Weather Ham-Sud - 30km 2026
Forecasts for a 600 UTMB Index runner, at their estimated passage time. Start Sun, 11/01 08:30 AM: Hazy sky, 34°F. Coldest: 27°F feels-like at Ravito Button (Sun, 11/01 09:04 AM); warmest: 48°F at Arrivée (Sun, 11/01 12:25 PM). No notable rain forecast on the course. Gusts up to 27 mph at Ravito Button.
Hour by hour, from the start to the estimated finish
Local race times (America/Toronto). This race does not publish its cut-off: the finish is estimated for a slow runner, so the last columns are indicative.
Weather for other Trail du Mont Ham races
Section-by-section forecasts for Ham-Sud - 30km 2026, calculated at the estimated passing time: feels-like temperature, rain or snow, wind and thunderstorms. Three models — AROME (Météo-France), ICON (DWD) and ECMWF IFS — served from the finest to the farthest-reaching.
The weather for the entire race, by 4-hour slots, at the start and at each aid station — to know when rain arrives and which pass gets windy, whatever your pace.
Forecast, not guaranteed: in the mountains a model describes a grid of several hundred meters, not the slope you're on.
Weather data: Météo-France (AROME), DWD (ICON), ECMWF (IFS) — CC BY 4.0, via Open-Meteo
