Key Takeaways
- The South African Weather Service (SAWS) issued an Orange Level 6 warning for severe thunderstorms, flooding, strong winds and hail across the northern and eastern Free State.
- A Yellow Level 2 warning was also issued for parts of Gauteng, Mpumalanga, North West and the Northern Cape, highlighting risks of localized structural damage, falling trees and lightning‑related fires.
- In SAWS’ colour‑coded system, yellow signals moderate risk requiring caution, while orange denotes a higher‑risk situation demanding increased preparedness; the numeric levels (2 and 6) indicate a high likelihood of impact.
- Weather is expected to improve from Tuesday afternoon, with isolated showers persisting over the eastern RSA and partly cloudy, cool‑to‑warm conditions developing mid‑week.
- Provincial forecasts show a mix of cloudy, cool to cold conditions with scattered thundershowers in Gauteng, Mpumalanga, Limpopo, North West, Free State, Northern Cape, Western Cape, Eastern Cape and KwaZulu‑Natal, with temperature ranges varying from near‑freezing in the interior to warm along the coasts.
Overview of the SAWS Weather Warnings
The South African Weather Service (SAWS) released two impact‑based warnings for the period covering 6 – 9 September 2026. An Orange Level 6 warning targets severe thunderstorms that could bring flooding, damaging winds and hail, primarily affecting the northern and eastern halves of the Free State. Simultaneously, a Yellow Level 2 warning was issued for severe thunderstorms with a moderate risk of localized damage, falling trees and lightning‑induced fires across several interior provinces. These warnings are part of SAWS’ colour‑coded alert system designed to communicate the severity and likelihood of weather‑related hazards to the public, emergency services and municipal authorities.
Details of the Orange Level 6 Warning
The Orange Level 6 warning specifically highlights the potential for flooding of settlements and roads, strong gusty winds capable of damaging structures, and hail that could exacerbate property damage. The affected area encompasses the northern and eastern half of the Free State, where residents may experience travel disruptions, municipal service outages and heightened risks to personal safety. Because the warning is at the orange level, SAWS advises heightened attention, preparation for possible evacuation or shelter‑in‑place measures, and close monitoring of updates from local disaster management centres.
Details of the Yellow Level 2 Warning
The Yellow Level 2 warning covers a broader geographic swathe, including southern Gauteng, the Highveld of Mpumalanga, southern and central parts of North West, the northern vast areas of the Free State, and the extreme north‑eastern sections of the Northern Cape. Expected impacts are localized damage to buildings, falling trees that could obstruct roads or power lines, and fire incidents sparked by excessive lightning activity. While the risk is moderate, SAWS urges residents to secure loose objects, avoid unnecessary travel during peak storm periods, and remain vigilant for sudden changes in weather conditions that could escalate the threat.
Explanation of SAWS’ Colour‑Coded System and Numeric Levels
SAWS employs a colour‑coded warning system where yellow indicates a moderate risk that calls for caution and awareness, whereas orange signals a higher‑risk scenario requiring increased attention and preparation. The accompanying numeric levels quantify the likelihood of the forecasted impacts occurring: Levels 2 and 6 represent a high probability, Level 5 denotes a medium probability, and Levels 4 and 8 suggest a low probability. This dual‑tier approach allows the public to quickly grasp both the severity (colour) and the confidence (number) of the warning, facilitating appropriate decision‑making at individual, community and institutional levels.
Weather Outlook for 8 – 9 September 2026
According to SAWS, weather conditions are expected to improve from Tuesday afternoon onward. Isolated showers and thundershowers may still occur over the eastern parts of the Republic of South Africa, but the overall trend will shift toward partly cloudy skies and temperatures ranging from cool to warm. By Wednesday, the atmosphere should stabilize further, reducing the likelihood of severe thunderstorms and allowing normal outdoor activities to resume, although residents are advised to keep an eye on any lingering moisture that could trigger isolated showers.
