50°4'N / 14°43'E / Altitude 249 m / 17:52 04/08/2026, Europe/Prague (UTC+2)
depuis : 04/08/2026, 16:10
à: 05/08/2026, 23:59
Extreme heat stress expected. High risk of overheating and dehydration. Heavy load on the healthcare system and social services (especially care for the elderly and chronically ill). Significant decline in worker performance with a marked increase in the risk of occupational accidents or illness, particularly for outdoor jobs or work in stuffy enclosed environments.
Brandýs nad Labem-Stará Boleslav
Avoid exposure to the sun or overheated urban areas, strictly maintain hydration with increased intake of non-alcoholic beverages (including mineral replenishment), avoid higher physical/mental loads, ventilate only during cooler parts of the day (usually early morning). In case of health problems, seek medical help without delay. Do not leave children or animals in parked vehicles. Set air conditioning in rooms or vehicles so that the body is not exposed to excessive thermal shock when moving in or out; the difference between indoor and outdoor temperatures should not exceed 5 to 8 °C.
CHMI, Martin Tomáš
04/08/2026, 16:12depuis : 04/08/2026, 16:48
à: 05/08/2026, 23:59
Extreme heat stress expected. High risk of overheating and dehydration. Heavy load on the healthcare system and social services (especially care for the elderly and chronically ill). Significant decline in worker performance with a marked increase in the risk of occupational accidents or illness, particularly for outdoor jobs or work in stuffy enclosed environments.
Brandýs nad Labem-Stará BoleslavAvoid exposure to the sun or overheated urban areas, strictly maintain hydration with increased intake of non-alcoholic beverages (including mineral replenishment), avoid higher physical/mental loads, ventilate only during cooler parts of the day (usually early morning). In case of health problems, seek medical help without delay. Do not leave children or animals in parked vehicles. Set air conditioning in rooms or vehicles so that the body is not exposed to excessive thermal shock when moving in or out; the difference between indoor and outdoor temperatures should not exceed 5 to 8 °C.CHMI, Martin Tomáš04/08/2026, 17:07
depuis : 04/08/2026, 16:10
à: 04/08/2026, 19:59
Risk of severe thunderstorms. Local property damage and complications, especially in the energy industry, transport, and agriculture. Significant wind damage to trees, parks, buildings, property, energy infrastructure etc. Power outages. Travel delays and disruptions. Local flooding. Driving conditions difficult due to wind gusts, reduced visibility, fallen trees/branches, high risk of hydroplaning. Extensive damage to vegetation, buildings, and property from large hail. Risk of fire caused by lightning strike. Risk of serious injury from flying or falling objects, large hail, and lightning strikes.
Brandýs nad Labem-Stará BoleslavBeware of lightning strikes, hail, and falling or windblown objects. Seek shelter in a building with lightning protection. Outdoors, take cover in dense forest or low vegetation; avoid water, hilltops, metal structures, isolated trees, and rock overhangs. Avoid stream courses in the mountains, as water and debris flows may occur there suddenly. Secure windows, doors, greenhouses, and loose objects. Be prepared for possible power outages. When driving, reduce speed, do not enter or drive into flowing water or flooded areas. Stay informed of the driving conditions. Observe weather warnings, weather radar (www.chmi.cz or mobile apps) and flash flood risk https://produkty.chmi.cz/ffi.CHMI, Martin Tomáš04/08/2026, 16:12depuis : 04/08/2026, 16:10
à: 04/08/2026, 23:59
Maximum air temperatures above 37 °C. Complications, especially in transport, livestock production, energy industry, and services. Likely impact on rail transport: rail deformation and fracture. Possible impact on road transport: stranded vehicles, deformation of road surfaces, particularly those exposed to sunlight. Traffic restrictions on some routes, closures, delays. Problems with cooling enclosed halls (livestock production, industry, logistics, etc.). Possible power outages. Essential services partial disruptions.
Brandýs nad Labem-Stará BoleslavCheck the functionality of support systems (especially cooling and ventilation) and backup power sources. Carefully consider travel plans, monitor the traffic situation. Be prepared for possible power outages.CHMI, Martin Tomáš04/08/2026, 16:12depuis : 04/08/2026, 16:48
à: 04/08/2026, 18:29
Risk of severe thunderstorms. Local property damage and complications, especially in the energy industry, transport, and agriculture. Potential for dangerous flooding, flash floods. Increased runoff from slopes, rapid flooding of low-lying areas, dry gullies, small streams, undercutting of roads. Significant wind damage to trees, parks, buildings, property, energy infrastructure etc. Power outages. Travel delays and disruptions. Driving conditions difficult due to wind gusts, reduced visibility, fallen trees/branches, high risk of hydroplaning. Extensive damage to vegetation, buildings, and property from large hail. Risk of fire caused by lightning strike. Risk of serious injury from flying or falling objects, large hail, and lightning strikes.
