Summary for all mountain areas

Wind speeds lighter than recent days, but where exposed still considerable wind chill. Most areas dry, but in north and north-west Scotland, also around Snowdon, expect areas of snow and hail showers.

Headline for Snowdonia National Park

Mostly light wind. Snow showers, likely just Snowdon range.

How windy? (On the summits)

Northerly 20 to 25mph.

Effect of wind on you?

Mostly small, but may locally impede ease of walking on higher areas. Significant wind chill.

How Wet?

Snow showers, mostly north-west

Snow and hail showers; mostly or all confined to Snowdon range, where toward the west over a few hours precipitation may be almost constant, giving whiteout. Elsewhere, rare if any snow flurries.

Cloud on the hills?

Extensive Snowdon range

Cloud base variable: Lowest and most extensive on Snowdon range, where often at or below 800m, but occasional breaks to 1000m. Least cloud south of Bala to Barmouth, where rarely below 800m.

Chance of cloud free summits?

40% Snowdon range; 70% elsewhere.

Sunshine and air clarity?

Bright sun, most widely south of Bala to Barmouth. The air very clear indeed - but visibility suddenly appalling in snow and cloud.

How Cold? (at 900m)

-5C; but feeling close to minus 15 Celsius where exposed to strongest wind.

Freezing Level

Terrain frozen from most valleys upward; slight thawing lower sunlit and slopes nearest the coast.