Meteorologists at the Ukrainian Hydrometeorological Center, cited by Proslav, say an atmospheric front will bring a deterioration in conditions across Kyiv region on Tuesday, 18 August. Forecasters expect variable cloudiness with daytime short rain showers, local thunderstorms, and hail. The prevailing wind will be southerly at 7–12 m/s with possible squall gusts reaching 15–20 m/s.

Night temperatures across the region are forecast at about +15–+20°C, rising to +28–+33°C by day; in Kyiv itself the night will be around +18–+20°C with daytime highs near +28–+30°C. Meteorologists warn that strong gusts and storms may complicate road traffic and disrupt municipal, energy and construction operations.

Proslav’s report repeats practical advice from the forecast: secure or store light objects outdoors, reinforce greenhouse and tall crops, harvest vulnerable produce in the morning, limit watering in the first half of the day, shelter domestic animals, and disconnect sensitive electrical appliances during thunderstorms.