Provincial Weather Summary – Gauteng, Mpumalanga, Limpopo
Gauteng is forecast to be cloudy and cold with scattered showers and thundershowers; temperature highs will range from 13 °C in Pretoria to 16 °C in Johannesburg, with Vereeniging experiencing 11 °C–14 °C. Mpumalanga will see morning fog patches along the escarpment, otherwise cloudy and cool to cold with scattered showers and thundershowers; Mbombela expects 13 °C–16 °C, Ermelo 9 °C–13 °C, Emalahleni 11 °C–16 °C, Standerton 10 °C–14 °C and Skukuza 15 °C–19 °C. Limpopo will have morning fog along the escarpment, otherwise cloudy and cool to cold with isolated showers and thundershowers, but scattered showers in the south and central areas; Polokwane 12 °C–18 °C, Phalaborwa 16 °C–18 °C, Tzaneen 12 °C–16 °C, Musina 16 °C–24 °C and Lephalale 16 °C–22 °C.
Provincial Weather Summary – North West, Free State, Northern Cape, Western Cape
North West will be cloudy, windy and cool with isolated to scattered showers and thundershowers, though widespread showers are expected in the extreme southeast; Klerksdorp 12 °C–21 °C, Potchefstroom 12 °C–19 °C, Mahikeng 14 °C–20 °C, Rustenburg 13 °C–19 °C and Vryburg 12 °C–21 °C. The Free State will remain cloudy, windy and cool to cold with isolated to scattered showers and thundershowers, but widespread showers in the north‑western parts; Bloemfontein 10 °C–19 °C, Welkom 12 °C–19 °C and Bethlehem 9 °C–13 °C. In the Northern Cape, the west will be fine with morning coastal fog; the east will be partly cloudy to cloudy and cool to warm with isolated showers and thundershowers and windy conditions; Upington 12 °C–27 °C, Kimberley 11 °C–22 °C, De Aar 11 °C–22 °C, Alexander Bay 12 °C–19 °C, Springbok 12 °C–27 °C, Calvinia 11 °C–28 °C and Sutherland 8 °C–24 °C. The Western Cape will be partly cloudy over the interior at first, then fine to warm; coastal winds will be light to moderate north‑easterly, becoming light and variable later; Cape Town 15 °C–29 °C, Vredendal 15 °C–35 °C, Riversdale 11 °C–29 °C, George 11 °C–27 °C, Worcester 11 °C–30 °C, Beaufort West 11 °C–26 °C and Oudtshoorn 12 °C–27 °C.
Provincial Weather Summary – Eastern Cape and KwaZulu‑Natal
The western half of the Eastern Cape will be partly cloudy and cool, with a few warm interior spots; easterly coastal winds will be moderate. The eastern half will be cloudy and cool, with morning rain and chances of showers and rain over the escarpment in the afternoon; north‑easterly coastal winds will be moderate to fresh. Temperature ranges include Gqeberha 15 °C–23 °C, Makhanda 12 °C–24 °C, Nxuba (Adelaide) 10 °C–23 °C, Robert Sobukwe Town (Graaf‑Reinet) 9 °C–23 °C, Ku Gompo City (East London) 16 °C–21 °C, Port St Johns 12 °C–20 °C, Mthatha 10 °C–20 °C, Komani 9 °C–21 °C and Qonce 12 °C–23 °C. KwaZulu‑Natal will be cloudy and cool to cold with scattered showers and thundershowers, isolated in the southeast; coastal winds will be light to moderate south‑easterly north of Durban, otherwise light to moderate north‑easterly, becoming fresh in the afternoon. Expected temperatures are Durban 16 °C–20 °C, Richard’s Bay 16 °C–20 °C, Pietermaritzburg 10 °C–18 °C and Ladysmith 11 °C–15 °C.
Closing Note
This weather report was compiled with the assistance of Toqan AI, which helped synthesize the official SAWS warnings and provincial forecasts into a clear, readable format. Residents are encouraged to heed the issued warnings, secure property, avoid unnecessary travel during peak storm periods, and follow updates from local authorities and the SAWS Twitter feed (@SAWeatherServic) for real‑time information. Staying informed and prepared remains the best strategy to mitigate the impacts of the anticipated severe thunderstorms and associated hazards.