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Thu 15 Jan 2026 • 12:37

UK weather maps show 74 counties hit by 406 mile polar blast – full list

UK weather maps show 74 counties hit by 406 mile polar blast – full list

Temperatures across the United Kingdom are predicted to drop to as low as -3°C on Wednesday, as a significant cold snap grips the nation. This extreme weather is the result of a polar blast stretching over 406 miles, impacting varied regions throughout the country.

Weather maps detail the extensive reach of this cold front, which has been accompanied by persistent snowfall and biting winds. The cold snap has prompted warnings of frost and icy conditions, particularly during the early mornings and late evenings. Following this frigid period, forecasts predict a transition to slightly milder, wetter conditions as the week progresses.

Here is the full list of affected counties:

1. Aberdeenshire

2. Angus

3. Argyll and Bute

4. Bath and North East Somerset

5. Bedfordshire

6. Berkshire

7. Buckinghamshire

8. Caerphilly

9. Cardiff

10. Carmarthenshire

11. Cheshire

12. Clackmannanshire

13. Conwy

14. Cornwall

15. County Down

16. County Durham

17. Denbighshire

18. Derbyshire

19. Devon

20. Dorset

21. Dumfries and Galloway

22. Durham

23. East Ayrshire

24. East Dunbartonshire

25. East Lothian

26. East Sussex

27. Essex

28. Flintshire

29. Fife

30. Glasgow

31. Gloucestershire

32. Greater Manchester

33. Gwynedd

34. Hampshire

35. Herefordshire

36. Hertfordshire

37. Highland

38. Isle of Anglesey

39. Isle of Wight

40. Kent

41. Lancashire

42. Leicestershire

43. Lincolnshire

44. Merseyside

45. Moray

46. Norfolk

47. North Ayrshire

48. North Lincolnshire

49. North Somerset

50. North West Leicestershire

51. North Yorkshire

52. Northamptonshire

53. Northumberland

54. Nottinghamshire

55. Pembrokeshire

56. Perth and Kinross

57. Powys

58. Renfrewshire

59. Rhondda Cynon Taf

60. Somerset

61. South Ayrshire

62. South Gloucestershire

63. South Lanarkshire

64. South Tyneside

65. Staffordshire

66. Suffolk

67. Surrey

68. Surrey Heath

69. Sussex

70. Tees Valley

71. Torfaen

72. Vale of Glamorgan

73. Warwickshire

74. West Sussex

"Early frost and fog giving way to milder, wet and windy weather from the west on Wednesday. Remaining unsettled and often windy, albeit milder thereafter, with rain followed by showers," forecasted the Office for Wednesday to Friday. A shift to milder, more unsettled, Atlantic-driven weather will follow as conditions begin to change later in the week, according to reports from last week by the Met Office.

Residents across the affected areas are advised to stay informed and prepared for the harsh conditions and fluctuating weather patterns ahead.