18/11/2025
⚠️❄️ YELLOW WARNING: SNOW & ICE FOR CORNWALL ❄️⚠️
Issued: Wednesday 12:00 Thursday 23:59
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Well… remember yesterday when we quietly whispered the “S-word” and hoped Cornwall wouldn’t hear us?
Turns out the Met Office were listening, because they’ve now slapped a Yellow Warning for Snow and Ice right over Cornwall . And yes… it’s that time of year already! 😅
Let’s dive into what’s going on 👇
❄️ WHAT TO EXPECT WEDNESDAY & THURSDAY
A feed of wintry showers will drop southwards across Cornwall throughout Wednesday and into Thursday. These showers will be mixed sleet, hail, rain, graupel, and for some of us… actual falling snow.
Snow accumulations are most likely:
• Overnight and early morning
• Further inland, away from the coast
• High ground over 200m (Bodmin Moor, higher inland routes, exposed hills)
Most coastal areas might just get sleet or wet flakes, but inland and upland spots could see 2–5 cm, and in a few isolated locations possibly up to 10 cm where showers line up for longer.
Some places, especially the south and southwest coasts, may see little or nothing sticking, while others could wake up to a proper wintry covering. Classic Cornwall chaos.
🌬️ THE WIND & ICE ISSUE
Expect gusty winds, some possibly touching gale force for a short time, especially around exposed coasts and higher ground.
Some showers will carry hail, and where snow melts then re-freezes overnight, it’ll create dangerous ice patches on untreated roads and pavements.
If you’re driving, walking, or attempting a heroic Tesco run take care!
🥶 TEMPERATURES
It’s going to feel bitterly cold:
• Daytime highs: 1°C to 6°C
• “Feels like” values: Below freezing at times in the wind
• Nights: Properly icy, especially inland
More updates will be posted this evening once new model runs come in.
🧊 Why Forecasting Snow in Cornwall Is So Tricky…
Snow here is never straightforward, and here’s why:
Cornwall sticks out into the Atlantic like a big granite mitten and the sea around us is relatively warm. That warmth often turns falling snow into sleet before it reaches the surface.
To get snow in Cornwall, we need three things to line up perfectly:
1️⃣ Cold Arctic air overhead
2️⃣ Cold surface temperatures (often overnight)
3️⃣ Showers arriving with enough intensity to overcome the coastal warming
If any one of those ingredients goes missing p**f no snow.
If they all come together that’s when we get those magical mornings where Cornwall looks like Narnia for a few hours before melting by lunchtime.
That’s why two towns only 5 miles apart can get totally different results.
Coastal? Probably slush.
Inland? Maybe snow.
High ground? Often the jackpot.
We’ll continue to monitor the setups closely and yes, the S-word is absolutely still on the table. Stay tuned for updates!
Kind regards,
KWT Dave ⛄
