National Forecast

Issued at: 23 November 2024 04:40

TODAY - Saturday 23rd November

Very wet and windy this morning due to Storm Bert with widespread heavy rain causing flooding in some areas, particularly in the south, southwest and west. The rain will clear the east around lunchtime but showery rain will move in from the west and southwest through the afternoon and evening and will be heavy at times with hail and thunder possible. Very strong and gusty southerly winds, will decrease moderate for a time before increasing strong and gusty again by evening time, strongest in the south and southeast. Highest temperatures of 12 to 15 degrees.

TONIGHT

Windy tonight with showery rain, heavy in places with spot flooding will continue to track eastwards across the country with clear spells and scattered blustery showers following from the west to all areas by morning. Lowest temperatures of 5 to 9 degrees in fresh to strong and gusty south to southwest winds.

TOMORROW - Sunday 24th November

A windy day tomorrow with sunny spells and scattered heavy showers, most frequent for Atlantic counties where they will merge to longer spells of rain at times, particularly in the west and northwest. Highest temperatures of 9 to 12 degrees with strong and gusty south to southwest winds with gales or strong gales near coasts, strongest in the west and northwest.

National Outlook

OVERVIEW: Windy and showery at first before Storm Bert gradually clears away through Monday. More settled conditions developing for midweek with frosts at night.

Sunday night: Windy overnight with scattered showers continuing with longer spells of rain likely for parts of Ulster. Driest and clearest in the southeast and east. Lowest temperatures of 3 to 7 degrees with fresh to strong and gusty southwest to west winds with gales or strong gales near western and northern coasts.

Monday: Sunny spells and scattered blustery showers with a chance of hail, most frequent for Atlantic counties. Fresh to strong and gusty westerly winds at first will moderate through the day. Highest temperatures of 7 to 10 degrees.

Monday night: Becoming dry for most overnight as showers becoming lighter and largely confined to Atlantic and northern coasts. Frost and some icy patches will develop with lowest temperatures of -2 to +2 degrees in light to moderate westerly winds. Some fog patches will also develop.

Tuesday: Dry and sunny for most. However, a few showers will continue near northern and Atlantic coasts. Cloud will also build for southern and southeast with a chance of some light rain and drizzle developing near coasts. Highest temperatures of 6 to 8 degrees in mostly light westerly winds.

Tuesday night: Some light patchy rain and drizzle is possible for a time in the southeast and a few showers will occur in the southeast. Otherwise it will be dry with frost and fog developing in many areas. Lowest temperatures of -2 to +1 degrees in light northerly or variable breezes.

Wednesday: Fog will clear through the morning to leave a dry day with good spells of sunshine and with just a few stray showers in the north. Highest temperatures of 4 to 7 degrees in light northerly or variable breezes.

Wednesday night: Dry, cold and mostly clear overnight with frost and fog developing widely. Lowest temperatures of -3 to +1 degrees with light winds becoming easterly and freshening in the southwest towards morning.

Thursday: Current indications suggest that after a cold, dry and bright morning, cloud will build from the southwest with rain, moderate to fresh southeasterly winds and milder air gradually following. Highest afternoon temperatures of 4 to 9 degrees.

Further Outlook: Indications are that our weather will be unsettled for the end of the week with rain and showers at times but temperatures will increase.