Brandýs nad Labem-Stará BoleslavBeware of lightning strikes, hail, and falling or windblown objects. Seek shelter in a building with lightning protection. Outdoors, take cover in dense forest or low vegetation; avoid water, hilltops, metal structures, isolated trees, and rock overhangs. Avoid stream courses in the mountains, as water and debris flows may occur there suddenly. Secure windows, doors, greenhouses, and loose objects. Be prepared for possible power outages. When driving, reduce speed, do not enter or drive into flowing water or flooded areas. Stay informed of the driving conditions. Observe weather warnings, weather radar (www.chmi.cz or mobile apps) and flash flood risk https://produkty.chmi.cz/ffi.CHMI, Miloš Dvořák04/08/2026, 17:07depuis : 04/08/2026, 16:48
à: 04/08/2026, 23:59
Maximum air temperatures above 37 °C. Complications, especially in transport, livestock production, energy industry, and services. Likely impact on rail transport: rail deformation and fracture. Possible impact on road transport: stranded vehicles, deformation of road surfaces, particularly those exposed to sunlight. Traffic restrictions on some routes, closures, delays. Problems with cooling enclosed halls (livestock production, industry, logistics, etc.). Possible power outages. Essential services partial disruptions.
Brandýs nad Labem-Stará BoleslavCheck the functionality of support systems (especially cooling and ventilation) and backup power sources. Carefully consider travel plans, monitor the traffic situation. Be prepared for possible power outages.CHMI, Martin Tomáš04/08/2026, 17:07depuis : 04/08/2026, 18:30
à: 04/08/2026, 19:59
Risk of severe thunderstorms. Local property damage and complications, especially in the energy industry, transport, and agriculture. Significant wind damage to trees, parks, buildings, property, energy infrastructure etc. Power outages. Travel delays and disruptions. Local flooding. Driving conditions difficult due to wind gusts, reduced visibility, fallen trees/branches, high risk of hydroplaning. Extensive damage to vegetation, buildings, and property from large hail. Risk of fire caused by lightning strike. Risk of serious injury from flying or falling objects, large hail, and lightning strikes.
Brandýs nad Labem-Stará BoleslavBeware of lightning strikes, hail, and falling or windblown objects. Seek shelter in a building with lightning protection. Outdoors, take cover in dense forest or low vegetation; avoid water, hilltops, metal structures, isolated trees, and rock overhangs. Avoid stream courses in the mountains, as water and debris flows may occur there suddenly. Secure windows, doors, greenhouses, and loose objects. Be prepared for possible power outages. When driving, reduce speed, do not enter or drive into flowing water or flooded areas. Stay informed of the driving conditions. Observe weather warnings, weather radar (www.chmi.cz or mobile apps) and flash flood risk https://produkty.chmi.cz/ffi.CHMI, Miloš Dvořák04/08/2026, 17:07
depuis : 04/08/2026, 16:10
à: 06/08/2026, 23:00
Risk of fires due to prolonged drought. Possible occurrence of severe fire with subsequent damage. Possible damage to ecosystems, property, forestry, agriculture, etc. Risk of human injury. Deterioration of air quality causing respiratory problems and other health issues.
Brandýs nad Labem-Stará BoleslavDo not light fires outdoors, do not burn grass, do not smoke or discard cigarette butts on the ground. Do not use portable stoves or other open flame sources. Follow local bans issued due to drought and fire risk. Stay alert when using agricultural machinery and near railway tracks where sparks from wheels and brakes can ignite vegetation.CHMI, Tomáš Mejstřík04/08/2026, 16:12depuis : 05/08/2026, 00:00
à: 05/08/2026, 23:59
Maximum air temperatures above 32 °C. Possible complications, especially in transport, livestock production, and the energy industry. Possible deformation of rails in rail transport, damage to poor quality roads, particularly those exposed to sunlight. The need for intensive cooling of enclosed halls (livestock production, industry, logistics, etc.). Higher load on energy infrastructure.
Brandýs nad Labem-Stará BoleslavCheck the functionality of the cooling systems and backup power systems. When travelling, monitor the traffic situation.CHMI, Martin Tomáš04/08/2026, 17:07