Tunisia is forecast to experience summer-like conditions nationwide on Wednesday, June 17th, 2026, with partly cloudy skies expected across most regions. The National Institute of Meteorology (INM) predicts sustained heat will prevail, alongside sandstorms in southern areas. Localized thunderstorms are anticipated to develop in inland regions during the afternoon. While the day begins calmly, conditions are expected to shift with the potential for localized, intense weather events. Residents are advised to prepare for these changing conditions. The forecast suggests a typical summer weather pattern for this time of year, but with specific regional variations.