'll see more
:01:57. > :02:00.breaks in the cloud, becoming warmer into the afternoon for the late
:02:01. > :02:03.runners. It means it looks like we'll see more sunshine around on
:02:04. > :02:06.Sunday compared with Saturday and for Northern Ireland the same is
:02:07. > :02:10.true. For northern Scotland things will change with the onset of heavy
:02:11. > :02:16.rain and strong winds, still chilly air up in the Northern Isles. 14-16
:02:17. > :02:21.because the sun isn't as strong this time of year as it is in August. The
:02:22. > :02:27.high and light winds help it to feel warmer. We'll see another step down
:02:28. > :02:29.as that Arctic air flows in behind our cold weather