Adelaide Sizzles: Scorching Temperatures and Potential Evening Storms Expected

A Hot Start to the Working Week

Adelaide is set to endure a blistering day this Monday, 16 February 2026, as a mid-summer heatwave continues to grip the metropolitan area. Residents are advised to prepare for soaring temperatures that will peak well above the February average. The morning will begin with clear skies and a rapid rise in mercury, with early temperatures already sitting at a warm 26°C by the time commuters head into the CBD.

Midday Peak and Afternoon Conditions

By midday, the heat is expected to intensify significantly. The forecast predicts a maximum temperature of 37°C (98°F), though localized areas and paved surfaces may feel even hotter. Humidity levels are expected to remain relatively low during the peak heat hours, hovering around 28% to 33%, which will result in a dry, stinging heat rather than the tropical mugginess seen in northern states. However, this dry air combined with high temperatures significantly increases the UV index to extreme levels, making sun protection essential for anyone outdoors between 10:00 AM and 5:00 PM.

Afternoon Clouds and Evening Outlook

As the afternoon progresses, the clear blue skies may give way to increasing cloud cover. Meteorologists are monitoring a potential atmospheric shift that could bring isolated thunderstorms to the Adelaide Hills and the southern suburbs late in the day. While much of the city will remain dry, there is a 25% to 30% chance of brief but intense showers. Some forecasts indicate that by late evening, the dry heat may be interrupted by light precipitation as a weak front moves across the Gulf St Vincent.

Wind and Night-time Temperatures

Winds throughout the day are expected to be light to moderate, though gusty conditions may develop in the vicinity of any passing thunderstorms. Overnight, the relief from the heat will be minimal. The minimum temperature is projected to drop only to 24°C (75°F) or 26°C in some areas, leading to a stifling night for those without air conditioning. Looking ahead, this heat is a precursor to a more significant change expected on Tuesday, which may bring more widespread rain and a cooler change to the region.

Quick Weather Summary for 16 February 2026:

• Maximum Temperature: 37°C
• Minimum Temperature: 24°C - 26°C
• Morning: Sunny and clear.
• Afternoon: Very hot with broken clouds.
• Evening: Potential for isolated thunderstorms or light rain.
• Humidity: Approx. 28%.
• Rain Warning: No major flood warnings, but watch for lightning if storms develop.