According to the Administrația Națională de Meteorologie (ANM), a multi-day weather warning for atmospheric instability, moderate rainfall, and high temperatures takes effect across Romania starting Monday, August 24, at 13:00, and runs through Thursday, August 27, at 10:00.
Atmospheric Instability and Storm Timeline Across Regions
Weather instability will bring moderate downpours, lightning, short-term wind intensifications, and isolated squalls with gusts generally reaching 50 to 55 km/h, alongside small-to-medium hail measuring 1 to 3 cm, according to ANM forecasts. Rainfall will maintain a torrential character, yielding 15 to 20 l/sqm within short intervals of one to three hours, while localized accumulations will surpass 35 to 40 l/sqm.
The stormy periods begin Monday in the Southern and Curvature Carpathians, spreading by evening and early night toward southeastern Oltenia, most of Muntenia, and southern Moldova, as reported by ANM. On Tuesday, August 25, instability hits mountainous zones, the southwest, and the center, before reaching the rest of the country by evening and night. By Wednesday, August 26, the central, southern, and eastern regions will experience the primary weather disruptions.
Yellow Codes for Heatwaves and Thermal Discomfort
High temperatures and heavy heat will affect most regions, turning into a heatwave locally on Monday and Tuesday in southern and southwestern areas. In these zones, the temperature-humidity index (ITU) will reach the critical threshold of 80 units, according to meteorological data.
ANM issued a yellow code warning for high temperatures, extreme heat, and severe thermal discomfort effective Monday, August 24, until 22:00. The affected counties include Caraș-Severin, Mehedinți, Dolj, Olt, Teleorman, Giurgiu, Ilfov, and the municipality of Bucharest, where maximum temperatures will hit 35 to 36 degrees.
A second yellow code for heatwaves takes effect Tuesday, August 25, from 10:00 until 22:00. Maximum temperatures will climb to between 35 and 37 degrees in Timiș, Caraș-Severin, Mehedinți, Dolj, Olt, Teleorman, Giurgiu, Ilfov, and Bucharest, with the ITU index hitting the critical 80-unit mark locally.
Weather Forecast and Warnings for Bucharest
In the capital, Monday brings hot weather turning into a heatwave by the afternoon, accompanied by high thermal discomfort and an ITU index touching 80 units, with maximums reaching 34 to 35 degrees. Skies will be variable with clouds building up by evening and early night, bringing showers, lightning, and wind gusts of 45 to 50 km/h, while minimum temperatures drop to 17 to 18 degrees, based on ANM bulletins. Bucharest remains under a yellow code for high temperatures until Monday at 22:00.
Tuesday keeps conditions hot and sultry in Bucharest, with maximums at 34 to 35 degrees, minimums at 19 to 20 degrees, and an ITU index hitting 80 units. Accentuated cloud cover at night will bring showers, lightning, and wind speeds of 40 to 45 km/h. A yellow code for heatwaves covers the city Tuesday from 10:00 to 22:00.
Wednesday brings a cool-down to Bucharest as maximum temperatures drop to around 29 degrees and minimums settle at 16 to 17 degrees. Skies will stay temporarily cloudy with showers and lightning expected mostly in the first part of the interval, accompanied by winds gusting to 40 to 45 km/h. Throughout the entire period from Monday at 10:00 through Thursday at 10:00, Bucharest stays under a general ANM advisory for atmospheric instability and warm weather.
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Frequently Asked Questions
When does the ANM weather warning expire?
The general meteorological advisory for instability and warm weather expires on Thursday, August 27, at 10:00.
Which regions are under the Tuesday heatwave yellow code?
According to ANM, the counties under the Tuesday yellow code are Timiș, Caraș-Severin, Mehedinți, Dolj, Olt, Teleorman, Giurgiu, Ilfov, and the municipality of Bucharest.
What temperatures are expected in Bucharest mid-week?
In Bucharest, maximum temperatures will drop to around 29 degrees on Wednesday, August 26, down from 34 to 35 degrees earlier in the week.
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